7-43
7.6.5 Setting the Largest Unit Number for PC(PLC) Link
The largest unit number can be set using system register no.47 (using system register no.57 for
PC(PLC) link 1).
[Sample setting]
No. of units linked Setting contents
2
1st unit: Unit no. 1 is set
2nd unit: Unit no. 2 is set
A largest unit no. of 2 is set for each.
4
1st unit: Unit no. 1 is set
2nd unit: Unit no. 2 is set
3rd unit: Unit no. 3 is set
4th unit: Unit no. 4 is set
A largest unit no. of 4 is set for each.
n
Nth unit: Unit no. n is set
A largest unit no. of n is set for each.
Note:
-
Unit numbers should be set sequentially and consecutively, starting from 1, with no breaks between
them. If there is a missing unit number, the transmission time will be longer.
-
If fewer than 16 units are linked, the transmission time can be shortened by setting the largest unit
number in system register no.47 (in system register no.57 for PC(PLC) link 1).
-
For all PLCs which are linked, the same value should be set for the largest unit number.
-
If there are fewer than 16 units linked and the largest unit number has not been set (default=16), or the
largest unit number has been set but the unit number settings are not consecutive, or the unit number
settings are consecutive but there is a unit for which the power supply has not been turned on, the
response time for the PC(PLC) link (the link transmission cycle) will be longer.
Reference:
<7.6.7 PC(PLC) Link Response Time>
Setting PC(PLC) link switching flag
PC(PLC) link switching flag can be set using system register no. 46.
If it is set to 0 (default value), the first half of the link relays and registers are used. If it is set to 1, the
second half of the link relays and registers are used.
Содержание FP0R Series
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Страница 15: ...Chapter 1 Functions and Restrictions of the Unit ...
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Страница 25: ...Chapter 2 Specifications and Functions of Control Unit ...
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Страница 39: ...Chapter 3 Expansion ...
Страница 45: ...3 7 3 4 Terminal layout diagram Model No Terminal layout diagrams E8RS E8RM E16RS E16RM E8YRS ...
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Страница 49: ...Chapter 4 I O Allocation ...
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Страница 73: ...Chapter 6 Preparation of USB Port ...
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Страница 79: ...6 7 4 Double click on FP0R 5 Click Update Driver ...
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Страница 85: ...Chapter 7 Communication ...
Страница 139: ...7 55 Sample program For Type II Use a program as below to directly specify a MODBUS address ...
Страница 141: ...Chapter 8 High speed Counter Pulse Output and PWM Output Functions ...
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Страница 211: ...Chapter 10 Other Functions ...
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Страница 243: ...Chapter 13 Specifications ...
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Страница 255: ...Chapter 14 Dimensions and Others ...
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Страница 263: ...Chapter 15 Appendix ...
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