YASKAWA CP 341 Manual page 75

VIPA System 300S
ERROR_NR 1 ... 2
ERROR_NR ERROR_INFO
(decimal)
0 0
SFC 51 ® RET_VAL
1
SFB 12 ® STATUS
2
SFB 22 ® STATUS
ERROR_NR 10 ... 19
ERROR_NR ERROR_INFO
(decimal)
10 Processing Code
11 Start Address
12 Amount of Registers
HB130 | CP | 341-1CH01 | en | 18-40
n CP_START_OK, CP_START_ERROR
– As soon as the send job has been completed without error, the output
CP_START_OK is set and the FB initialization is complete.
– Is the Send job completed with error, CP_START reset and CP_START_ERROR
is set.
n ERROR_NR, ERROR_INFO
– Further details on the error are displayed at ERROR_NR and ERROR_INFO.
– The errors are deleted with a rising edge at CP_START.
n Error during initialization FB and CP
– Error numbers 1 ... 2 indicate initialization with error.
– Parameter CP_START_ERROR is 1.
– Modbus communication to the master system is not possible.
n Error during processing of a function code
– Error numbers 10 ... 19 indicate an error during processing of a function code.
– The CP transmitted an illegal processing job to the communication FB.
– The error is also reported to the driver and subsequent processing jobs continue
to be processed.
Modbus > Modbus Slave - Communication with the user program
Error Text
Error Text
n Error when reading SZL with SFC 51.
– Remedy: Analyze RET_VAL in ERROR_INFO,
eliminate cause.
n TimeOut when initializing CP or error when CP (Error
in BSEND job)
– Remedy: Check if protocol "Modbus Slave" has
had parameters assigned on this interface.
– Check whether the "ID" specified on the communi-
cations FB is correct.
– Analyze ERROR_INFO.
Error Text
n Illegal processing function transferred by the driver to
the communication FB.
– Remedy: Restart CP (PowerOn).
n Illegal start address transferred by the driver to the
communication FB.
– Remedy: Check Modbus address of Modbus
master.
n Illegal Amount of Registers transferred by the driver to
the communication FB: Amount of Registers = 0.
– Remedy: Check Amount of Registers of Modbus
master system, if required restart CP (PowerOn).
Communication protocols
75