Connections - Mettler Toledo IND780 Guia De Instalacion

2.7.3.2.

Connections

TO AVOID DAMAGE TO THE PCB OR LOAD CELL, REMOVE POWER FROM THE IND780 TERMINAL AND WAIT AT
LEAST 30 SECONDS BEFORE CONNECTING OR DISCONNECTING ANY HARNESS.
The POWERCELL MTX option board should be placed in slot 1 on the main board, and its ground
wire attached to the screw indicated in Figure 2-27 and Figure 2-28. The POWERCELL MTX option
is used with METTLER TOLEDO DigiTOL
tank and vehicle weighing applications. Figure 2-44 shows a POWERCELL MTX option board.
Figure 2-46 shows the connections for this board.
The total maximum cable length from the last junction box to the IND780 terminal depends on the
power supply level, number of cells and cable gauge sizes. Refer to Table 2-11 for the
64057253 | 14 | 08/2014
NOTICE
®
POWERCELL MTX or RAAD box load cells used in large
Figure 2-46: POWERCELL MTX Option Board Connections
Table 2-10: POWERCELL MTX Cable Color Code
Wire Color
Pin #
≤14 POWERCELLS
1 Yellow
2 Blue
3 Black
4 Brown
5 Green
6 Orange
7 Red
8 White
External Power Supply Connections
9 –
10 –
METTLER TOLEDO IND780 Installation Guide
>15 POWERCELLS
Yellow
Blue
Black
Brown
Green
Orange
Red
White
Red / +12V
Black / GND
2-29