Input
signal
Communication
port
Name Description
Effective
operation
mode
X15 to
X1F
- Not used Do not use this.
(Note 1) The general-purpose communication reception done (copy) flag is effective after the execution of the
RECV instruction until one of the following instructions is executed. This flag does not remain ON
across several scans.
Execute 1: END instruction (scan header), and 2: RECV instruction
■
Output signal
Outpu
t
signal
Communication
port
Name Description
Effective
operation
mode
Y0 For COM.1 Port
Sending done
result
Reports the results of sending in master
communication or general-purpose
communication.
Normal completion: 0, Abnormal completion: 1
MEWTOCOL
MODBUS RTU
General-
purpose
communication
Y1 For COM.2 Port
Y2 For COM.0 Port
Y3 to
Y7
- Undefined Do not turn on "undefined". (Default setting is 0.)
Y8 For COM.1 Port General-
purpose
communicatio
n
Sending
active flag
It turns on (1) during sending in the general-
purpose communication mode.
(Note 1)
Sending done: 0, Sending: 1
General-
purpose
communication
Y9 For COM.2 Port
YA For COM.0 Port
YB - Undefined Do not turn on "undefined". (Default setting is 0.)
YC For COM.1 Port Master
communicatio
n
Sending
active flag
It turns on (1) during sending in the master
communication mode.
Sending done: 0, Sending: 1
MEWTOCOL
MODBUS RTU
YD For COM.2 Port
YE For COM.0 Port
YF - Undefined Do not turn on "undefined". (Default setting is 0.)
Y10 For COM.1 Port
Request to
reset CH
By turning on (1) Y10 to Y12, the communication
channel can be reset.
Without a request to reset = 0, With a request to
reset = 1
After ON (1) is output and the completion of the
reset is confirmed by X10 to X12, return to OFF
(0). The reset is performed only once when this
signal rises.
This function can be used to delete unnecessary
received data or to clear errors before starting
normal reception.
1: Sending canceled
2: Reception canceled
3: Re-set communication parameters
4: Clear error information (only for errors that can
be cleared)
General-
purpose
communication
Y11 For COM.2 Port
Y12 For COM.0 Port
Y13 - Undefined Do not turn on "undefined". (Default setting is 0.)
4.1 Input/Output Signals Used for Communication
WUME-FP7COM-07 4-3
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