Omron E5EK, User Manual

Page: 39 / 203

3.1 Convention Used in this Chapter
E5EK
3--3
This description assumes that the controller is operated under the fol-
lowing conditions.
•
A K thermocouple is used as the input.
•
Control output (heat), alarm 1 and alarm 2 functions are assigned to
“control output 1,” “control output 2” and auxiliary output 1, respec-
tively. Of these, only control output 1 and auxiliary output 1 are used.
•
The relay output unit is mounted at control output 1.
•
The upper-limit alarm is set as alarm 2. The alarm is output when the
temperature exceeds 10
_
C with respect to the PV.
•
The program is made up of one pattern comprising four steps.
•
The following figures show terminal wiring and the program used in
the setting examples.
OUT1
Temperature sensor:
K thermocouple
Alarm 2 (upper limit)
(alarm value=10
_
C)
Control target
SUB1
--
+
E5EK--TAA
jj
(Control output 1: E53--R)
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
21 22
23
SOURCE
Step 1 Step 2 Step 3
Pattern 0
Time: hr, min
0.20 0.40 0.20
50
100
SP
F
Setup examples