542 Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Appendix A CIP Objects
0x1E (30) Embedded service error A vendor-specific error has been encountered. The Additional Code Field of the Error Response
defines the particular error encountered. Use of this General Error Code only needs performed when
none of the Error Codes that are presented in this table or within an Object Class definition accurately
reflect the error.
0x1F (31) Vendor-specific error A vendor-specific error has been encountered. The Additional Code Field of the Error Response
defines the particular error encountered. Use of this General Error Code only needs performed when
none of the Error Codes that are presented in this table or within an Object Class definition accurately
reflect the error.
0x20 (32) Invalid parameter A parameter that is associated with the request was invalid. This code is used when a parameter does
not meet the requirements of this specification and/or the requirements defined in an Application
Object Specification.
0x21 (33) Write-once value or
medium already written
An attempt was made to write to a write-once medium (For example, WORM drive, PROM) that has
already been written, or to modify a value that cannot be changed once established.
0x22 (34) Invalid reply received An invalid reply is received (For example, reply Service Code does not match the request Service
Code, or reply message is shorter than the minimum expected reply size). This status code can serve
for other causes of invalid replies.
0x23 (35) Buffer overflow The message received is larger than the receiving buffer can handle. The entire message was
discarded.
0x24 (36) Message-format error The server does not support the format of the received message.
0x25 (37) Key failure in path The Key Segment that was included as the first segment in the path does not match the destination
module. The object-specific status indicates which part of the key check failed.
0x26 (38) Path size invalid The size of the path that was sent with the Service Request is either not large enough to allow the
Request to be routed to an object or too much routing data was included.
0x27 (39) Unexpected attribute in list An attempt was made to set an attribute that is not able to be set currently.
0x28 (40) Invalid member ID The Member ID specified in the request does not exist in the specified Class/Instance/Attribute.
0x29 (41) Member not able to be set A request to modify a non-modifiable member was received.
0x2A (42) Group 2 only server general
failure
This error code can only be reported by DeviceNet Group 2 Only servers with 4K or less code space
and only in place of Service not supported, Attribute not supported, and Attribute not able to be set.
0x2B (43) Unknown Modbus error A CIP to Modbus translator received an unknown Modbus Exception Code.
0x2C (44) Attribute not attainable A request to read a non-readable attribute was received.
0x2D (45)…
0xCF (207)
Reserved Reserved
0xD0 (208)…
0xFF (255)
Reserved for Object Class and service errors This range of error codes is used to indicate Object Class specific errors. Use of this range is only
performed when none of the Error Codes that are presented in this table accurately reflect the error
that was encountered.
General Code Extended
Code
Description
0x02 0x0201 The maximum number of class 3 connections are already in use
0x0F 0x0F01 Intrusive services are not allowed for unconnected messages
0x0F02 A Set Attribute Single service is only allowed when there is an active class 3 connection that belongs to the module owner determined
by the Vendor ID and the Device Serial Number
0x0F03 User attempted to access a service that is limited to Class 1 access only
0x0F04 User attempted to access a service that is only accessible if alarm inhibit is active
0x10 0x1001 An attempt to reconfigure the module was made while the module was already in program mode or in starting mode
0x01002 A Set Attribute service on the Configuration Manager object was attempted while the module was in Program Mode or in Starting
Mode
0x1003 Intrusive services are not allowed on the Non-Volatile Storage Object (0xA1) unless the module is in an Out of Box state without an
active class 1 connection
Table 314 - Generic CIP Status Codes (continued)
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