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Chapter 3 Specifications and Functions
3.3 Specifications of input/output signals with PLC CPU
3.3.1 List of input/output signals with PLC CPU
The Simple Motion module uses 32 input points and 32 output points for exchanging
data with the PLC CPU.
The input/output signals when the head I/O number of Simple Motion module is set to
"0H" are shown below.
If it is set to other than "0H", change the I/O number according to setting of head I/O
number.
Device X refers to the signals input from the Simple Motion module to the PLC CPU,
and device Y refers to the signals output from the PLC CPU to the Simple Motion
module.
(1) QD77MS2
Signal direction: QD77MS2 PLC CPU Signal direction: PLC CPU QD77MS2
Device No. Signal name Device No. Signal name
X0 READY Y0 PLC READY
X1 Synchronization flag Y1 All axis servo ON
X2
Use prohibited
Y2
Use prohibited
X3 Y3
X4 Axis 1
M code ON
Y4 Axis 1
Axis stop
X5 Axis 2 Y5 Axis 2
X6
Use prohibited
Y6
Use prohibited
X7 Y7
X8 Axis 1
Error detection
Y8
Axis 1
Forward run JOG start
X9 Axis 2 Y9 Reverse run JOG start
XA
Use prohibited
YA
Axis 2
Forward run JOG start
XB YB Reverse run JOG start
XC Axis 1
BUSY
YC
Use prohibited
XD Axis 2 YD
XE
Use prohibited
YE
XF YF
X10 Axis 1
Start complete
Y10 Axis 1
Positioning start
X11 Axis 2 Y11 Axis 2
X12
Use prohibited
Y12
Use prohibited
X13 Y13
X14 Axis 1
Positioning complete
Y14 Axis 1
Execution prohibition flag
X15 Axis 2 Y15 Axis 2
X16
Use prohibited
Y16
Use prohibited
X17 Y17
X18 Y18
X19 Y19
X1A Y1A
X1B Y1B
X1C Y1C
X1D Y1D
X1E Y1E
X1F Y1F
Important
[Y2, Y3], [Y6, Y7], [YC to YF], [Y12, Y13], [Y18 to Y1F], [X2, X3], [X6, X7], [XA, XB], [XE,
YF], [X12, X13], and [X16 to X1F] are used by the system, and cannot be used by the user.
If these devices are used, the operation of the QD77MS2 will not be guaranteed.