
19/21
TITLE
Addition of Machine Remote Diagnosis
and Unsolicited Message
3. Controlling of Unsolicited Message function by using PMC
3.1. Signals
Number # 7 # 6 # 5 # 4 # 3 # 2 # 1 # 0
Rxxxx
REQ Reserved
Unsolicited Message request signal REQ
[Classification] Input signal
[Function] Request of sending the Unsolicited Message
[Operation] The ladder program prepares the message body and sets “1” to this
signal. Then the message is sent to the PC.
Number # 7 # 6 # 5 # 4 # 3 # 2 # 1 # 0
Rxxxx +1
RES COM RES_CODE
Unsolicited Message communicating signal COM
[Classification] Output signal
[Function] This signal indicates that the transmission is the middle of the
process.
[Output condition] When the message is sent to the PC, this signal becomes active.
And when the response is sent back, this signal becomes inactive.
Response reception signal RES
[Classification] Output signal
[Function] This signal indicates that the response is received.
[Output condition] The PC which receives the Unsolicited Message from CNC will
answer the response to CNC.
When CNC receives its response, this signal becomes active.
When this signal becomes active, the ladder program should read
out the response code (RES_CODE) and set “0” to the REQ signal.
Then RES_CODE will be cleared and the RES signal will also
become inactive.
SHEETDESCRIPTIONDESIGN DATE EDIT
01
02.06.21
Mutai First issue
B-63644EN/02-3
FANUC LTD.
DRAW.NO.