RD 500 RD51 Troubleshooting 12-9
DOK-RD500*RD51*******-IB04-EN-P
No. Designation Message
Cause Remedy / comments
39 On for starting lock-out Fault
The message only occurs when the start inhibit option
is installed.
Sizes A to E: Contacts X80.1 and 2 were opened
during operation, or an on command was output with
the terminal open.
Sizes G and H: Contacts X80.170 and 171 were
opened during operation, or an on command was
issued with the terminals open.
40 Switched-mode power supply Fault
The switched-mode power supply for the electronics
supply does not output a checkback signal.
Replace the defective switched-mode power supply.
Depending on the drive converter version, the
switched-mode power section is on the PC board:
LT (power section),
WS (inverter control) or
SV (power supply).
41 SR <==> WS new
If the control card is replaced in another drive
converter with a higher or lower output or drive
converter index, this entry is made in the fault
memory (the drive converter does not go into a fault
condition!).
A fault is issued if the parameters lie outside the limit
values (refer to fault 19).
44 SS4 function Warning / fault
Only for option interface cards at option slot 2.
The drive converter detects a physical fault on the
interface cable from the higher-level control
computer. Erroneous data transfer along the fieldbus.
Check that the PPO type (protocol type), baud rate,
parity, stop bit and slave address are correct.
If a bus error occurs in the form of an alarm or fault,
then the alarm or the fault or both messages can be
suppressed using parameter
P0745, this means that the system can continue to
operate!
Only for CAN bus option:
The protocols sent on the CAN bus interface are
monitored. If a bus error occurs more than 127x, an
alarm is output. If a bus error occurs more than 255x, a
fault is signaled. The alarm or fault or both messages
can be masked in parameter P0745; this means that
the system can continue to operate.
Inside the handicap there Watchdog-time no protocol
communication.
It´s a fault as reaction on the instruction “Clear Data”
in Parameter P0524 and no valide protocol inside the
timeout-time receive.
Only for Profibus option:
Either “No action” or “Fault” when receiving Clear Data
can be selected in parameter P0524.
Caution: In this case, P0745 should be set to the “All
active” function! This means that the control computer
sends Clear Data if there is an invalid protocol or a bus
error.
Only for Interbus S option:
The response type can be set in parameter P0518 and
the monitoring time, when a bus error occurs, in P0519.
Index 0 = process data, index 1 = PKW range.
45 SS4 time monitor Warning / fault
Only if an option interface card is in option slot 2.
The superordinate control computer does not send
any data within the set reaction time.
Check connector SS4
Increase the reaction time (P0747) or select another
reaction type (P0746).
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