Chapter 4 Wiring; Power, Alarm, And Output Wiring; Power; Analog Output Wiring - Emerson Rosemount MCL-220 Manual

4 Wiring
4.1

Power, alarm, and output wiring

WARNING!
RISK OF ELECTRICAL SHOCK
Electrical installation must be in accordance with the National Electrical Code (ANSI/NFPA-70)
and/or any other applicable national or local codes.
4.1.1

Power

Wire AC mains power supply to the power supply board, which is mounted vertically on
the left hand side of the transmitter enclosure.
The power connector is at the top of the board.
Procedure
1.
2.
3.
4.1.2

Analog output wiring

Two analog current outputs are located on the main circuit board, which is attached to the
inside of the enclosure door.
Figure 4-1
TB-1 is output 1. TB-2 is output 2. Polarity is marked on the circuit board.
Instruction Manual
Unplug the connector from the board and wire the power cable to it.
Lead connections are marked on the connector. (L is live or hot; N is neutral; the
ground connection has the standard symbol.)
Provide a switch or breaker to disconnect the transmitter from the main power
supply.
Install the switch or breaker near the transmitter and label it as the disconnecting
device for the transmitter.
shows the location of the terminals. The connectors can be detached for wiring.
Wiring
13