Unitronics Uni-I/O UIS-WCB1 Installation Manual page 7

High Speed Input Modes
Following are the different pin assignments for the high speed channels:
Quadrature
Pulse/Direction
 Input modes are set both by wiring and software.
N
OTE
 When connecting pulse sources without a direction signal, leave the direction pin
unconnected. Note that in this configuration, the direction pin cannot be used as
normal input.
Input wiring, sink
High Speed Input wiring, sink
Wiring the Analog Inputs
Both inputs share the common point CM0.
 Each input offers two modes: voltage or current. You can set each input
N
OTE
independently. The mode is determined both by wiring and by the hardware
configuration within the software application.
 Voltage and current modes use distinct points. Connect only the point associated
with the selected mode; leave the other point unconnected.
Unitronics
Channel 1
I0 I1
Phase A Phase B
Pulse Direction
Channel 2
I3 I4
Phase A Phase B
Pulse Direction
Input wiring, source
High Speed Input wiring, source
Uni-I/O™
7