Terminal Block (Tb) Definitions - Mettler Toledo M300 FLOW Schnellinstallationsanleitung

3

Terminal Block (TB) definitions

Power connections are labeled – N for Neutral and +L for Line, for 100 to 240 VAC or 20 – 30 VDC.
1 ⁄ DIN
4
TB2 for 1 ⁄ DIN
4
1 AO1+
2 AO1–/AO2–
3 AO2+
4 AO3+*
5 AO3–/AO4–*
6 AO4+*
7 DI1+
8 DI1–/DI2–*
9 DI2+*
TB1A for 1 ⁄ DIN
4
1 NO2
2 COM2
3 NC2
4 NO6*
5 COM6*
6 NO4
7 COM4
NO = normally open (contact is open if unactuated).
NC = normally closed (contact is closed if unactuated).
3.1 Sensor Connections – TB3 / TB4*
Pin no. Transmitter
TB3
1 –
2 GND
3 BJ*
4 BIN*
5 +5 V
6 GND
7 AJ
8 AIN
9 +5 V
6
TB4 TB3
9
1
TB1A
1 7
TB1B
TB2
1 7
* Dual-
TB1B for 1 ⁄ DIN
4
Channel
1 NO1
only
2 COM1
3 NC1
4 NC5*
5 COM5*
6 NO3
7 COM3
Function
TB4*
Not used
Ground
DJ* +10 VDC
DIN* Flow Pulse Input
+5 VDC
Ground
CJ* +10 VDC
CLN* Flow Pulse Input
+5 VDC
1 ⁄ DIN
2
TB2 for
9
1 AO1+
2 AO1–/AO2–
3 AO2+
1
4 AO3+*
9
5 AO3–/AO4–*
6 AO4+*
7 DI1+
8 DI1–/DI2–*
1
9 DI2+*
1 NO1
2 COM1
3 NC1
4 NO2
5 COM2
6 NC2
7 COM5*
AJ and AIN refer to connections for channel A.
* For four channel models only.
1 ⁄ DIN
2
TB1
1
1 9 1
TB2
1
TB1 for ⁄ DIN
2
8 NC5*
9 COM6*
10 NO6*
11 NO3
12 COM3
13 NO4
14 COM4
14
9 1 9
TB3 TB4