Unitronics UniStream USC5-B5-TR22 Installation Manual page 9

®
UniStream PLC
USC-Bx-TR22, USC-Bx-T24
I/O Connection Points
The IOs for these models are arranged in
two groups of fifteen points each, as
shown in the figures to the right.
Top group
Input connection points
Bottom group
Output connection points
The function of certain I/Os may be
adapted via wiring and software settings.
Wiring the Digital Inputs
All 10 digital inputs share the common point CM0. The digital inputs may be wired together
as sink or source.
Input wiring, sink
Use sink input wiring to connect a sourcing (pnp) device. Use source input wiring to
N
OTE
connect a sinking (npn) device.
Wiring the Analog Inputs
Both inputs share the common point CM1.
 The inputs are not isolated.
N
OTE
 Each input offers two modes: voltage or current. You can set each input
independently.
 The mode is determined by the hardware configuration within the software
application.
 Note that if, for example, you wire the input to current, you must also set it to
current in the software application.
Unitronics
USC-Bx-TR22
USC-Bx-T24
Input wiring, source
9