Omron NX-EC0112, User Manual

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6 Incremental Encoder Input Units
NX-series Position Interface Units User’s Manual (W524)
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6-5 Terminal Block Arrangement
Incremental Encoder Input Units use screwless clamping terminal blocks.
This section describes the terminal block arrangements of the Units.
This section provides diagrams of the terminal block arrangement and internal power supply wiring of
the NX-EC0112. It also provides a wiring example.
A 16-terminal terminal block is used.
Note The encoder power supply output (24 V and 0 V) is provided power from the I/O power supply connected to
the Communications Coupler Unit or an Additional I/O Power Supply Unit.
6-5-1 NX-EC0112
Terminal Block Arrangement
Terminal No. Symbol I/O Name
A1 A I Counter input A
A2 Z I Counter input Z
A3 IOV O Encoder power supply output, 24 V
A4 IOG O Encoder power supply output, 0 V
A5 I0 I External input 0
A6 I2 I External input 2
A7 IOV O Encoder power supply output, 24 V
A8 IOG O Encoder power supply output, 0 V
Terminal No. Symbol I/O Name
B1 B I Counter input B
B2 NC --- Not used.
B3 IOV O Encoder power supply output, 24 V
B4 IOG O Encoder power supply output, 0 V
B5 I1 I External input 1
B6 NC --- Not used.
B7 IOV O Encoder power supply output, 24 V
B8 IOG O Encoder power supply output, 0 V
A
Z
IOV
IOG
I0
I2
IOV
IOG
B
NC
IOV
IOG
I1
NC
IOV
IOG
A B
A B
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8