Parker Hannifin Webcam vm24 User Manual

VM24 Series  
User Guide  
External Input/Output Interface Module  
for 6000 Series Controllers  
Compumotor Division  
Parker Hannifin Corporation  
July 1997  
p/n 88-015965-01A  
 
C O N T E N T S  
Chapter 1. Installation  
What You Should Have (ship kit)...................................................2  
Overview — VM24 .....................................................................3  
Specification Summary...............................................................4  
VM24 Assembly Configuration......................................................7  
I/O Pin Out Table.......................................................................8  
Electrical Connections................................................................9  
Jumper Configuration ...............................................................11  
Ribbon Cable Connection ..........................................................12  
Input Connection.....................................................................15  
Output Connection...................................................................16  
VM24 Module Configuration Summary..........................................17  
Chapter 2. Troubleshooting  
Troubleshooting Basics ............................................................20  
SIM Board Installation and Removal ............................................23  
 
 
C H A P T E R O N E  
Installation  
1
 
What You Should Have (ship kit)  
Part Name  
One of the following line items:  
VM24S single axis I/O module...................................... VM24S  
Part Number  
VM24IN multi axis I/O module...................................... VM24-IN  
VM24OUT multi axis I/O module.................................. VM24-OUT  
VM8/16 multi-axis I/O module.......................................VM8/16  
VM16/8 multi-axis I/O module.......................................VM16/8  
Ship Kit:  
This user guide (VM24 User Guide).............................88-015965-01A  
One of the following cables:  
Standard 50-pin ribbon cable.......................71-013016-01  
(For VM-24S, VM24-IN,  
and VM24-OUT)  
Split 50-pin ribbon cable............................... 71-013016-01  
(For VM8/16 and VM16/8)  
If an item is missing, call the factory (see phone numbers on inside front cover.)  
Options/Accessories  
Part Number  
Module base with Standard cable and User Guide........................VM24-Base1  
Module base with Split cable and User Guide................................ VM24-Base2  
Output SIM card (8 outputs)............................................................ SIM8-OUT  
Input SIM card (8 inputs)................................................................. SIM8-IN  
Input/Output SIM card (4 inputs, 4 outputs).....................................SIM8-4X4  
2
VM24 I/O Module  
 
Overview — VM24  
The VM24 external I/O modules act as an interface for the general-purpose  
programmable inputs and outputs of all the 6000 Series servo and  
microstepping products. The VM24 module consists of a base board and one  
to three SIM (single in-line module) style boards that can be inserted to  
provide the user with a scaleable solution for their input and output needs.  
• The outputs are enhanced by an undervoltage lockout circuit and a  
thermal shutdown protection circuit. These outputs operate over 5VDC  
to 24VDC, will sink 50 mA to 0.4VDC or 300mA to 2.5VDC, and  
will source 50 mA to a voltage level of V – 2VDC (user-supplied  
o
voltage level V minus 2 volts, e.g. for V =24V, output is 22V) or  
o
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300 mA to a voltage level of V – 2.5VDC (user-supplied voltage  
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level V minus 2.5 volts, e.g. for V =24V, output is 21.5V).  
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• The inputs are enhanced by decompression, hysteresis, high-frequency  
filtering, and overvoltage clamping. These inputs, capable of operating  
in sinking or sourcing mode, have a range from 5VDC to 24VDC. The  
switching level for inputs is based on the user-supplied voltage V , such  
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that OFF 1/3 (V ) and ON 2/3 (V ), with hysteresis of 1/3(V ).  
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(For example, with V of 24VDC, OFF 8VDC and ON 16VDC,  
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with 8VDC of hysteresis.) Jumpers are used to configure the inputs as  
sinking or sourcing. Each of the three SIM sockets has its own  
corresponding jumper, allowing each input SIM to be independently  
configured.  
The VM24 module accepts a 50-pin ribbon cable from the 6000 Series  
product and provides screw terminal connections for easier interface with the  
user's application. The 24 I/O signals to/from the 50-pin DIN connector and  
the 50-pin screw terminal are interrupted by three SIM sockets (each SIM  
interrupts an 8-bit group of signals).  
Optical isolation is inherited from the 6000 product, except for OEM  
products. (I/O ground is isolated from microprocessor ground, but inputs and  
outputs are not isolated from each other.)  
Installing the VM24  
3
 
