Walchem WCTW100 Serie Betriebsanleitung Seite 24

pH/ORP
TB1
ECOND CCOND
w/BNC
1
XMT+ XMT
2
XMT–
3
X-SHLD SHIELD SHIELD SHIELD
4
USE
5 RCV–
BNC
FOR
6 RCV+
INPUT
RCV
7
SIGNAL
8
9 TEMP– TEMP– TEMP– TEMP–
10
TEMP+ TEMP+ TEMP+ TEMP+
11
R-SHLD
12
Abbildung 10 Verdrahtung des Digitaleingangs und des Analogausgangs
pH/ORP
TB2
FUNCTION
DIS
1
4-20 OUT–
2 4-20 OUT+
3 SHIELD
+5V DIG IN 2–
4
5 DIG IN 2+
6 +9 VDC
IN+
7 SHIELD
–5V 8 DIG IN 1–
9 DIG IN 1+
10
+9 VDC
IN– 11
SHIELD
12
1
2
3
4
5
6
7
8
9
10
11
12
TB2
1
2
3
4
5
6
7
8
9
10
11
12
TB7
TB1
+
pH
–
SHIELD
1
2
3
4
5
6
7
8
9
10
SHIELD
11
12
TB2
(Flow Switch, Water Meter)
20
TB3
TB6
R1
R2
TB4
N
N R3
N
TB5
N
L
POWER
FUSE
SWITCH
–
+
Chart
Recorder
INPUT –
SIGNAL +
POWER
SHIELD
Hall Effect
Flow Meter
Reed Switch, Relay
Polarity not critical
POWER
SWITCH