Manual

DT220 Users Manual version 1.a Introduction
1
Introduction
Congratulations on your purchase and welcome to the DT220 User's Manual. This
manual describes the installation, calibration and setup, and operation of the DT220
weigh scale indicator. The DT220 is a Weigh Scale Indicator Data Terminal with rugged
design and state-of-the-art technology. It is designed for use in industrial environments to
perform the following functions:
• Data Collection – the DT220 collects data from the A/D, serial communication ports,
TTL inputs, and the full alpha/numeric keyboard.
• Database Management – up to 6 data tables are available for organizing, storing and
reporting data.
• Additional Functions - trip level event monitor, programmable "Scale Basic"
functions, TTL level 'setpoint' inputs and outputs, and remote control via TTL inputs
or RS232 serial input.
The DT220 has the following interfaces:
Three bi-directional serial communication ports that are used for printer output, bar code
input, computer communications, and remote control applications. The serial ports
support RS232, RS422, RS485, and 20ma Current Loop communication.
One parallel TTL port for output to a printer.
TTL inputs (7) and TTL outputs (8).