Datamate 2200 O&M
Page 20
SECTION 5: INPUT/OUTPUT WIRING
5.1 General Guidelines
The Datamate 2200 provides up to three (3) 4-20mA outputs (with HART option), and one
(1) quadrature pulse output. (Refer to Figure 3.5.2 for Input/Output Cable Connections.)
CAUTION: NEVER install or remove any board with the Datamate 2200 transmitter
power on.
WARNINGS:
• INCORRECT WIRING OF INPUT/OUTPUT CONNECTIONS IN A HAZARDOUS
AREA COULD RESULT IN AN EXPLOSION.
• WIRING FROM INPUT/OUTPUT CONNECTIONS IS NOT INTRINSICALLY SAFE.
• INPUT/OUTPUT WIRING AND TRANSDUCER SIGNAL WIRING SHOULD BE
SEPARATED.
• ALL INPUT/OUTPUT CONNECTION DRAWINGS SHOULD BE FOLLOWED TO
ENSURE CORRECT OPERATION.
5.2 4-20mA Output
The 4-20mA output is an active output that can represent any of the measured or
calculated variables except totals. The 4-20mA output does not require external power
and is galvanically isolated to 2.5 Kv from earth ground.
NOTE: The analog return (negative) terminal is common to all of the 4-20mA
outputs and can be grounded together. If the output communicates via HART
®
protocol, the analog return (negative) terminal should be grounded for optimal
performance.
Figure 5.2.1: 4-20mA Output Wiring Connections
DATAMATE
FIELD WIRING
Summary of Contents for Datamate 2200
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