RKI Instruments Beacon 800 - Manual (Page 19)

Beacon 800 Gas Monitor Operator’s Manual Starting Up the Beacon 800 Gas Monitor • 16
Figure 9 below illustrates typical transmitter wiring connections.
NOTE: If your Beacon 800 includes the recorder output board or heavy duty relay board,
see “Chapter 7: Optional Recorder Output Board & Heavy Duty Relay Board” on
page 32 for wiring instructions.
Starting Up the Beacon 800 Gas Monitor
Perform the following procedure to place the Beacon 800 into normal operation.
1. Complete the mounting and wiring procedures described earlier in this chapter.
2. Complete all installation procedures described in the detector head or user supplied 4
- 20 mA transmitter instruction manual.
3. Verify that all wiring connections are correct and secure and that the Beacon 800’s
power switch is in the OFF position.
4. Plug in or turn on the incoming power source (AC or DC) at the power source end.
5. Place the Beacon 800’s power switch in the ON position. RKI INSTRUMENTS
appears on the top display and BEACON 800 appears on the bottom display for a few
seconds, then WARMING UP appears for each active channel. The warm-up period
will last for one minute.
NOTE: To prevent unwanted alarms during warm up, the alarm circuits are not active
while the WARMING UP message is displayed.
6. Verify that the PILOT light is on. If the PILOT light is not on, see the troubleshooting
guide in Chapter 6, Maintenance.
7. Perform the start-up procedure for each detector head or user supplied 4 - 20 mA
transmitter as described in the detector head or transmitter instruction manual.
NOTE: If your Beacon 800 includes the optional Recorder Output Board or the Heavy
Duty Relay Board, please see “Chapter 7: Optional Recorder Output Board &
Heavy Duty Relay Board” on page 32 for a complete description of these
components.
Beacon 800
Transmitter Terminal Strip
-
FB
Transmitter
3-Wire Connection
+
+ S -
CH1
(24 VDC)
(4 - 20 mA)
(DC Ground)
Beacon 800
Transmitter Terminal Strip
2-Wire Connection
+ S -
CH1
FB
Transmitter
+ (24 VDC)
(4 - 20 mA)
Figure 9: Generic 4 to 20 mA Transmitter Output Wiring