Terminals - Grundfos Conex DIS-D Montage- Und Betriebsanleitung

8.1 Terminals

+ - PE
+ - PE
out
24 V DC
®
Fig. 5 Conex DIS-D
+ - PE
+ - PE
out
24 V DC
®
Fig. 6 Conex DIS-PR
Legend of terminals
Pos. Description
7, 8 Relay: relay
Alarm: alarm relay
9, 10, 11 N.O.: normally open contact
N.C.: normally closed contact
17, 18 Pt100: Pt100 temperature sensor
14, 16 H O: water sensor
2
mA out: current output for continuous
controller or measuring parameter;
®
12, 13 Conex DIS-D: Cl
(chlorine dioxide) or O
®
Conex DIS-PR: pH, mV
15 Screen
19 Earth
Electrodes, Conex
20 M: measuring electrode
21 B/R: reference electrode
22 G/C: counter electrode
Electrodes, Conex
mV (redox combination electrode) or
23, 24
pH (pH electrode)
L N PE Relay
L1 N PE
out
115/120 V / 230/240 V
L N PE Relay
L1 N PE
out
115/120 V / 230/240 V
(chlorine), ClO
2 2
(ozone);
3
®
DIS-D
®
DIS-PR
Alarm H O
2
N.C.
+ -
N.O.
+ -
mA out
Alarm H O
2
N.C.
+ -
N.O.
+ -
mA out
Pt 100
M B/R G/C
Conex DIS-D
®
- +
mV
pH
Conex DIS-PR
®
11