Mitsubishi Electric MELSEC-F FX3G Series User Manual page 205

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition
2. Input/output powered extension unit
Example of program
M8000
BCD
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
Transistor output (sink)
COM1 Y020 Y021 Y022 Y023
1 2
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
Transistor output (source)
+V0 Y020 Y021 Y022 Y023
1 2
13.4 Seven Segment with Latch [SEGL Instructions (FNC74)/BCD Instructions (FNC18)]
D100 K2Y020
Input/output powered extension unit
COM2 Y024 Y025 Y026 Y027
4 8 1
1 2 4 8 1 2 4 8
Input/output powered extension unit
FX
FX
+V1 Y024 Y025 Y026 Y027
4 8 1
1 2 4 8 1 2 4 8
13 Examples of Wiring for Various Uses
7-segment display to be used for sink wiring
(in the case of transistor output)
PLC
FX -32ET
2N
FX -48ET
2N
2 4 8
7-segment display to be used for source wiring
(in the case of transistor output)
PLC
-32ET-ESS/UL
2N
-48ET-ESS/UL
2N
2 4 8
7-segment display
+
Y Signal
Internal
circuit
COM1
-
7-segment display
+V0 +
Internal
Y Signal
circuit
-
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