Specification Summary  
Parameter  
Specification  
Power Requirements  
V
........................User-supplied voltage that drives output circuitry.  
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V does not affect input circuitry, so it is not  
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necessary for the VM24-IN.  
V
Range................5-24VDC  
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V Current..............144mA, plus the sum of the load currents outputs  
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that are in sourcing mode.  
V ..........................User-supplied voltage that drives input circuitry &  
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determines switching levels for inputs. Does not  
affect output circuitry, so it is not necessary for  
the VM24-OUT.  
V Range ................5-24VDC  
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V
Current...............1.5mA per volt of V  
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(e.g., 15mA for V =10V)  
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+5V .......................Supplied by the 6000 Series Controller/Indexer  
through the 50-pin ribbon cable to connector J4.  
The VM24 draws 0.25mA per active output and  
0.5mA per active input. Also provides the  
+5V output power available through the  
VM24 screw terminal block J5.  
Inputs  
Switching levels.......LOW 1/3 (V )  
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HIGH 2/3 (V )  
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Voltage Range..........0-24V. Voltage of input signals should not  
exceed voltage level of V . (Input circuitry of  
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VM24 has diodes to protect against voltages that  
exceed V , but performance may degrade.)  
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Sinking Current:.......Connect jumper for desired socket to position 3  
(default)  
Sourcing Current: .....Connect jumper for desired socket to position 1  
VM24 I/O Module  
4
 
Impedance................6 k, minimum. Requires input current  
(sourcing or sinking) of 0.111mA per volt of  
user-supplied voltage Vi. (e.g., 1.11mA for  
V =10V).  
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Status:....................Check with the TIN or INFNC command.  
Active Level: ...........Set by 6000 Series Controller/Indexer. Default is  
active low, but can be changed to active high with  
the INLVL command.  
Input frequency.........50 kHz (the maximum frequency is limited  
practically to 500 Hz by the 2 ms update rate of  
the 6000 Series.  
Outputs  
Voltage...................Sourcing Current  
Output voltage level is 2 volts less than the user-  
supplied voltage V when sourcing up to 50mA.  
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(V – 2 VDC for 50 mA  
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e.g. for V =24V, output is at 22V)  
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Output voltage level is 2.5 volts less than the  
user-supplied voltage V when sourcing up to  
o
50mA.  
(V – 2.5VDC for 300 mA  
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e.g. for V =24V, output is at 21.5V)  
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Sinking Current  
Output voltage level is less than or equal to  
0.4VDC when sinking up to 50mA.  
(0.4 VDC for 50 mA)  
Output voltage level is less than or equal to  
2.5VDC when sinking up to 300mA.  
(2.5 VDC for 300 mA)  
Current ...................300mA maximum per output, continuous duty at  
50°C ambient temperature  
Status:....................Check with the TOUT or OUTFNC command.  
Active Level: ...........Default is active low, but can be changed to active  
high with the OUTLVL command.  
Rise Time ...............Load dependent; typically 40ns per 1000 pF  
Fall Time................Load dependent; typically 40ns per 1000 pF  
Installing the VM24  
5
 
