ELZAB Prima 2, User Manual

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User Manual PRIMA 2 scale ELZAB S.A.
2.5. Description of connectors
CASH REGISTER/PC (RS232) connector
– is used to connect cash register or PC
Contact No. Signal name
1, 2 +5V–cash register power supply input
3 TxD-serial output
4 RxD-serial input
5, 6 GND
PC
PC/TERMINAL (USB) connector–
is used to connect a PC
Contact No. Signal name
1 +5V–cash register power supply input
2 D -
3 D +
4 GND
ADDITIONAL DISPLAY connector– is used to connect an additional external display
Contact No. Signal name
1, 2 +5V – display power supply output
3 TxD – serial output
4 --------
5, 6 GND
3. Technical conditions of installation and operation of the scale
3.1. Installation of the scale
x
the scale should be placed on a stable and level surface,
x
the scale should be leveled so that the air bubble level indicator was in the center of the
circle drawn on the indicator. Level the scale with adjustable bolts. After having leveled the
scale check for stability (all bolts touch the ground) and whether the platter is correctly
placed on the feet,
x
if the scale is working with an external display mount the display on the countertop of the
cash box. Connect the display to the scale,
x
connect the USB or RS232 scale interface cable with the communicating device. Do not
connect or disconnect the interface while using the scale as this may damage the interface.
3.2. Environment
x
The scale can be operated at temperatures from -10 to +40 ° C and humidity up to 85% in
an atmosphere free from corrosive substances. After a sudden change in temperature by
more than 5 ° C the scale should acclimate for 2 hours before connecting the power supply
(e.g. putting the scale into warm room after having transported it in the cold). Do not allow
the formation of condensation. When working in areas with higher humidity, but within the
limits stated above, it is advisable to turn off the power for 24 hours.
x
The scale may not be subject to shocks and vibrations, can’t work near sources of strong
electromagnetic fields, can’t be exposed to strong sunlight for long periods and can’t work
in the direct stream of air or in dusty areas.