Mettler Toledo M800 Schnellstartanleitung Seite 11

TB2 and TB4 – Terminal Assignment for Oxygen, Conductivity, pH and Ozone – ISM Sensors
TB2
(ISM Ch1,2)
Term. Function
1 DI2+
2 DI2–
3 1-Wire_Ch1
4 GND5V_Ch1
5 RS485B_Ch1
6 RS485A_Ch1
7 GND5V_Ch1
8 5V_Ch1
9 24V_Ch2
10 GND24V_Ch2
11 1-Wire_Ch2
12 GND5V_Ch2
13 RS485B_Ch2
14 RS485A_Ch2
15 GND5V_Ch2
16 5V_Ch2
TB3 – Terminal Assignment for Flow Sensors
TB3
Term. Transmitter
9 Ain_Ch5
10 AJ_Ch5
11 5V_Ch5
12 GND5V_Ch5
13 Ain_Ch6
14 AJ_Ch6
15 5V_Ch6
16 GND5V_Ch6
TB4 Optical Oxygen
(ISM Ch3,4)
Function VP8 cables:
wire color
DI6+ –
DI6– –
1-Wire_Ch3 –
GND5V_Ch3 –
RS485B_Ch3 –
RS485A_Ch3 –
GND5V_Ch3 –
5V_Ch3 –
24V_Ch4 grey
GND24V_Ch4 blue
1-Wire_Ch4 –
GND5V_Ch4 green/yellow grey
RS485B_Ch4 brown
RS485A_Ch4 pink
GND5V_Ch4 –
5V_Ch4 –
Flow hi, Flow lo Flow Type2
Function
Flow Pulse Input
+10 VDC
+5 VDC
Ground
Flow Pulse Input
+10 VDC
+5 VDC
Ground
, CO2 hi UniCond 2e
1) 1)
5-pin cables: Cables:
wire color wire color
– –
– –
– –
– –
– black
– red
– white
– blue
brown –
black –
– –
–
blue black
white red
yellow white
– blue
1) Always one O2 optical or CO2 hi
sensor can be connected to plug TB2
and TB4.
2) Transparent wire not connected.
pH, Amp. Oxygen, CO2,
2)
Cond 4e and O3
Cables:
wire color
–
–
transparent
(cable core)
red
–
–
–
–
–
transparent
(cable core)
red
–
–
–
–
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