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Wiring of Power Supply and General-purpose I/O Parts
5-14
5.5 Safety Measures
5.5.1 Safety Measures
Precautions regarding system design
In certain applications, malfunction may occur for the following reasons:
•
Power on timing differences between the PLC system and input/output or mechanical power
apparatus.
•
Response time lag when a momentary power drop occurs.
•
Abnormality in the PLC unit, external power supply, or other devices.
In order to prevent a malfunction resulting in system shutdown choose the adequate safety
measures listed in the following:
Interlock circuit
When a motor clockwise/counter-clockwise operation is controlled, provide an interlock circuit
externally.
Emergency stop circuit
Provide an emergency stop circuit to the PLC externally to turn off the power supply of the
output device.
Start up sequence
The PLC should be operated after all of the outside devices are energized. To keep this
sequence, the following measures are recommended:
•
Turn on the PLC with the mode selector set to the PROG. mode, and then switch to the RUN
mode.
•
Program the PLC so as to disregard the inputs and outputs until the outside devices are
energized.
Note) In case of stopping the operation of the PLC also, have the input/output devices turned
off after the PLC has stopped operating.
Grounding
When installing the PLC next to devices that generate high voltages from switching, such as
inverters, do not ground them together. Use an exclusive ground for each device which should
be grounded at a grounding resistance of 100
Ω
or less.
Electric shock prevention
The terminal block cover must be used for preventing electric shock.
Содержание FP-XH M8N16PD
Страница 1: ......
Страница 23: ...1 System Structure ...
Страница 39: ...2 Control Unit Specifications ...
Страница 48: ...Control Unit Specifications 2 10 ...
Страница 49: ...3 I O Allocation ...
Страница 77: ...4 Installation ...
Страница 89: ...5 Wiring of Power Supply and General purpose I O Parts ...
Страница 104: ...Wiring of Power Supply and General purpose I O Parts 5 16 ...
Страница 105: ...6 Wiring of Motion I O Parts ...
Страница 116: ...Wiring of Motion I O Parts 6 12 ...
Страница 117: ...7 Power On Off and Check Items ...
Страница 124: ...Power On Off and Check Items 7 8 ...
Страница 125: ...8 Steps Before Running ...
Страница 134: ...Steps Before Running 8 10 KEYPOINTS Port No can be confirmed through the computer s device manager ...
Страница 142: ...Steps Before Running 8 18 ...
Страница 143: ...9 Setting of Position Control Parameters ...
Страница 159: ...10 Transfer to Unit and Commissioning ...
Страница 181: ...11 Automatic Operation Position Control ...
Страница 193: ...11 2 Interpolation Control 11 13 ...
Страница 209: ...12 Automatic Operation Synchronous Control ...
Страница 251: ...13 Manual Operation JOG Operation ...
Страница 256: ...Manual Operation JOG Operation 13 6 ...
Страница 257: ...14 Manual Operation Home Return ...
Страница 264: ...Manual Operation Home Return 14 8 ...
Страница 265: ...15 Pulse Input Function ...
Страница 278: ...Pulse Input Function 15 14 ...
Страница 279: ...16 Stop Function ...
Страница 285: ...17 Auxiliary Function ...
Страница 326: ...Auxiliary Function 17 42 Note Refer to the latest instruction manual and technical materials of the servo amplifier ...
Страница 329: ...18 Instruction Reference ...
Страница 357: ...19 Error Warning Annunciation Function ...
Страница 386: ...Error Warning Annunciation Function 19 30 ...
Страница 387: ...20 Troubleshooting ...
Страница 402: ...Troubleshooting 20 16 ...
Страница 403: ...21 Memory Master Memory Cassette ...
Страница 418: ...Memory Master Memory Cassette 21 16 ...
Страница 419: ...22 Security Functions ...
Страница 430: ...Security Functions 22 12 ...
Страница 431: ...23 General purpose Input High speed counter Function ...
Страница 448: ...General purpose Input High speed counter Function 23 18 ...
Страница 449: ...24 Other Functions ...
Страница 452: ...Other Functions 24 4 ...
Страница 453: ...25 Maintenance and Inspection ...
Страница 457: ...26 Specifications ...
Страница 552: ...Specifications 26 96 ...
Страница 553: ...Record of changes Manual No Date Record of Changes WUME FPXHM8N16PD 01 Sep 2017 First Edition ...
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