Mettler Toledo MT User's Guide download pdf (Page 122)

IND780 User’s Guide

11. Unscrew and remove the six screws holding the main PCB to the enclosure.

Their locations are circled in Figure 3-53. In the case of a panel mount

terminal, the four outer fasteners will be hex post stand-offs, as shown in

Figure 3-54.

Figure 3-54: Stand-Off on Main PCB

12. Carefully lift the PCB out of the enclosure and set it on a static-free mat.

Main PCB Installation

All mounting screws should be installed with 23 inch pounds (2.6 Nm) of torque.

1. Position the main PCB board over the six stand-offs in the terminal enclosure.

2. Install the hex post stand-offs:

A. For a panel mount terminal, install screws in the center holes and in the

four hex post stand-offs in the outer holes (see Figure 3-54).

3. For a harsh enclosure terminal, install six screws.

3. Reconnect all peripherals – COM1, COM2, Ethernet, USB, power and video.

4. Install option boards as necessary.

5. Reconnect the PLC interface module cable or connectors if appropriate.

6. Replace the rear cover or front panel.

ETX Board

ETX Board Removal

To remove the ETX board from the main PCB, first remove the main board from the

IND780 chassis. Then:

1. Remove the two screws holding the lower card guide and the ETX board to the

main PCB (Figure 3-53). The locations of these screws are indicated in Figure

3-55.

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Mettler Toledo MT User's Guide Page 122