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Chapter 13 Control Sub Functions
The following drawing shows the operation of the forced stop function.
[QD77MS4 operation example]
Each operation
PLC READY signal[Y0]
All axis servo ON[Y1]
Positioning start signal[Y10]
Forced stop input
(Input voltage of EMI)
Md.50
Forced stop input
1
0
Forced stop
causes occurrence
Pr.82
Forced stop valid/
invalid selection
0
Forced stop valid
Md.108
Servo status
Buffer memory
address: 877
(b1: Servo ON)
ON
0
1
OFF
1
ON
ON
OFF
Forced stop
causes occurrence
(Note): Refer to Section 3.3 for input/output signal and Chapter 5 for buffer memory address of QD77MS16.
Fig. 13.20 Operation for the forced stop function
[2] Wiring the forced stop
When using the forced stop function, wire the terminals of the QD77MS forced
stop input as shown in the following drawing. Either polarity can be connected to
the forced stop input (EMI, EMI.COM).
QD77MS
EMI
EMI.COM
24VDC
Fig. 13.21 Wiring when using the forced stop
Summary of Contents for MELSEC-Q QD77MS
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Page 27: ...A 26 MEMO...
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Page 101: ...3 34 Chapter 3 Specifications and Functions MEMO...
Page 232: ...5 111 Chapter 5 Data Used for Positioning Control MEMO...
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Page 337: ...6 22 Chapter 6 Sequence Program Used for Positioning Control...
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Page 433: ...8 20 Chapter 8 OPR Control MEMO...
Page 458: ...9 25 Chapter 9 Major Positioning Control MEMO...
Page 593: ...10 30 Chapter 10 High Level Positioning Control MEMO...
Page 625: ...11 32 Chapter 11 Manual Control MEMO...
Page 659: ...12 34 Chapter 12 Expansion Control MEMO...
Page 767: ...13 108 Chapter 13 Control Sub Functions MEMO...
Page 813: ...14 46 Chapter 14 Common Functions MEMO...
Page 831: ...15 18 Chapter 15 Dedicated Instructions MEMO...
Page 846: ...16 15 Chapter 16 Troubleshooting MEMO...
Page 892: ...16 61 Chapter 16 Troubleshooting MEMO...
Page 971: ...Appendix 62 Appendices MEMO...
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