
Connector pin definitions and ordering information M400 transmitter series
6
Connector pin definitions
1
⁄2 D
IN housing (Wall mount)
TB2
Pin
1
AO1+
2 AO1–/AO2–
3 AO2+
4
AO3+
5 AO3–/AO4–
6 AO4+
7
DI1+
8 DI1–/DI2–
9 DI2+
M400
oxygen
transmitter
Pin
1 not used
2 Anode
3 not used
4 Shield/GND
5 Cathode
6 GND/NTC
7 not used
8 NTC
9
+5V
M400
conductivity
transmitter
Pin
1 Cnd inner1
2 Cnd outer1
3 Cnd inner2
4 Cnd outer2/shield
5 not used
6 RTD ret/GND
7 RTD sense
8RTD
9
+5V
TB3 pin definitions
Conventional sensor
M400
pH transmitter
Pin
1 Glass
2 not used
3 Reference
4 Solution GND/Shield
5 not used
6 RTD ret/GND
7 RTD sense
8RTD
9
+5V
TB4 pin definitions
ISM sensor
Pin
1 Not used
2 Not used
3 Cable core
4 Shield
5 Not used
6 Not used
7 Not used
8 Not used
9 Not used
52_121_341_TD_M400_Series_E 2.7.2008 9:12 Uhr Seite 6
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