I/O Signals For Programmable Controller Cpu; I/O Signal List - Mitsubishi QJ71MB91 User Manual

3
SPECIFICATIONS

3.4 I/O Signals for Programmable Controller CPU

This section explains the I/O signals for the programmable controller CPU of QJ71MB91.

3.4.1 I/O signal list

This section explains the I/O signals for the QJ71MB91.
The following I/O signal assignment is based on the case where the start I/O No. of the
QJ71MB91 is "0000" (installed to slot 0 of the main base unit).
Device X represents an input signal from the QJ71MB91 to the programmable controller
CPU.
Device Y means an output signal from the programmable controller CPU to the
QJ71MB91.
The I/O signals for programmable controller CPU are listed below.
Refer to the reference sections for the details of each signal.
Signal direction QJ71MB91
Device No. Signal name
Module READY
X0
ON : Accessible
OFF : Inaccessible
X1
X2 Use prohibited
X3
CH1 Automatic communication
parameter setting, normally completed
X4
ON : Normally completed
OFF : -
CH1 Automatic communication
parameter setting, error completed
X5
ON : Error completed
OFF : -
CH1 Automatic communication
operation status
X6
ON : Operating
OFF : Stopped
CH1 Automatic communication error
status
X7
ON : Error occurred
OFF : No error
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- 10 3.4 I/O Signals for Programmable Controller CPU
3.4.1 I/O signal list
Table3.3 I/O signal list
Programmable controller CPU
Reference Device No.
*1
Section
11.1
Section
5.2.1,
9.1.1
Section
5.2.1
* 1 Turns ON when the QJ71MB91 is ready after the programmable controller is turned from OFF to
ON or after the programmable controller CPU is reset.
Signal direction Programmable controller CPU
Y0
Use prohibited
Y1
- Y2
Y3
CH1 Automatic communication parameter
setting request/automatic communication
Y4 start request
ON : Being requested
OFF : Not requested
Y5 Use prohibited
CH1 Automatic communication stop
request
Y6
ON : Being requested
OFF : Not requested
Y7 Use prohibited
QJ71MB91
Signal name
(Continued on next page)
Reference
-
Section
5.2.1,
9.1.1
-
Section
5.2.1
-