Undervoltage  
Protection.........The under-voltage lockout circuit is meant to  
prevent the output driver from sinking or sourcing  
unless the user-supplied voltage V is between  
o
5VDC and 24VDC.  
Thermal Shutdown....The thermal shutdown protection is intended to  
protect the device from marginal environmental  
factors. It must not be considered short circuit  
protection. The thermal resistance between the  
FET junction and the thermal protection circuit  
on the SIM cards is great enough that the rapid  
rise in junction temperature caused by a short  
circuit will not transfer fast enough to protect the  
device from damage.  
+5V Output.............Supplied by the 6000 Series Controller/Indexer  
through the 50-pin ribbon cable to connector J4.  
Accessed on the VM24 through the screw  
terminals (J5). Refer to the User/Installation  
Guide for the 6000 Series Controller/Indexer  
being used for the load limit of its +5V Output.  
Subtract any loads being drawn from the +5V  
Output at the 6000 Series unit level. The VM24  
draws 0.25mA per active output and 0.5mA per  
active input from the +5V supply. Use this  
information to calculate the load limit available  
for the +5V Output on the screw terminal of the  
VM24.  
NOTE: Outputs are not short-circuit protected.  
Environmental  
Operating Temp........32 to 122°F (0 to 50°C)  
Storage Temp...........-22 to 185°F (-30 to 85°C)  
Humidity.................0 to 95% non condensing  
Dimensions  
SIM board ...............1.1 inches x 4.25 inches (28 mm x 108 mm)  
VM24 module..........2.84 inches x 5.215 inches (72 mm x 132 mm)  
6
VM24 I/O Module  
 
VM24 Assembly Configurations  
The VM24 is available in five different configurations, as shown in the  
following table. Each configuration uses the same base unit. The  
combination of SIM boards installed in the base unit determine the I/O  
configuration.  
Description  
P/N  
I/O Boards  
Cable Type  
Single Axis  
(16 IN / 8 OUT)  
VM24S  
2 SIM8-4X4  
1 SIM8-IN  
Regular  
24 IN  
VM24IN  
VM24OUT  
VM16/8  
3 SIM8-IN  
Regular  
Regular  
Split  
24 OUT  
16 IN/8 OUT  
3 SIM8-OUT  
1 SIM8-OUT  
2 SIM8-IN  
8 IN / 16 OUT  
VN8/16  
1 SIM8-IN  
2 SIM8-OUT  
Split  
The VM24 uses Single Inline Module (SIM) style boards and sockets. The  
board types are color-coded for easy identification.  
Board Type  
SIM8-IN  
Color  
Red  
SIM8-OUT  
SIM8-4X4  
Blue  
Green  
P/N: SIM8-OUT  
PARKER COMPUMOTOR  
Fig. 1: Typical I/O Board  
Installing the VM24  
7
 
I/O Pin Out Table  
Screw  
Terminal  
Number  
VM24IN  
VM24OUT  
VM24S  
VM16/8  
VM8/16  
1
2
IN #1  
OUT #1  
OUT #2  
OUT #3  
OUT #4  
OUT #5  
OUT #6  
OUT #7  
OUT #8  
OUT #9  
OUT #10  
OUT #11  
OUT #12  
OUT #13  
OUT #14  
OUT #15  
OUT #16  
OUT #17  
OUT #18  
OUT #19  
OUT #20  
OUT #21  
OUT #22  
OUT #23  
OUT #24  
IN #1  
OUT #1  
OUT #2  
OUT #3  
OUT #4  
OUT #5  
OUT #6  
OUT #7  
OUT #8  
IN #1  
IN #1  
IN #2  
IN #2  
IN #2  
3
IN #3  
IN #3  
IN #3  
4
IN #4  
IN #4  
IN #4  
5
IN #5  
OUT #1  
OUT #2  
OUT #3  
OUT #4  
IN #5  
IN #5  
6
IN #6  
IN #6  
7
IN #7  
IN #7  
8
IN #8  
IN #8  
9
IN #9  
OUT #1  
OUT #2  
OUT #3  
OUT #4  
OUT #5  
OUT #6  
OUT #7  
OUT #8  
OUT #9  
OUT #10  
OUT #11  
OUT #12  
OUT #13  
OUT #14  
OUT #15  
OUT #16  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
IN #10  
IN #11  
IN #12  
IN #13  
IN #14  
IN #15  
IN #16  
IN #17  
IN #18  
IN #19  
IN #20  
IN #21  
IN #22  
IN #23  
IN #24  
IN #6  
IN #2  
IN #7  
IN #3  
IN #8  
IN #4  
OUT #5  
OUT #6  
OUT #7  
OUT #8  
IN #9  
IN #5  
IN #6  
IN #7  
IN #8  
IN #9  
IN #10  
IN #11  
IN #12  
IN #13  
IN #14  
IN #15  
IN #16  
IN #10  
IN #11  
IN #12  
IN #13  
IN #14  
IN #15  
IN #16  
8
VM24 I/O Module  
 
