Installation Instructions
UM23.8A User Manual, 99183A, June 2022
9
Power Connection
The HIS-UM23�8 supports both AC and DC power input, but only one should be used to connect
power to the monitor�
AC power input accepts 100 to 240 VAC, 0.6/0.3 A, 60/50 Hz. Loosen the retaining clip for the
power cable on the rear of the monitor� Connect the AC power cable to the power input port on
the monitor then retighten the retaining clip. Connect the other end into a nearby outlet.
HAZ
LOC
NOTE: If the retaining clip screw is not tightened, the product will not
comply with Class I, II, III, Division 2 Hazardous Location requirements.
DC power input accepts 10�8 to 26�4 VDC, 2�3 to 0�9 A, Class 2 or SELV/LPS�
1�
With main power disconnected, hook up incoming
power wires to the DC input terminal blocks
according to the label markings. Securely tighten
terminal block screws�
2�
Plug the connector into the unit and secure by
tightening the two side screws.
3�
Earth and shield grounds should be connected via
the adjacent chassis screw designated with this
symbol:
HAZ
LOC
NOTE: If steps 1 and 2 are not performed, the product will not comply
with Class I, II, III, Division 2 Hazardous Location requirements.
Connect and Set Up Touch Screen
The HIS-UM23.8 display is available with 3 different touch screen technologies: Single-Touch
Resistive, Multi-Touch Resistive, and Projected Capacitive (PCAP). Touch screen configuration
steps vary based on the model�
Multi-Touch Resistive Touch Screen Models (HIS-UM23�8-_RVA)
Hope Industrial Multi-Touch Resistive models are pre-calibrated at the factory and
do not require
recalibration
in normal use�
These models do not require driver installation for most operating systems and are recognized as
touch-screen devices by recent Windows operating systems.