4 Installation and Wiring
4 - 16
NX-series Position Interface Units User’s Manual (W524)
NX-ECS112
The following wiring example shows an NX-ECS112 SSI Input Unit wired to a rotary encoder with a
shielded cable. The shield is connected to the Shield Connection Unit (NX-TBX01).
NX-ECS212
The following wiring example shows an NX-ECS212 SSI Input Unit wired to a rotary encoder with a
shielded cable. The shield is connected to the Shield Connection Unit (NX-TBX01).
Wiring Examples for SSI Input Units
Shield
Connection Unit
SSI Input Unit
Shield
Rotary encoder
SHLD SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
C-
C+ D+
D-
IOV
IOG
NC
NC
IOV
IOG
NC
NC
Ground to
100 Ω or less.
Shield
Connection Unit
SSI Input Unit
Shield Rotary encoder
Shield Rotary encoder
SHLD SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
SHLD
C1-
C1+ D1+
D1-
IOV
IOG
D2+
D2-
IOV
IOG
C2+
C2-
Ground to
100 Ω or less.