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MELSEC-Q
12 CONTROL SUB FUNCTIONS
The following drawing shows the operation of the forced stop function.
Each operation
PLC READY signal(Y0)
All axis servo ON(Y1)
Start signal(Y10)
Forced stop input
(Input voltage of EMI)
Md.50
Forced stiop input
10
Forced stop
causes occurrence
Pr.82
Forced stop valid/
invalid
0
Forced stop valid
Md.108
Servo status
(b1: Servo ON)
ON
01
OFF
1
ON ONOFF
Forced stop
causes occurrence
Fig. 12.21 Operation for the forced stop function
[2] Wiring the forced stop
When using the forced stop function, wire the terminals of the QD75MH forced
stop input as shown in the following drawing. (Either polarity can be connected to
the forced stop input (EMI, EMI.COM).
QD75MH
EMI
EMI.COM
24VDC
Fig. 12.22 Wiring when using the forced stop