INDUSTRIAL INDEXING SYSTEMS, INC. APPLICATION NOTE
IB-11B041 EMERALD SERIES CONTROLLER SERIAL COMMUNICATIONS
The RDFLAG Command (Operation Code 06) This operation code has been preceded by RD_FLAGA(operation code 29). The RDFLAG serial command can be used to read the state of the controller status flags, device status flags, inputs, outputs, timers, user flags, global S/W PLS, global H/W PLS, and local H/W PLS flags.
Packet sent to the ESC: [Header][Flag Type][Flag Number][Checksum] Flag Type:
A 2-byte value indicating the Flag Type to be set.
Flag Number:
A 2-byte value indicating the logical Flag Number to be set.
The Packet Body Length is 4 bytes.
Packet returned by the ESC: [Header][Flag State][Checksum] Flag State:
A 2-byte value indicating the state of the Flag Number read. If the flag is SET/ON, Flag State will be 1. If the flag is CLEAR/OFF, Flag State will be 0.
The Packet Body Length is 2 bytes.
REVISION D – FEBRUARY 2004
PAGE 16
