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LCD 503
 
 
 
 
 
 
 
Distributor :
Omniabit S.r.l. Via Valcamonica, 11 20128 Milano MI
Tel. 02973728.11 Fax 022573548 www.omniabit.com

LCD 503

General purpose communicator.

OVERALL
Standard 503 wall mounted frame format
Protected DC 12-15V 0.1 A on the same RS485 bus

RS485
Standard RS485 port GND Data+ Data- +12VCC
RS232
Standard RS232 RX-TX V24 level, internal connector

Architecture
Fully programmable PIC18F252 with external 64Kb I2C flash memory, bootloader on the CPU
8 keys mini keyboard for easy input procedure, structured menus allowable
Another keyboard with a single 5 keys cellular style navigator knob, is available with temperature sensor and beeper onboard
Serial mode select RS485 or RS232 configurable by internal dip switches
2x16 characters backlite DSTN LCD display, backlite status controllable byfirmware, it can be ON, OFF or flashing
The device is tipically used as RS485 communicator versus other devices , like a TMS module or a MC-8x6
crosspoint switch.
The device is always ready and can help in situation where, for example, the LAN is down.