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13 Examples of Wiring for Various Uses
198
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
13.4 Seven Segment with Latch [SEGL Instructions (FNC74)/BCD Instructions (FNC18)]
2. Input/output powered extension unit
Example of program
Example of wiring
1) In the case of sink wiring
When inputs are used for sink only and outputs are the transistor sink type in the used input/output
powered extension 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
extension unit
M8000
D100 K2Y020BCD
Signal
-
Internal
circuit
7-segment display
+
Y
COM1
PLC
7-segment display to be used for sink wiring
(in the case of transistor output)
Y020COM1 Y021 Y022 Y023 Y024 Y025 Y026 Y027
12481248
8421 8421
Transistor output (sink)
Input/output powered extension unit
FX
2N
-32ET
FX
2N
-48ET
Y020+V0 Y021 Y022 Y023 Y024 Y025 Y026 Y027
12481248
8421 8421
Transistor output (source)
Signal
-
7-segment display
+
Y
PLC
+V0
7-segment display to be used for source wiring
(in the case of transistor output)
Internal
circuit
Input/output powered extension unit
FX
2N
-32ET-ESS/UL
FX
2N
-48ET-ESS/UL