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YOKOGAWA PH402G - Page 59

YOKOGAWA PH402G
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Parameter setting 5-27
IM 12B6B3-E-H
Code Display Function Function detail X Y Z Default values
Contacts
40 *S1 Relay 1 settings Off 0 2.0.0
Low setpoint 1
High setpoint 2 High
Note: Main process “HOLD” active 3
means pH or ORP Process alarm 0 Alarm
whichever is set in Proportional duty cycle control 1
code #1 Proportional frequency control 2
Temperature alarm 3
Alarm on main process 0 Main
PI control on main process 1
Alarm on rH 2
PI control on rH 3
41 *S2 Relay 2 settings Off 0 1.0.0
Low setpoint 1 Low
High setpoint 2
Note: “HOLD” active “HOLD” active 3
relay contact is used Process alarm 0 Alarm
to indicate when the Proportional duty cycle control 1
measuring mode is Proportional frequency control 2
interrupted Temperature alarm 3
Alarm on main process 0 Main
PI control on main process 1
Alarm on rH 2
PI control on rH 3
42 *S3 Relay 3 settings Off 0 4.0.0
Low setpoint 1
High setpoint 2
“HOLD” active 3
Note: “WASH” relay Wash control 4 WASH
contact is used to Process alarm 0 Alarm
control the flow of Proportional duty cycle control 1
cleaner to a sensor Proportional frequency control 2
wash nozzle Temperature alarm 3
Alarm on main process 0 Main
PI control on main process 1
Alarm on rH 2
PI control on rH 3
43 *S4 Relay 4 settings Off 0 4.0.0
Low setpoint 1
High setpoint 2
“HOLD” active 3
Note: “FAIL” relay Fail alarm 4 FAIL
contact is used to Process alarm 0 Alarm
indicate when the Proportional duty cycle control 1
diagnostics detect a Proportional frequency control 2
problem Temperature alarm 3
Alarm on main process 0 Main
PI control on main process 1
Alarm on rH 2
PI control on rH 3

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