Assembly; Connecting The Unit; Connecting Alarm Output Terminals; Preparing Power Supply - Omron ZN-DPX21-S Series User Manual

3.3 Assembly

3.3.1 Connecting the unit

Before using this product, be sure to check the combination of the sensor head that can be
connected to the unit.
Unit name
ZN-DPX21-S□
ZN-THX21-S□
ZN-THX11-S□
Insert the Sensor Head into the Sensor Head connector until it clicks.

3.3.2 Connecting alarm output terminals

Use the attached alarm output connector to connect OUT and GND to the loads according to
the output specifications.
Refer to : 2.4.1Alarm output

3.3.3 Preparing power supply

This product can be driven by supplying power or by batteries
(1) When supplying power
Differential Pressure Sensor Head ZN-DPS1-S
Air Thermo Sensor Head ZN-THS1-S
Click
(1) Insert the plug of the AC adapter or DC power supply cable
into the power supply input terminal.
(2) When using an AC adapter, insert the plug of the AC adapter
into an outlet. (100 VAC to 240 VAC).
When using a DC power supply cable, connect the wire with
white line on it to the power(24 VDC±10 %), and connect
the other wire to 0V.
Sensor head name
3-3
3. Check and Preparation
DC power supply