User Guide

Code Valid Values Default PW

22* Relay 2 setpoint (S2) 0.00 to 14.00 pH 6.00 pH no

-2000 to 2000 mV -500 mV

23* Relay 2 hysteresis (H2) 0.00 to 14.00 pH 1 pH no

0 to 4000 mV 50 mV

24* Relay 2 deviation (D2) 0.50 to 14.00 pH 1 pH no

25 to 4000 mV 50 mV

25* Relay 2 reset time 0.1 to 999.9 minutes 999.9 mins no

26* Relay 2 rate time 0.0 to 999.9 minutes 0.0 mins no

30 Relay 3 high alarm (HA) 0.00 to 14.00 pH 9.00 pH no

-2000 to 2000 mV 600 mV

HA>LA, HA>S1 or HA>S2

31 Relay 3 low alarm (LA) 0.00 to 14.00 pH 5.00 pH no

-2000 to 2000 mV -600 mV

LA<HA, LA<S1 or LA<S2

32 Proportional control 1 to 30 min (models w/o SSR) 5 min no

mode period 5 s to 30 min (models with SSR) 30 s no

33 Maximum relay ON time 1 to 60 min 60 no

(after which an alarm mode is entered)

34 Alarm mask time 00:00 to 30:00 (mm:ss) 00:00 no

40 Analog output selection 0: 0-1mA 2 no

1: 0-20 mA

2: 4-20 mA

3: 0-5 VDC

4: 1-5 VDC

5: 0-10 VDC

41 Analog output 0.00 to 13.00 pH 0.00 pH no

lower limit -2000 to 2000 mV -2000 mV

(O_VARMIN) (O_VARMIN < O_VARMAX-(1.00pH or 50mV))

42 Analog output 1.00 to 14.00 pH 14.00 pH no

upper limit -2000 to 2000 mV 2000 mV

(O_VARMAX) (O_VARMIN < O_VARMAX- (1.00pH or 50mV))