Parameter setting 5-29
IM 12B6B3-E-H
Code
Display
Function
Function detail
X
Y
Z
Default values
Contacts (continued)
44
*D.TIME
Delay time
Minimum relay switching time
0.2 sec.
*PH.HYS
Hysteresis pH
Minimum pH/ORP change for relay reset
0.1 pH
*mV.HYS
Hysteresis ORP
after switching
10 mV
*rH.HYS
Hysteresis rH
Minimum rH change for relay reset
0.2 rH
after switching
*T.HYS
Hysteresis temp.
Minimum temperature change for relay
1 °C
reset after switching (fig. 5-2)
45
*RANGE
Proportional range
When proportional control selected
1 pH
in code 40, 41, 42 or 43
(10 mV)
*rH.RNG
Proportional range rH
When rH proportional control selected in
2 rH
code 40, 41, 42 or 43
*PER.
Duty cycle period
Pulse control On time + Off time (fig. 5-3)
10 sec.
*FREQ.
Maximum frequency
100% value for frequency control (fig. 5-4)
70 p/m
46
*tI.CNT
Integral time
Integral time for relay controls when
100 sec.
PI is set
47
*EXPIR
Expiry time
Warning of ineffective control action On
0
0
Off
Warning of ineffective control action Off
1
*tE min
Set expiry time
15
min
48-49
Not used
t (sec)
LED off
Hys.
LED on
Delay time
Delay time
LED off
pH/mV
Setpoint
90%
100
50
0
on
t
t off
10%
50%
50%
10%
90%
100
50
0
SC
0.3 s
Fig. 5-3.
Fig. 5-4.
pH
% of setpoint value
pH
% of setpoint value
% duty cycle control
Setpoint
Proportional
range
Time
Setpoint
Proportional
range
Time
Maximum pulse frequency
50 % pulse frequency
No pulses
% controller output
Fig. 5-2.
Содержание PH402G
Страница 1: ...Instruction Manual Model PH402G pH Converter IM 12B6B3 E H 7th Edition YOKOGAWA...
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Страница 49: ...Parameter setting 5 17 IM 12B6B3 E H 5 3 Notes for guidance in the use of service coded settings...
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