TOPAX DE Operation & Maintenance Instructions

Terminal connection diagram of wall mounted assembly
Potentiostatic electrode, Type PM-J (see terminal connection diagram at the top)
Amperometric electrode (see terminal connection diagram at the bottom)
Temperature
Pt 100
Relay 1 Relay 2 Relay 3
Power
Temperature
Pt 100
Relay 1 Relay 2 Relay 3
Power
26
27
28
29
30
31
32
33
35
36
37
38
39
40
41
42
43
44
45
46
44
45
46
26
27
28
29
30
31
32
33
35
36
37
Measurement / gold electrode (violet)
Reference electrode with cable (black)
Counter electrode / stainless steel electrode (red)
38
39
40
41
42
43
44
45
46
44
45
46
Potentiostatic
electrode
shielding reference electrode
pH
internal lead electrode
GND
GND
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
-
+
Analog output 1
0/4 - 20 mA
-
+
Analog output 2
0/4 - 20 mA
-
+
Analog output 3
0/4 - 20 mA
GND
RS 485
(Optional)
GND
GND
34
- +
TOPAX DE 4: REDOX, 35 = internal lead
TOPAX DE 3/6: disturbance variable 0/4 - 20mA, 34 = -, 35 = +
-
+
Water deficiency
L
N
PE
23
24
25
- +
GND
GND
34
-
+
L
N
PE
Measuring electrode (red)
Copper (blue) or silver (violet) electrode
shielding reference electrode
internal lead electrode
pH
Amperometrische
Messzelle
GND
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
-
+
Analog output 1
0/4 - 20 mA
-
+
Analog output 2
0/4 - 20 mA
-
+
GND
RS 485
(Optional)
GND
GND
Water deficiency
23
24
25
Analog output 3
0/4 - 20 mA
- +
GND
TOPAX DE 4: REDOX, 35 = internal lead
TOPAX DE 3/6: disturbance variable 0/4 - 20mA, 34 = -, 35 = +
- +
18 | Operating Manual TOPAX DE | Device Installation and Connection