Yokogawa EXAxt PH450 4-Wire Analyzer for pH and ORP - Manual (Page 39)

31
IM 12B07C05-01E
5
MENU
STRUCTURE
COMMISSIONING
S2, S3, S4 Similar structure to S1
Menu Parameter Default Range
values min. max.
PID-control S1 Setpoint 7pH -inf +inf
PID-control S1 Range 1.00 pH 0.001 pH +inf
P(ID)-control S1 Manual Reset 0% 0% 100%
PI(D)-control S1 I-time 3600 sec. 1 sec. 3600 sec.
P(I)D-control S1 D-time 0 sec. 0 sec. 60 sec.
Duty cycle DC period time 10 sec. 1 sec. 1800 sec.
Pulse freq. Max. pulse freq. 70 p/min. 1 p/min. 120 p/min.
mA1 (simulate) Expire time 0.0 sec. 0 sec. 1800 sec.
Alarm S1 Setpoint 13 pH (high) -inf +inf
Alarm S2 Setpoint 1 pH (low) -inf +inf
Alarm Hysteresis 0.10 pH 0 pH +inf
Alarm Delay time 0.2 sec. 0 sec. 1800 sec.
Hold Fixed value mA1 12 mA 3.6 mA 21 mA
Hold Fixed value mA2 12 mA 3.6 mA 21 mA