Yokogawa EXAxt SC450 4-Wire Analyzer for Conductivity/Resistivity - Manual (Page 35)

27
IM 12D08N05-01E
5
MENU
STRUCTURE
COMMISSIONING
Menu Parameter Default Range
values min. max.
PID-control S1 Setpoint 250.0 µS/cm - inf + inf
PID-control S1 Range 50.0 µS/cm - inf + inf
PID-control S1 Manual Reset 0% 0% 100%
PID-control S1 I-time 3600 s 1 s 3600 s
PID-control S1 D-time 0 s 0 s 60 s
Duty cycle DC period time 10 s 1 s 1800 s
Pulse freq. Max. pulse freq. 70 p/min 1 p/m 120 p/m
mA1 (simulate) Expire time 0.0 s 0 s 1800 s
Alarm S1 Setpoint 450.0 µS/cm (high) - inf + inf
Alarm S2 Setpoint 50.0 µS/cm (low) - inf + inf
Alarm S1 Hysteresis 4.500 µS/cm 0 mS/cm + inf
Alarm S1 Delay Time 0.2 s 0 s + inf
Alarm S1 Expire Time 0.0. s 0 s 1800 s
Hold Fixed value mA1 12 mA 3.6 mA 21 mA
Hold Fixed value mA2 12 mA 3.6 mA 21 mA
S2, S3, S4 Similar structure to S1
Enter
PI-control S1
Range
(proportional)
Direction
Setpoint
I-time
250.0μS/cm
50.00μS/cm
Reverse
3600 s
Alarm
Control
Hold
USP
Fail
Off
Simulate