Electrical Connections  
J6  
J4  
JU1  
J1  
1
JU2  
1
JU3  
1
J3  
J5  
Fig. 2: Top View of the VM24 (shown without boards inserted)  
J1 .....SIM socket for I/O board 1, screw terminals 1-8.  
J2 .....SIM socket for I/O board 2, screw terminals 9-16.  
J3 .....SIM socket for I/O board 3, screw terminals 17-24.  
J4 .....Input connector for cable from 6000 Series Controller/Indexer  
J5 .....I/O Screw Terminals  
J6 .....Power & Ground Screw Terminals  
Each configuration of the VM24 requires a specific mounting order for the  
I/O boards, as shown in the following table:  
Description  
J1  
J2  
J3  
VM24S  
(Single Axis)  
SIM8-4x4  
SIM8-4x4  
SIM8-IN  
VM24IN  
VM24OUT  
VM16/8  
SIM8-IN  
SIM8-IN  
SIM8-IN  
SIM8-OUT  
SIM8-OUT  
SIM8-IN  
SIM8-OUT  
SIM8-IN  
SIM8-OUT  
SIM8-IN  
VM8/16  
SIM8-OUT  
SIM8-OUT  
Installing the VM24  
9
 
J1  
J3  
J2  
J4  
J5  
JU1 JU2  
JU3  
Fig. 3: Left-Side View of the VM24  
(shown with boards inserted)  
JU1  
JU2  
JU3  
Jumper for SIM slot J1.  
Jumper for SIM slot J2  
Jumper for SIM slot J3  
See page 11 for the description of jumper configurations.  
J3 J2 J1  
J6  
J5  
GND  
Vo Vi  
RIGHT SIDE  
Fig. 4: Right-Side View of the VM24  
(shown with boards inserted)  
10  
VM24 I/O Module  
 
Jumper Configuration  
The jumpers are used to configure the inputs for the I/O boards as sinking or  
sourcing. Each socket has its own corresponding jumper, allowing each  
board with inputs to be independently configured for sinking or sourcing.  
Sinking Inputs:  
Sourcing Inputs:  
Position 3 (shown)  
Jumps pull-up to V (pin 3)  
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Position 1  
Jumps pull-up to Ground (pin 1)  
The default jumper position when shipped from the factory is position 3, as  
shown below. The jumper positions only affect inputs on the VM24.  
Jumper position does not affect the outputs. Jumper position is irrelevant  
for SIM8-OUT boards.  
Pin 3 = V  
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JU1  
Pin 2 = Pull Up (connection to SIM socket)  
1
Pin 1 = Ground  
JU2  
1
JU3  
1
Figure 5: VM24 Jumpers  
Installing the VM24  
11  
 
Ribbon Cable Connection  
Caution  
Remove power to the VM24 before  
attaching or removing the cable.  
The VM24 is shipped with a 2-foot ribbon cable, with mating connectors.  
Connectors are keyed to ensure that they are inserted into mating connectors  
correctly. Cable installation for the VM24S, VM24-IN, and VM24-OUT  
consists of simply inserting the connector from one end of the cable into the  
Programmable I/O connector of the 6000 Series Controller/Indexer, then  
inserting the connector at the other end of the cable into connector J4 of the  
VM24.  
Multi-axis 6000 Series Controller/Indexers have separate input and output  
connectors. Therefore, the two multi-axis configurations of the VM24  
which offer both inputs and outputs, listed below, require a split cable to  
access both of these connectors.  
• VM16/8  
• VM8/16  
The connector that is attached to the portion of the ribbon cable with the red  
stripe corresponds to the I/O boards in sockets J2 and J3 — either 16 IN or  
16 OUT. This connector should be inserted into its corresponding Input or  
Output connector on your 6000 Series Controller/Indexer. See Figures 6 and  
7. The connector that is attached to the smaller width of ribbon cable  
corresponds to the I/O board in J1 — either the SIM8-IN or SIM8-OUT.  
This connector should be inserted into its corresponding Input or Output  
connector on your 6000 Series Controller/Indexer.  
12  
VM24 I/O Module  
 
