Parameter name Data type Description
Reply Service USINT Initialize unit operation parameter service response:
BD hex
Reserved USINT Reserved: 00 hex
General Status USINT Current error code defined by CIP
Size of Additional Status USINT
Size of Additional Status: 00 hex or 01 hex
*1
Additional Status UINT
Additional Status
*2
*1. When the General Status of the response code is 1F hex (Vendor specific error), becomes 01 hex.
*2. This is stored only when the Size of Additional Status is 01 hex.
CIP Error Codes
General sta-
tus code
(hex)
Error name Cause
02 Resource unavailable Resources needed for the object to perform the requested
service were unavailable.
0C Object state conflict The object cannot perform the requested service in its cur-
rent mode/state.
10 Device state conflict The device state is not in a state to execute the required
service.
13 Not enough data Data required for the execution of the required service is in-
suf
ficient.
15 Too much data Extra data for the execution of the required service is includ-
ed.
1F Vendor specific error The service could not be executed due to internal reasons.
20 Invalid parameter
• The Unit number is out of the supported range.
• The Unit does not exist.
Get Current User Error (Service Code: 3E hex)
Obtain the user-defined errors of the Controller.
Request Data Format
Parameter name Data type Description
Service USINT Get current user error service: 3E hex
Request Path Size USINT Size of Request Path: 02 hex
Request Path Padded EPATH Request path: 2074 2401 hex
Class ID: 74 hex
Instance ID: 01 hex
Unit No UINT Unit number
0000 hex: Controller
0001 hex or above: Not supported
Start number of read record UINT Top number of read record
Number of read record UINT Number of read records (0 to 5)
When the registered number of records is smaller
than the number of read records, an error does not
occur
, and all the registered event logs are read.
8 CIP Message Communications
8-69
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-5 CIP Object Services
8
8-5-3 NX Configuration Object (Class ID: 74 hex)
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