Omron E5EZ-PRR Series Manual page 21

■ Wiring
■ Settings
in-t
5
l.ini
Travel time
mot
30 45
U
l.ini
Operation level
Process value/ set value/
25
percentage of valve
opening
25 0
0
100.0
U
Adjustment level
at
off
l.adj
SP is the ramp's
sprt
set value
1 0
0
l.adj
U
Input should be connected to terminals 9, 10, and 11 depending upon input type. The Out 1 ter-
minal links to the position proportional valve's open side and the Out 2 terminal links to its closed
side.
Ceramic kiln
(combustion)
Sensor
Burner
Select a position proportional control model, and perform floating control using a position propor-
tional valve with a travel time (time from being totally open to being totally closed) of 45 seconds.
Then, use the SP ramp function to make gradual changes to the process value at rates of
10.0°C/ minute. The relevant data and content of the settings are as shown below:
Direct/ reverse operation
Closed/ floating
Travel time
SP ramp set values
Here, the travel time and SP ramp values are set. Initial values are used for all others.
L
1. Press the key for at least 3 seconds to switch from the operation level to the initial setting
level.
2. Press the M key multiple times, and select mot: travel time. Press the U key, making the set
value 45.
3. Press the L key for at least 1 second, returning to the operation level. The process value/ set
value/ percentage of valve opening will be displayed. Press the U key, setting the target
value as 250.
key for less than 1 second to switch from operation level to → adjustment level.
4. Press the L
5. Press the M key multiple times, and select sprt: SP ramp set value. Press the U key, mak-
ing the set value 10.
Digital Position-Proportional Controllers
C W O
CLOSE
OPEN
Valve
Position proportional valve
= or-r: Reverse operation (initial value)
= flot: Floating (initial value)
= 45 seconds
= " 10 "
12
1
13
2
14
3
4
5
6
7
8
20
9
21
10
22
11
E5EZ-PRR
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