FP
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Communication Function 3 PLC Link Function
10 - 4
Overview of PLC link operation
Link relay:
Turning on a link relay contact in one PLC turns on the same link relay
in all of the other PLCs on the same network.
Link register:
If the contents of a link register in one PLC are changed, the values of
the same link register are changed in all of the PLCs on the same
network.
Link relay
R0
L0
L0
Y0
L0
Y0
L0
Y0
R0
F0, MV, K100, LD0
LD 0
100
LD 0
100
LD 0
100
LD 0
100
RS485
FP
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FP
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FP
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FP
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If the link relay L0 for the unit (No. 1) is turned on, the status change is fed back to the ladder programs of other
units, and the Y0 of the other units is output.
No. 2 Link register
No. 3 Link register
No. 4 Link register
No. 1 Link register
Link register
If a constant of 100 is written to the LD0 of unit No. 1, the contents of LD0 in unit No. 2 are also changed to a
constant of 100.
Figure 202: FP
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Overview of PLC link operation
Содержание FP Series
Страница 15: ...FP Functions and Restrictions of the Unit 1 2...
Страница 25: ...FP Specifications and Functions of Control Unit 2 2...
Страница 37: ...FP Expansion 3 2...
Страница 44: ...Chapter 4 I O Allocation 4 1 I O Allocation 4 3...
Страница 45: ...FP I O Allocation 4 2...
Страница 51: ...FP Installation and Wiring 5 2...
Страница 77: ...FP High speed Counter and Pulse Output Functions 6 2...
Страница 133: ...FP High speed Counter and Pulse Output Functions 6 58...
Страница 135: ...FP Communication Cassette 7 2...
Страница 147: ...FP Communication Function 1 Computer Link 8 2...
Страница 169: ...FP Communication Function 2 General purpose Serial Communication 9 2...
Страница 205: ...FP Communication Function 2 General purpose Serial Communication 9 38...
Страница 207: ...FP Communication Function 3 PLC Link Function 10 2...
Страница 232: ...Chapter 11 Other Functions 11 1 Analog Potentiometer 11 3 11 2 Clock Calendar Function 11 4...
Страница 233: ...FP Other Functions 11 2...
Страница 238: ...Chapter 12 Self Diagnostic and Troubleshooting 12 1 Self Diagnostic Function 12 3 12 2 Troubleshooting 12 5...
Страница 239: ...FP Self Diagnostic and Troubleshooting 12 2...
Страница 249: ...FP Self Diagnostic and Troubleshooting 12 12...
Страница 251: ...FP Specifications 13 2...
Страница 323: ...Index FP I 4...
Страница 325: ...FP Record of changes R 2...