Connect to  
Input Connector  
on 6000 Controller  
Connect to  
Output Connector  
on 6000 Controller  
Red Stripe  
Connect to  
J4 Connector  
on VM16/8  
Fig. 6: Split Cable for the VM16/8  
Installing the VM24  
13  
 
Connect to  
Output Connector  
on 6000 Controller  
Connect to  
Input Connector  
on 6000 Controller  
Red Stripe  
Connect to  
J4 Connector  
on VM8/16  
Fig. 7: Split Cable for the VM8/16  
14  
VM24 I/O Module  
 
Input Connections  
Caution  
Remove power to the VM24 before  
making any connections.  
Sinking  
External Supply  
(up to 24VDC)  
+
VM24  
6000 Series  
Controller  
Electronic  
Device  
+5V  
IN-P  
JUMPER  
Vi  
3
The output should  
be able to sink at  
least 3mA of current.  
(J6)  
20.0 K  
2
Ground  
Connection  
1
(J6)  
Connection  
(J4)  
Ground  
18.2 KΩ  
Iso  
GND  
Iso  
GND  
ISO  
Ground  
10.0 KΩ  
Out 5-24 Volts  
6.81 KΩ  
(J5)  
Connection  
Input  
Input  
12.1 KΩ  
Output  
Connection  
-
+
(J4)  
Vi  
Ground (J5)  
Connection  
30.1 KΩ  
Ground  
Iso  
GND  
Iso  
GND  
Sourcing  
External Supply  
(up to 24VDC)  
+
VM24  
Electronic  
Device  
6000 Series  
Controller  
+5V  
IN-P  
JUMPER  
Vi  
3
Out 5-24 Volts  
(J6)  
20.0 K  
2
Ground  
Connection  
V
1
1
(J6)  
Connection  
(J4)  
Ground  
18.2 KΩ  
R
1
Iso  
GND  
Iso  
GND  
Iso  
GND  
10.0 KΩ  
6.81 KΩ  
(J5)  
Connection  
Input  
Input  
Connection  
Output  
12.1 KΩ  
-
+
(J4)  
Vi  
Ground (J5)  
Connection  
Ground  
30.1 KΩ  
Iso  
GND  
Iso  
GND  
Installing the VM24  
15  
 
Output Connections  
Caution  
Remove power to the VM24 before  
making any connections.  
Connect the output pull-up pin OUT-P of the 6000 Series unit to V on the  
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VM24 module to ensure the proper sequencing of output signals upon  
application of power to the VM24. The Output, Ground, and +5V  
connections between the 6000 Controller and the VM24 are made with the  
50-pin ribbon cable to the J4 connector.  
Use an external diode when driving inductive loads. Connect the diode in  
parallel to the inductive load, attaching the anode to the VM24 output and  
the cathode to the supply voltage of the inductive load.  
Sinking  
External Supply  
(up to 24VDC)  
+
VM24  
6000 Series  
Controller  
Electronic  
Device  
Vo  
OUT-P  
+5V  
(J6)  
+5V  
(J4)  
Input  
Ground  
Connection  
(J6)  
Iso  
GND  
Output  
Connection  
Output (J5)  
Connection  
(J4)  
Ground (J5)  
Connection  
Ground  
Connection  
(J4)  
Iso GND  
Iso GND  
Sourcing  
External Supply  
(up to 24VDC)  
+
VM24  
6000 Series  
Controller  
Electronic  
Device  
Vo  
OUT-P  
+5V  
(J6)  
+5V  
(J4)  
Ground  
Connection  
(J6)  
Iso  
Output  
Connection  
GND Output (J5)  
Connection  
Input  
(J4)  
Ground (J5)  
Connection  
Ground  
Connection  
Ground  
(J4)  
Iso GND  
Iso GND  
Note: Make sure the jumper between OUT-P and +5V on the 6000 Series  
unit is removed to avoid damage to the VM24  
16  
VM24 I/O Module  
 
