Mettler Toledo PS15 Specifications download pdf (Page 37)

Chapter 5: Service and Maintenance

Installing the Base Mount Display

(09/03) 5-3

Main PCB

From PC - DB9-F RS232

SERIAL PORT

To PS – RJ-12

2 RECEIVE 2 TRANSMIT

3 TRANSMIT 3 RECEIVE

5 SIG

GROUND

4 SIG

GROUND

Table 1 Standard PC RS232 DB9 To PS15

To test the Main PCB: (Unit must be setup for standard MT communications

(Default)):

1. Start your communications software such as ComTool (Part Number

KN000000K64).

2. Setup your software for:

• 7 data bits

• Even parity

• 1 stop bit

• Baud rate that matches the computer’s baud rate

Blank or Half Display

Remove power then check the display interface harness from the scale to the

display. Apply power the unit. If the blank display continues, replace the

0270 Display.

No Keypad Interaction

To test operation of the keypad, remove power, then reapply. With power to

the unit, and the W1 calibration jumper installed, attempt to enter setup mode

by pressing and holding the UNITS key. If the display does not indicate setup

mode, replace the 0270 Display.

Display Locked

To test operation of the display, remove power, then reapply. With power to

the unit, add weight. If no motion is displayed, replace either the load cell or

the Logic PCB.

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Mettler Toledo PS15 Specifications Page 37