Omron NX-series User Manual page 119

General status code (hex)
20
*1. For details of the individual errors, refer to the appendix of NX-series Safety Control Unit / Communication
Control Unit User's Manual (Cat. No. Z395).
l Get Event Log (Service Code: 3B hex)
The request format, format for normal responses, format for error responses, and CIP error codes
for the Get event log object are given below.
Request Format
Parameter name
Service
Request Path Size
Request Path
Unit No
Event log type
Start index of read record Index number of first record to
Number of read record
*1. For Communication Control Unit, the range of values is 0 to 5. For NX Units, it is 0 to 9.
Format for Normal Response
Parameter name
Reply Service
Reserved
General Status
Size of Additional Status
Record size
Number of registered re-
cord
Latest index of registered
record
Last index of readout re-
cord
Number of readout record
Reserved
Event log record[0]
:
NX-series Communication Control Unit Built-in Function User's Manual (Z396)
*1
Error code
Invalid parameter
Description
Service code
Size of request path
Request path
Unit number
Type of event log
read
Number of records to read
Description
Reply to Get event log service
Reserved
Code that indicates normal
Size of Additional status
Size of one record (bytes)
Number of registered records
Index number of most recently
registered record
Index number of record that was
read last
Number of records that were
*1
read
Reserved
Event log record 0
:
8 CIP Message Communications
Data type
USINT 3B
USINT 02
Padded 20742401
EPATH
UINT 0000: Communication Control Unit
0001 to 0020: NX Unit
0021 or higher: Not supported
UINT 0000: System event log
0001: Access event log
UDINT Number of first record to read
UINT
Number of records to read
Data type
USINT BB
USINT 00
USINT 00
USINT 00
UINT 0060: Communication
Control Unit
0032: NX Unit
UINT Number of registered re-
cords
UDINT Index number of most re-
cently registered record
UDINT Index number of record
that was read last
UINT Number of records that
were read
UINT 0000
STRUCT OF Event log record 0
Event log re-
*2
cord
:
Value (hex)
*1
Value (hex)
:
8 - 23
8