VM24 Module Configuration Summary  
The VM24 is shipped with the SIM8 boards already installed.  
1. Mount the VM24 module (standard DIN rail).  
2. Set the jumpers to position 3 (default) for sinking inputs or to position  
1 for sourcing inputs. (See page 11).  
3. Connect the 50-pin ribbon cable to the I/O connector(s) of the 6000  
Series Controller/Indexer (see page 12). Connect the other end of the  
cable to the J4 connector of the VM24 module. Make sure that power is  
off to the 6000 Series unit before making these connections because the  
50-pin ribbon cable provides +5V to the VM24 from the I/O connector.  
4. Connect the output pull-up pin OUT-P of the 6000 Series unit to V  
(J6) of the VM24 module. This ensures the proper sequencing of  
outputs upon application of power. Make sure the jumper  
between OUT-P and +5V on the 6000 Series unit is  
removed to avoid damage to the VM24. (This step is not  
necessary for the VM24-IN.)  
o
5. Connect the desired power supply to V at connector J6. Do not apply  
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power until all connections are made. (This step is not necessary for the  
VM24-IN.)  
6. Connect the desired power supply to V at connector J6. Do not apply  
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power until all connections are made. (This step is not necessary for the  
VM24-OUT.)  
7. Make connections to the desired input and/or output signals using the  
screw terminals. (J5). See Pin-Out Table on page 8.  
8. Apply power to the VM24 module. The power-up sequence is not  
important as long as OUT-P is connected to V .  
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Installing the VM24  
17  
 
 
C H A P T E R T W O  
Troubleshooting  
2
 
Basic Troubleshooting  
When your system does not function properly (or as you expect it to  
operate), the first thing that you must do is identify and isolate the problem.  
When you have accomplished this, you can effectively begin to resolve the  
problem.  
Is the 50-pin ribbon cable connected properly to the 6000 Series  
Controller / Indexer? If it's a split cable, is the input connector of the  
cable connected to the input connector of the 6000 Series unit? Is the  
output connector of the cable connected to the output connector of the  
6000 Series unit? (See pages 12-14.)  
Is the 50-pin ribbon cable connected properly to connector J4 of the  
VM24?  
Is the OUT-P pin on the 6000 Series Controller/Indexer connected to  
V ? (Not applicable for the VM24-IN.)  
o
Is the IN-P pinon the 6000 Series Controller/Indexer connected to +5V  
(or other power supply)? (Not applicable for the VM24-OUT.)  
Are the V and V power supplies connected to the VM24? See pages  
o
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4 and 10.  
Are the voltage values and polarities correct for V and V ? (The  
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output circuitry of the SIM8-OUT and SIM8-4X4 cards are susceptible  
to damage from improperly applied power. The VM24 is not short  
circuit protected.)  
Are the jumpers set properly to select sinking or sourcing mode for the  
inputs? (Not applicable for the VM24-OUT.) See page 11.  
Are the input and output devices connected to the proper inputs or  
outputs on the screw terminal (J5). Verify with the I/O pin out table  
on page 8.  
Is the +5V Output load limit being exceeded? (Any connections to the  
+5V Output on the screw terminal [J5]? Any connection to the +5V  
Output on the 6000 Series unit? See the Specification Summary on  
page 6 for how to calculate the load limit.)  
Are the SIM8 boards installed in the proper slots? (See page 9.)  
Are the SIM8 boards seated properly in their designated slots? (See pg.  
23.)  
20  
VM24 I/O Module  
 
