User's Manual

NOMAD
™
- W4-2 SCALES
O
PERATING
I
NSTRUCTIONS
P
AGE
11 of
13
28-Oct-2001
5.4.2 Timeout
1. Ensure the scales are in supervisor mode.
2. Press ‘8’ then ‘ENT’.
3. Enter ‘93070xxx’ (replace the ‘x’s with the desired timeout in 1 second
increments).
4. The scales will restart.
6. CONNECTING THE SCALES
Each load cell should be terminated in a DB9 plug (pin contacts) as follows.
1. NOT CONNECTED
2. - SENSE
3. NOT CONNECTED
4. + SENSE
5. NOT CONNECTED
6. + EXCITATION
7. + EXCITATION MONITOR
8. - EXCITATION
9. - EXCITATION MONITOR
If using load cells with only four wires connect the excitation monitor
lines to the excitation lines.
The load cells may be connected in any order but it will be necessary to
note which cell is connected to which input for calibration purposes.
7. MAINTENANCE
7.1 BATTERIES
The scales are fitted with 7 x AA size 1.5Ah NiMH rechargeable batteries.
With normal usage these should remain serviceable for 2 years.