Troubleshooting and fault elimination
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16
MA DrivePLC DE/EN/FR 1.0
Fault response of the Drive PLC Abb. 1-24
Malfunction Cause Remedy
Communication error
Drive PLC has no supply voltage Switch on supply voltage
Log-in not possible
No connection between PC and Drive PLC Check system bus wiring
Instructions for PC system-bus module 2173IB
9
PC system-bus module 2173IB has no supply
voltage
(LED is OFF on the PC system-bus module)
Plug in the supply voltage adapter for the DIN/PS2
keyboard connection
Instructions for PC system-bus module 2173IB
No termination resistor (120 Ω) in the system bus
5
PC system-bus module 2173IB was not initialized Follow the switch-on sequence:
1. Plug the PC system-bus module 21731B into
LPT1 or LPTx
2. Switch on the PC
Communication parameter is faulty Set the communication parameter correctly
DDS “First steps”, Chap. 4.4.2
PC does not respond
The system-bus module was disconnected from
the parallel port (LPT) of the PC during operation
Restart the PC
A print job was sent to the interface/port used by
the system-bus module
Restart the PC, and use the other parallel port
(LPT) for printing
No control signal on the digital
outputs (X2)
Missing connection between X1/+24 and X1/O24 Set up the connection
8
No read-in of signals on the digital
inputs (X3)
HIGH level of input signals is too low (<13 V) HIGH level of input signals must be between 13 V
… and 30 V
8
Fault indications
Display Error Cause Remedy
keypad PC
1)
OF
a
0
No fault - -
EE
a
71
System error
Strong interference on control
cables
Shield control cables
Ground or earth loops in the wiring
EF
a
61
Communication error to AIF Faulty transmission of control
commands via AIF
Insert the communication module
into the hand terminal
EF
a
62
Communication error to
CAN-IN1 with sync control
CAN-IN1-object receives faulty data
or communication is interrupted
l
Plug-in connection - bus module
Ø
Check FIF
l
Check transmitter
l
Increase monitoring time under
C0357/1 if necessary
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