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13 Examples of Wiring for Various Uses
197
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
11
High-Speed
Counters
12
Output Wiring
13
Wiring for
Various Uses
14
Test Run,
Maintenance,
Troubleshooting
15
Input/Output
Powered
Extension Units
16
Input/Output
Extension
Blocks
17
Extension
Power Supply
Unit
18
Other Extension
Units and
Options
19
Display Module
20
Terminal Block
13.4 Seven Segment with Latch [SEGL Instructions (FNC74)/BCD Instructions (FNC18)]
13.4.2 When BCD instructions are used
This subsection gives examples of wiring for displaying the current value of D100 on the 2-digit 7-segment
display.
1. Main unit
Example of program
Example of wiring
1) In the case of sink wiring
When inputs are used for both sink and source and outputs are the transistor sink type in the used main
unit
2) In the case of source wiring
When inputs are used for both sink and source and outputs are the transistor source type in the used
main unit
M8000
D100 K2Y010BCD
Transistor output (sink)
Main unit (Ex: FX
3G
-40MT/ES)
Signal
-
Internal
circuit
7-segment display
+
Y
COM1
PLC
7-segment display to be used for sink wiring
(in the case of transistor output)
Y010COM4 Y011 Y012 Y013 Y014 Y015 Y016 Y017
1248 124
8
8421 8421
COM5
Y010+V4 Y011 Y012 Y013 Y014 Y015 Y016 Y017
1248 1248
8421 8421
Transistor output (source)
+V5
Signal
-
7-segment display
+
Y
PLC
+V0
7-segment display to be used for source wiring
(in the case of transistor output)
Internal
circuit
Main unit (Ex: FX
3G
-40MT/ESS)