6000 Series Controller/Indexer  
First, verify that 6000 Series Controller/Indexer I/O is functioning properly  
to aid in isolating the problem. Disconnect the 50-pin ribbon cable, or just  
disconnect the cable from connector J4 of the VM24, before performing this  
test.  
Outputs:  
Use the Transfer Output Status (TOUT) command to check the status  
of the outputs. Use the Output State (OUT) command to change the  
outputs. Use a voltage meter to check individual outputs at the I/O  
connector of the 6000 Series unit to verify that the voltage level  
toggles between Ground and V .  
o
Inputs:  
Use the Transfer Input Status (TIN) command to check the status of  
the inputs. Use the Input Active Level (INLVL) command to define  
the active state of all programmable inputs. Alternate between  
applying supply voltage V to an input and grounding it, using the  
i
TIN command to verify that the input toggles as you do so.  
If the inputs or outputs do not appear to be functioning properly at  
the 6000 Controller level, refer to the Common Problems &  
Solutions section of the Troubleshooting chapter in the User Guide  
or Installation Guide for the 6000 Series Controller/Indexer being  
used in the application. Specific I/O problems are addressed in the  
table.  
Note:  
For additional information on 6000 Series commands,  
refer to the 6000 Series Software Reference.  
Troubleshooting  
21  
 
50-pin Ribbon Cable  
Next, verify that the ribbon cable is relaying the signals properly. Connect  
the 50-pin ribbon cable to the 6000 Series unit, but do not connect the other  
end of the cable to the VM24. Repeat the above test, applying and checking  
voltages at the connector that would plug into J4. (The red stripe on the  
ribbon cable corresponds to pin 50 on the 6000 Series Controller/Indexer I/0  
connectors.)  
As an alternative, disconnect the 50-pin ribbon cable from the 6000 Series  
unit and the VM24. Use a volt meter and a voltage source to verify the  
continuity of the 50-pin ribbon cable.  
VM24  
Caution  
Remove power to the VM24 before  
making any connections. Remember to  
turn off power to the 6000 Series unit  
before connecting the 50-pin ribbon  
cable to the VM24. (The ribbon cable  
provides +5V to the VM24 from the  
6000 Series unit I/O connector.)  
Once it has been verified that the 6000 Series unit and 50-pin ribbon cable  
are operating properly, check the VM24 to isolate the problem. Reconnect  
the 50-pin ribbon cable to the 6000 Series, and the other end to connector J4.  
Turn on power.  
Power  
Use a volt meter to check the voltage level and polarity of V Use  
o.  
a volt meter to check the voltage level and polarity of V  
i.  
Use a volt meter to verify the voltage level of the +5V output on  
the screw terminal block (J5). (The +5V is supplied by the 6000  
Series unit, and is used to power the input and output circuitry on  
the SIM8 cards.)  
22  
VM24 I/O Module  
 
Outputs  
Use the Transfer Output Status (TOUT) command to check the status  
of the outputs. Use the Output State (OUT) command to change the  
outputs. Use a voltage meter to check individual outputs at the  
screw terminals (J4) of the VM24 to verify that the voltage level  
toggles between Ground and (V -2). [The output level should be  
o
approximately 2 volts less than the user supplied voltage V .]  
o
If one output does not appear to toggle, check all other outputs. If  
none of the outputs will toggle, check V again. If some outputs  
o
will toggle, and some won't (after verifying that they toggle  
properly at the 6000 Series unit I/O connector), the corresponding  
SIM8-OUT or SIM8-4X4 board isn't seated properly or has been  
damaged. (See page 9.)  
Inputs  
Use the Transfer Input Status (TIN) command to check the status of  
the inputs. Use the Input Active Level (INLVL) command to define  
the active state of all programmable inputs. Alternate between  
applying supply voltage V to an input and grounding it, using the  
i
TIN command to verify that the input toggles.  
If one input does not appear to toggle, check all other inputs. If  
none of the inputs will toggle, check V again. If some inputs will  
i
toggle, and some won't (after verifying that they toggle properly at  
the 6000 Series unit I/O connector), the corresponding SIM8-IN or  
SIM8-4X4 board isn't seated properly or has been damaged. (See  
page 9.)  
SIM Board Insertion and Removal  
In the event that an I/O board needs to be replaced, the I/O boards must be  
inserted and removed from the VM24 in a particular order due to the limited  
clearance between the sockets. Remove all power to the VM24  
before removing or inserting an I/O board, including the +5V from  
the connection to the 6000 Series Controller/Indexer at connector J4. When  
removing I/O boards, remove the board from the J1 slot first, J2 second, and  
then J3. When inserting I/O boards, insert the board into the J3 slot first, J2  
second, and then J1.  
Troubleshooting  
23  
 
