Sensorex TX105 - Sensor Input Connections; OC Output; Open Collector Output Connections

9
4.2 Sensor Input Connections
CAUTION:
• As electrical noise may interfere with electrode signal, please do not route the electrode cable in a
conduit containing AC power wiring.
PH Sensor Input Connections：
Sensor Input
Transmitter Terminals
TC-
coax center
9
Temp-
TC+
8
Temp+
REF
7
REF
PH
6
PH/ORP
Input
ORP Sensor Input Connections：
Sensor Input
Transmitter Terminals
10K Ohm Resistor
customer
supplied
9
8
REF
7
REF
ORP
6
PH/ORP
Input
TX105
4.3 OC Output
4.3.1 Open Collector Output Connections
 Connection to a PLC with built-in power supply
10K Ohm Resistor
customer
supplied
10K Ohm Resistor
10K Ohm Resistor
Note: If sensor does not have
ATC, short TC- to TC+
coax braid
Red
Black
coax center
coax braid