8-37
8 CIP Message Communications
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-2 CIP Messaging Communications Client Function
8
8-2-10 Response Codes
Examples of Additional Status When General Status Is 01 Hex
(Status of Connection Manager Object)
21 Write-once value or medium
already written
An attempt was made to write to a write-once medium
(e.g. WORM drive or PROM) that was previously written
or cannot be changed.
22 Invalid Reply Received An invalid reply was received. (For example, the reply ser-
vice code does not match the request service code, or the
reply message is shorter than the minimum expected
reply size.) This status code is used for other causes of
invalid replies.
23-24 Reserved by CIP for future extensions.
25 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 must indicate which part of the key
check failed.
26 Path Size Invalid The size of the path that was sent with the service request
is either too large or too small for the request to be routed
to an object.
27 Unexpected attribute in list An attempt was made to set an attribute that is not able to
be set at this time.
28 Invalid Member ID The member ID specified in the request does not exist in
the specified class, instance, and attribute.
29 Member not settable A request to modify a non-modifiable member was
received.
2A Group 2 only server general fail-
ure
This error code is reported only by group 2 only servers
with 4K or less of code space and only in place of Service
not supported, Attribute not supported, or Attribute not set-
table.
2B-CF Reserved by CIP for future extensions.
D0-FF Reserved for Object Class and
service errors
This range of error codes is to be used to indicate object
class-specific errors. This code range is used only when
none of the error codes in this table accurately reflect the
error that occurred. The additional code field is used to
describe the general error code in more detail.
General Sta-
tus (hex)
Additional Status (hex) Description
01 0100 Connection in use or duplicate forward open.
01 0103 Transport class and trigger combination not supported.
01 0106 Ownership conflict.
01 0107 Connection not found at target application.
01 0108 Invalid connection type. There is a problem with either the
connection type or priority of the connection.
01 0109 Invalid connection size.
01 0100 Device not configured.
01 0111 RPI not supported. May also indicate problem with con-
nection time-out multiplier, or production inhibit time.
01 0113 Connection Manager cannot support any more connec-
tions.
01 0114 Either the vendor ID or the product code in the key seg-
ment does not match the device.
01 0115 Device type in the key segment does not match the device.
General status
code (hex)
Status name Description of status
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