Dr. A. Kuntze K 100 W PR Handmatig - Pagina 14
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2.5 Connection diagram K 100 W PR
2.5 Connection diagram K 100 W PR
1
2
Sensor
Connection
pH electrode
ORP electrode
Impedance converter
Pt100
Display contrast
Analog output
Relay 1
Relay 2
Relay 3
Spannungsversorgung
RS485 (Option)
Digital input
14
3
4
5
6
7
10
Pt100
23 24 25
A
-
Terminals
1 + 2
1 + 2
1 - 4
6 + 7
Display
11 + 12
14 + 15
16 + 17
18 + 19
20 + 21 + 22 Check information on the instrument label!
23 + 24
26 + 27
K 100 PR & K 100 W PR
11 12 13
14 15 16 17 18 19
+
-
0/4-20 mA
Rel. 1 Rel. 2 Rel. 3
26 27 28
+
+
-
RS 485
Dig. IN
1 = reference electrode = screen
2 = measuring electrode = core
1 = measuring electrode = core
2 = reference electrode = screen
Measurement = brown & white
1 = brown, 2 = white
Supplied voltage = yellow & green
3 = yellow = -6V, 4 = green = +6V
Potentiometer to adjust the display contrast
11 = +, 12 = -, maximum loading 500 Ohm
Alarm relay
23 = -, 24 = +
Jumper A bridged = terminating impedance activated
26 = +, 27 = -, external controller stop
or lack-of water indication
20 21 22
L N PE
Notes