B&C PH 7685 - Page 8

B&C Electronics PH 7685/E – Rev. B
- 8 -
SET-POINT B Default
* Control functions: On/Off
On/Off
PFM - Pulse frequency modulation (option 091.211)
PWM - Pulse width modulation (option 091.211)
* Function: On/Off
Set-point (Rx): -1000/1000 mV 0 mV
(pH): 0.00/14.00 pH 0.00 pH
Hysteresis (Rx): 0/150 mV 0 mV
(pH): 0.00/1.50 pH 0.00 pH
Relay delay: 0.0/99.9 sec 0.0 sec
* Function: H/L (Max/Min) - pH LO
- ORP HI
* Function: PFM (option 091.211)
Set-point (Rx): -1000/1000 mV 0 mV
(pH): 0.00/14.00 pH 0.00 pH
Proportional band (Rx): 0/150 mV 15 mV
(pH): 0.00/1.50 pH 0.15 pH
Pulse frequency: 0/120 pulse/minute 100 i/min
Pulse width: 0.1 sec
* Function: H/L (Max/Min) - ORP LO
- pH HI
* Function: PWM (option 091.211)
Set-point (Rx): -1000/1000 mV 0 mV
(pH): 0.00/14.00 pH 0.00 pH
Proportional band (Rx): 0/150 mV 15 mV
(pH): 0.00/1.50 pH 0.15 pH
Pulse width: 0/99.9 Sec. 20 sec
Min. pulse width: 0.3 sec
* Function: H/L (Max/Min) - ORP LO
- pH HI
Relay contacts: SPDT 220V 5Amps Resistive load
ALARM (C-D contacts) Default
Low pH: 0.00/14.00 pH 0.00 pH
High pH: 0.00/14.00 pH 14.00 pH
Delay: 0.0/99.9 sec 0.0 sec
Low Rx: -1000/1000 mV -1000 mV
High Rx: -1000/1000 mV 1000 mV
Delay: 0.0/99.9 sec 0.0 sec
* Contact type: ACT/DEA ACT
* Alarm on max. SA: On/Off OFF
* Max. time SA: 0/60 min. 60 min
* Alarm on max. SB: On/Off OFF
* Max. time SB: 0/60 min. 60 min
Contacts: SPDT 220V 5Amps Resistive load