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Status Indicator
Indication of System Errors
These errors are indicated by flashing codes of the white LEDs Run 1
and/or Run 2. The green LEDs and all outputs turn inactive. The system
will only restart after the supply voltage has been switched off and on
again.
Error codes*
0)
(both white LEDs are off):
Another input module indicates a system error.
1)
To 4): not used
5)
Incorrect setting of function:
- The rotary switches for channel 1 and 2 has different or
incorrect positions
- The setting of the 4 upper Dip-switches (channel 1) are not
identically to the 4 lower Dip-switches (channel 2)
6)
LED Run 1 flashes: Undervoltage
LED Run 2 flashes: Overvoltage
7), 8) Not used
9)
Connection error between the input modules
No terminating connector available.
· Control or input module defective
10), 11), 12), 13) a. 14) Internal errors
* number of short flashing impulses, followed by a longer space
Function errors are indicated by the white LED Run 1 and by the output
48. During this time, the white LED Run 2 remains on. Output 58 remains
on as long as the error is pending; it flashes regularly while waiting for the
assigned start signal.
Error codes*
1) First Emergency stop contact open
2) Second Emergency stop contact open
3) Stop contact open
4) Error start input
5) Input error (interruption or short-circuit)
6) Output error at the safety output of the control unit or at the safety
outputs of the extension modules (feedback loop interrupted, assigned
output module does not exist).
7) Error at the twin contacts of the Emergency stop button
* number of short flashing impulses, followed by a longer space
In case of error 5) and 6), the LEDs Run 1 and the outputs 48 to 58 of
the inputs modules which permit activation of the safety outputs flash
fast and regularly until the error is remedied and acknowledged by a start
signal assigned to the control unit.
Indication of Function Errors
Permanently OFF
Pulsing
Permanent ON
Output
48
all relays inactive
due to system error
Function error
Activation of the
assigned safety
outputs is
permissible
LED
run 1
all relays inactive
due to system error
Function error when
LED Run 2 is ON, or
system error when
LED Run 2 is OFF
or flashing
Activation of
the assigned
safety outputs
is permissible
Output
58
Activation of the
assigned safety
outputs is permissib-
le or system error
Waiting for
start signal
Function error
LED
run 2
all relays inactive
due to system error
all relays inactive
due to system error
No system error
