Control Example - Omron E5CK User Manual

CHAPTER 3 BASIC OPERATION

3.1 Control Example

F Setup
AC100-240V
(AC/DC24V )
SOURCE
3--2
This chapter describes the following control example to facilitate under-
standing of the basic operation of the E5CK controller.
This description assumes that the controller is operated under the follow-
ing conditions.
• A humidity sensor of output 4 to 20 mA is connected to the controller.
The measuring range of the humidity sensor is set to 10 to 95%.
• A humidifier is controlled by pulse output to maintain humidity at a
constant 60%.
• An alarm is output when the humidity exceeds the upper limit value
(70%) or lower limit value (50%).
• Output unit: relay/relay type (E53-R4R4)
• Input type jumper connector: "I (current input)"
Humidifier
OUT1
5 10
11 12
4 9
3 8
2 7
13 14
1 6
E5CK
Humidity sensor
Control target
OUT2
4 to 20mA
Alarm 1
(deviation upper-and
lower-limit)