Omron NX-EC0112, User Manual

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6 Incremental Encoder Input Units
NX-series Position Interface Units User’s Manual (W524)
6-
5 T
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inal B
lock A
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6
6-
5-5 NX-
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C0212
This section provides diagrams of the terminal block arrangement and internal power supply wiring of
the NX-EC0212. It also provides a wiring example.
A 12-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.
The following diagram shows the internal power supply wiring.
6-5-5 NX-EC0212
Terminal Block Arrangement
Terminal No. Symbol I/O Name
A1 A1 I Counter 1 input A
A2 Z1 I Counter 1 input Z
A3 IOV O Encoder power supply output, 24 V
A4 IOG O Encoder power supply output, 0 V
A5 A2 I Counter 2 input A
A6 Z2 I Counter 2 input Z
A7 --- --- ---
A8 --- --- ---
Terminal No. Symbol I/O Name
B1 B1 I Counter 1 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 B2 I Counter 2 input B
B6 NC --- Not used.
B7 --- --- ---
B8 --- --- ---
Internal Power Supply Wiring Diagram
A1 B1
NC
IOV
IOG
B2
NC
Z1
IOV
IOG
A2
Z2
A B
A B
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
A B
A B
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
24 V
0 V
A1
Z1
IOV
IOG
Z2
A2
B1
NC
IOV
IOG
B2
NC
Terminal block
NX bus connector
Incremental Encoder Input Unit
Note The I/O power is supplied from the I/O power supply con-
nected to the I/O power supply terminals on the Communica-
tions Coupler Unit or an Additional I/O Power Supply Unit.