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 This service could not change because the transition to the
parameter write mode is in progress.
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.
Read Total Power On Time (Service Code: 38 hex)
Read the total power on time of the specified NX Unit.
Request Data Format
Parameter name Data type Description
Service USINT Read total power on time service: 38 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
0001 to 0020 hex: NX Unit
0000, 0021 hex or above: Not supported
Response Data Format
When the processing is successful
Parameter name Data type Description
Reply Service USINT Read total power on time service response: B8 hex
Reserved USINT Reserved: 00 hex
General Status USINT Code indicating normal: 00 hex
Size of Additional Status USINT Size of Additional Status: 00 hex
Total power on time ULINT Total power on time of NX Units.
When the processing failed
Parameter name Data type Description
Reply Service USINT Read total power on time service response: B8 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
8 CIP Message Communications
8-58
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
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