3.1 Convention Used in this Chapter
E5EK
3--3
This description assumes that the controller is operated under the fol-
lowing 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 type (E53-R) for OUT1.
10
9
8
7
6
5
4
3
2
1
OUT1
4to20mA
Humidity sensor
Alarm 1
(deviation
upper-and lower-limit)
Control target
Humidifier
SUB1
--
+
E5EK-AA2
(Control output 1 : E53-R)
20
19
18
17
16
15
14
13
12
11
21 22
23
SOURCE
AC100-240V
(AC/DC24V )
~
F Setup
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