Avery Weigh-Tronix ZM401, Руководство по обслуживанию

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ZM400 Series Indicators Service Manual 17
2.2 Powering up the ZM400
2.2 Powering up the ZM400
The indicator is always active as long as power is received. Power can be supplied by:
l
AC power cord connected to a properly grounded outlet (100 VAC - 240 VAC,
50 or 60 Hz)
l
External 12VDC @ 1.2 Amps up to 36VDC @400mA (14.4 Watts). These are
the power requirements for a fully loaded unit (16 x 350 load cell, 500mA out
the 5V COM port terminal block, 500mA load on USB Host, and Wireless
option card installed).
l
AC to 24VDC power converter (optional accessory for panel mount version)
l
Optional external battery pack with 4 D cells:
1 x 350 ohm load cell = 6 hours battery life
4 x 350 ohm load cell = 4 hours battery life
8 x 350 ohm load cell = 1 hour battery life
(See
D-cell Battery pack option (AWT05-505852) and external battery
circuitry on page 148 for more information.)
2.3 Alphanumeric entry procedure (ZM401 only)
The keys in Figure 2.2 have alternate functions in alphanumeric entry screens.
Figure 2.2 Key function during numeric entry
Use the keys, as described in Figure 2.2 , to enter an alphanumeric value on the display.
For alphanumeric menu entries the graphics display will only show the last six
characters entered. Following is an example:
Example: To key in ZM4:
Repeatedly press the TARE(

) or SELECT(

) key until Z appears on the display.
Press the UNITS(

) key once to move cursor one space to the right.
Repeatedly press the TARE(

) or SELECT(

) key until M appears on the display.
Press the UNITS(

) key once to move cursor one space to the right.
Repeatedly press the TARE(

) or SELECT(

) key until 4 appears on the display.
Press the ZERO key to enter or accept the value.
Press the PRINT(

) key to move the entry function one digit to the left. This effectively
deletes the current value in that position and allows you to enter a new value in that
position.
These segments flash in alphanumeric entry mode
Press to increment the flashing number
Press to decrement the flashing number
Press to backspace cursor in a number
Press to advance cursor in a number
Press to accept a value
Press to escape an entry screen
TARE / -
SELECT / -
PRINT / -
UNITS / -
ZERO / -
F1 / ESC -
When the graphic display is present you can scroll through numbers, alpha
characters and symbols by repeatedly pressing the
TARE or SELECT keys.