P/N: SIM8-OUT  
PARKER COMPUMOTOR  
Notch  
Fig. 9: I/O Board and Socket  
To Insert I/O Boards  
1. Insert the I/O board into the socket, as shown in Fig. 9 above, and in  
Fig. 10 below. Start the I/O board at an angle of approximately 30°.  
2. Firmly press the board into the socket and rotate it forward until it snaps  
underneath the metal clips.  
3. Make sure both clips have snapped into place to secure the I/O board.  
2
3
1
Fig. 10: I/O Board Insertion  
Caution  
Remove power to the VM24 before  
removing or inserting boards.  
24  
VM24 I/O Module  
 
To Remove I/O Boards  
1. Gently depress or push the metal socket clamps (see Fig. 11 below) to  
release the I/O board from the socket.  
2. Tilt the I/O board toward the back of the socket and lift it out gently.  
Never force the I/O board out of the socket without releasing the clamps.  
Failure to release the clamps may break the socket, causing damage  
which is not covered by warranty.  
Depress - or - Push  
Fig. 11: SIM Socket Clip - Top View  
Caution  
Remove power to the VM24 before  
removing or inserting boards.  
Troubleshooting  
25  
 
VM24 I/O Module Pin Out Table  
Screw  
Terminal  
Number  
VM24IN  
VM24OUT  
VM24S  
VM16/8  
VM8/16  
1
2
IN #1  
OUT #1  
OUT #2  
OUT #3  
OUT #4  
OUT #5  
OUT #6  
OUT #7  
OUT #8  
OUT #9  
OUT #10  
OUT #11  
OUT #12  
OUT #13  
OUT #14  
OUT #15  
OUT #16  
OUT #17  
OUT #18  
OUT #19  
OUT #20  
OUT #21  
OUT #22  
OUT #23  
OUT #24  
IN #1  
OUT #1  
OUT #2  
OUT #3  
OUT #4  
OUT #5  
OUT #6  
OUT #7  
OUT #8  
IN #1  
IN #1  
IN #2  
IN #2  
IN #2  
3
IN #3  
IN #3  
IN #3  
4
IN #4  
IN #4  
IN #4  
5
IN #5  
OUT #1  
OUT #2  
OUT #3  
OUT #4  
IN #5  
IN #5  
6
IN #6  
IN #6  
7
IN #7  
IN #7  
8
IN #8  
IN #8  
9
IN #9  
OUT #1  
OUT #2  
OUT #3  
OUT #4  
OUT #5  
OUT #6  
OUT #7  
OUT #8  
OUT #9  
OUT #10  
OUT #11  
OUT #12  
OUT #13  
OUT #14  
OUT #15  
OUT #16  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
IN #10  
IN #11  
IN #12  
IN #13  
IN #14  
IN #15  
IN #16  
IN #17  
IN #18  
IN #19  
IN #20  
IN #21  
IN #22  
IN #23  
IN #24  
IN #6  
IN #2  
IN #7  
IN #3  
IN #8  
IN #4  
OUT #5  
OUT #6  
OUT #7  
OUT #8  
IN #9  
IN #5  
IN #6  
IN #7  
IN #8  
IN #9  
IN #10  
IN #11  
IN #12  
IN #13  
IN #14  
IN #15  
IN #16  
IN #10  
IN #11  
IN #12  
IN #13  
IN #14  
IN #15  
IN #16  
 

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