Starting up the beacon 410 gas monitor – RKI Instruments Beacon 410 User Manual

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22 • Starting Up the Beacon 410 Gas Monitor

Beacon 410 Gas Monitor Operator’s Manual

page 41 for instructions to setup a new channel.

Perform the following procedure to connect a 4 - 20 mA transmitter which you supply to
the Beacon 410.

Turn off or unplug power to the Beacon 410.

Open the Beacon 410 door and turn off the power switch.

CAUTION: The power switch does not control DC input power.

See the transmitter’s operator’s manual for instructions on how to connect wires to the
transmitter.

Install an appropriately rated cable bushing or conduit in an unused conduit hub on
the bottom of the Beacon 410 housing.

Route the wires from the transmitter through the selected conduit hub into the Beacon
410.

Connect the wires from the transmitter to the appropriate channel’s
detector/transmitter terminal strip. See the transmitter operator’s manual for controller
terminal connections and wiring recommendations.

CAUTION: Do not route power and transmitter wiring through the same conduit hub. The

power wiring may disrupt the transmission of the transmitter’s signal to the
Beacon 410.

Figure 13 below illustrates typical transmitter wiring connections.

Starting Up the Beacon 410 Gas Monitor

Perform the following procedure to place the Beacon 410 into normal operation.

Complete the mounting and wiring procedures described earlier in this chapter.

Complete all installation procedures described in the detector head or user supplied
4 - 20 mA transmitter operator’s manuals.

Verify that all wiring connections are correct and secure and that the Beacon 410’s
power switch is in the OFF position.

2-Wire Connection

3-Wire Connection

4 - 20 mA Transmitter Terminals
From Detector/Transmitter
Terminal Strip, Typical of 4

AMP

4 - 20 mA
+ 24 VDC

2-Wire 4 - 20
mA Transmitter

3-Wire 4 - 20
mA Transmitter

- (DC Ground)
4 - 20 mA
+ 24 VDC

AMP

Figure 13: Generic 4 to 20 mA Transmitter Wiring