USER MANUAL User Manual

DF1 Diagnostic Command Support C-3

1784-5.34 - June 1998

Table C.5: Reply Values

Diagnostic Status

This command requests a block of status information from an RS-232C

device. The reply contains the information in its DATA field. The status

information varies from device to device. The status block is shown

below.

Table C.6: Command Format

Table C.7: Reply Format

1 Total DF1 packets received, low byte

2 Total DF1 packets received, high byte

3 Total DF1 packets transmitted, low byte

4 Total DF1 packets transmitted, high byte

5 Number of DF1 retries

6 Number of DF1 packets where the retry limit was exceeded

7 Number of DF1 NAKs sent

8 Number of DF1 NAKs received

9 Number of DF1 bad messages received

10 Number of RS–232C line errors

11 Total good ControlNet packets received, low byte

12 Total good ControlNet packets received, high byte

13 Total bad ControlNet packets received, low byte

14 Total bad ControlNet packets received, high byte

15 Total ControlNet packets transmitted, low byte

16 Total ControlNet packets transmitted, high byte

1 byte 1 byte 2 bytes 1 byte

CMD

STS TNS

FNC

1 byte 1 byte 2 bytes 24 bytes

CMD

STS TNS DATA