Rockwell Automation Publication 1791ES-UM001G-EN-P - November 2016 149
Get Diagnostic Status from Modules by Using Explicit Messaging Appendix A
Explicit Messages
Explicit Messaging can also be used to read individual channel status for safety
inputs, safety outputs, test outputs, and power status. You can also configure
communication error settings for test outputs.
Table 61 - Reading the Cause of the Safety Input Error
Explicit
Message
Service Function Command (hex) Response (hex)
Service
Code
Class
ID
Instance
ID
Attribute ID Data Size
Safety input
cause of error
(fault)
information
read
Get
attribute
Single
Reads the cause for the status
bit (1…n), specified by the
Instance ID, turning OFF.
0E 3D 01…n 6E - 0: No error
01: Configuration invalid
02: External test signal error
03: Internal input error
04: Discrepancy error
05: Error in the other dual channel
input
Table 62 - Reading the Cause of the Safety Output Error
Explicit
Message
Service Function Command (hex) Response (hex)
Service
Code
Class
ID
Instance
ID
Attribute ID Data Size
Safety output
cause of error
(fault)
information
Get attribute
single
Reads the cause for the status
bit (1…n), specified by the
Instance ID, turning OFF.
0E 3B 01…n 6E - 0: No error
01: Configuration invalid
02: Over current detected
03: Short circuit detected
04: Output ON error
05: Error in the other dual channel
output
08: Output data error
09: Short circuit detected at safety
output
Table 63 - Monitoring the Test Output Point
Explicit Message Service Function Command (hex) Response (hex)
Service
Code
Class
ID
Instance ID Attribute ID Data
Size
Test output
cause of error (fault)
information
Get attribute
single
Reads the cause for the
status bit (1…n), specified
by the Instance ID, turning
OFF.
0E 09 01…n 76 - 0 = No error
01: Configuration invalid
02: Overload detected
05: Output ON error
06: Undercurrent detected for
muting lamp
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