Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 281)

16–16 PCCC Host Commands
Publication 2755-833
Each diagnostic counter increments when the event occurs. The
Reset Diagnostic Counters command resets all counter values to zero
(0).
Reset Diagnostic Counters
The Reset Diagnostic Counters (CMD= 06H, FNC= 07) sets all
diagnostic counter values to zero (0). The command and reply
formats look like this:
0 STS= 00H
High Byte Low Byte
MSB LSB
1
3 2
4
CMD= 06H
Reset Diagnostic Counters Command
0 STS= 00H
High Byte Low Byte
MSB LSB
2
Reset Diagnostic Counters Reply
1
3
FNC=07H
CMD Reply = 46H
TNS
TNS
Read Diagnostic Status
The Read Diagnostic Status command (CMD= 06H, FNC= 03H)
returns seven diagnostic parameters in the reply:
Diagnostic Return Parameters
Parameter Value Bytes Size
Mode/Status 00 1 byte
Extended Type EEH 1 byte
Interface Type 22H 1 byte
Processor Type 21H 1 byte
Series/Revision 22H (Series B, Revision C) 1 byte
Bulletin Number/Product Name ASCII characters 11 bytes
Product Information unused 8 bytes
The command and reply format for the Read Diagnostic Status
Command is: