Diagnostic read, Diagnostic status – Rockwell Automation 6001-F2E AB STANDARD DRIVER SFTW User Manual

Page 45

Advertising
background image

Specifying Message Packet Commands
with Send_StdDrv()

Appendix B

B-8

This command reads up to 244 bytes of data from the PROM or RAM of
the node interface module. You can use it to read the module’s diagnostic
timers and counters. When communicating to an SLC-500, set ADDR to
0 and SIZE to 10 (decimal). See appendix C for diagnostic read replies
for DH-485 devices.

Command Format

CMD

STS

TNS

06

ADDR

SIZE

FNC

01

Reply Format

CMD

STS

TNS

46

DATA

244 bytes max.

Your computer uses this command to read a block of status information
from a DH-485 device. The reply contains the information in its DATA
field. The status information varies with the type of device. See appendix
C for diagnostic status replies for DH-485 devices.

Command Format

CMD

STS

TNS

06

FNC

03

Reply Format

CMD

STS

TNS

46

DATA

244 bytes max.

Diagnostic Read

Diagnostic Status

Advertising