Omron K3HB Applications Manual

Preparations
2.2 Using I/O
2-9
● Analog inputs
Input the signal to be measured. The inputs that can be measured by
each model are outlined below.
Voltage/current inputs
Connect the input device to the terminals shown below depending on
the input type. Make sure that the maximum rating is not exceeded,
even momentarily.
Circuit Diagrams
1
2
3
4
5
6
A B C D E
Input B
Input A
E3
E2
E1
E6
E5
E4
4 to 20 mA, 0 to 20 mA
1 to 5 V, 0 to 5 V
±5 V, ±10 V
1 to 5 V, 0 to 5 V
±5 V, ±10 V
4 to 20 mA, 0 to 20 mA
-
+
-
+
A
B
AD
AD
V
I
COM
120 Ω
A + B = 1 MΩ
E4 or E5
E3
COM
E3
E1 or E2

Omron K3HB Specifications

General

Input Type	Thermocouple, RTD, Voltage, Current
Control Output	Relay, Voltage, Current
Communication	RS-485
Mounting	Panel
Humidity	25% to 85%
Supply Voltage	100-240 VAC, 24 VDC