MSC ERROR CODES
If there is a malfunction, the MSC system sends a code, corresponding to the error
detected by the base unit MSC-CB, to the software EUCHNER Safety Designer.
The code can be read as follows:
- Connect the base unit MSC-CB (that is indicating the error) to the PC using the USB ca-
ble;
- Start the software EUCHNER Safety Designer (SWSD);
- Establish the connection using the button; a window appears with the password prompt;
type the password; a window appears with the error code acquired.
All possible errors with the corresponding solution are listed in the following.
The two microcontrollers MSC-CB
do not have the same hard-
ware/software configuration
CHECK MSC-CB AND MSCB PLUG CONNECTORS ON THE
EXPANSION MODULES FOR CORRECT SEATING. REPLACE
PLUG CONNECTORS IF NECESSARY.
Two or more expansion modules with
the same node number
CHECK CONNECTIONS – PIN 2, 3 ON THE EXPANSION
MODULES
Maximum number of expansion mod-
ules exceeded
REMOVE EXCESS MODULES (MAX. 14)
A change in the node number has been
detected on one or more modules
CHECK CONNECTIONS – PIN 2, 3 ON THE EXPANSION
MODULES
An external error has been detected on
an expansion module
SEE ERROR CODE ON THE MODULE
Error in relation to the memory card M-
A1
From AZ-FO4 AZ-FO4O8 -
EDM error on RELAY1 and RELAY2
CHECK CONNECTION OF THE EXTERNAL FEEDBACK
LOOPS FROM THE CONTACTORS
From AZ-FO4 AZ-FO4O8 -
EDM error on RELAY2 and RELAY3
CHECK CONNECTION OF THE EXTERNAL FEEDBACK
LOOPS FROM THE CONTACTORS
From AZ-FO4 AZ-FO4O8 – EDM error on
RELAY3 and RELAY4
CHECK CONNECTION OF THE EXTERNAL FEEDBACK
LOOPS FROM THE CONTACTORS
133D (Proxi1)
140D (Proxi2)
From a module SPM2, SPM1 or SPM0 –
overfrequency measured on proximity
switch input
THE INPUT FREQUENCY MUST BE < 5 KHz
136D (Encoder1)
143D (Encoder2)
From a module SPM2, SPM1 or SPM0 –
Encoder input signals measured outside
the standard (duty cycle, phase offset)
THE DUTY CYCLE MUST HAVE THE FOLLOWING VALUES:
50 % + 33 % OF THE PERIOD (HTL, TTL).
THE PHASE OFFSET MUST HAVE THE FOLLOWING VALUES:
90° + 33 % (HTL, TTL)
(not applicable to SIN/COS)
138D (Encoder1)
145D (Encoder2)
From a module SPM2, SPM1 or SPM0 –
overfrequency measured on Encoder
input
THE INPUT FREQUENCY MUST BE AS FOLLOWS
< 500KHz (TTL, SIN/COS);
< 300KHz (HTL).
194D 197D
198D 199D
201D 202D
203D 205D
Error on the static output OSSD1
CHECK CONNECTIONS FOR OSSD 1 IN RELATION TO
ERRONEOUS MODULE
208D 211D
212D 213D
215D 216D
217D 219D
Error on the static output OSSD2
CHECK CONNECTIONS FOR OSSD 2 IN RELATION TO
ERRONEOUS MODULE
222D 225D
226D 227D
229D 230D
232D 233D
Error on the static output OSSD3
CHECK CONNECTIONS FOR OSSD 3 IN RELATION TO
FAULTY MODULE
236D 239D
240D 241D
243D 244D
245D 247D
Error on the static output OSSD4
CHECK CONNECTIONS FOR OSSD 4 IN RELATION TO
ERRONEOUS MODULE
All other codes relate to an internal malfunction. Please replace faulty module or contact EUCHNER for
further troubleshooting.
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