RKI Instruments Beacon 110 Operating Manual
Beacon 110 Gas Monitor
Operator’s Manual
Part Number: 71-0110RK
Revision: H
Released: 12/5/17
RKI Instruments, Inc.
www.rkiinstruments.com
Product Warranty
RKI Instruments, Inc., warrants gas alarm equipment sold by us to be free from defects in
materials, workmanship, and performance for a period of one year from date of shipment
from RKI Instruments, Inc. Any parts found defective within that period will be repaired or
replaced, at our option, free of charge. This warranty does not apply to those items which
by their nature are subject to deterioration or consumption in normal service, and which
must be cleaned, repaired, or replaced on a routine basis. Examples of such items are:
Warranty is voided by abuse including mechanical damage, alteration, rough handling, or
repair procedures not in accordance with the operator’s manual. This warranty indicates
the full extent of our liability, and we are not responsible for removal or replacement costs,
local repair costs, transportation costs, or contingent expenses incurred without our prior
approval.
a) Absorbent cartridges d) Batteries
b) Pump diaphragms and valves e) Filter elements
c) Fuses
THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER
WARRANTIES AND REPRESENTATIONS, EXPRESSED OR IMPLIED,
AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF
RKI INSTRUMENTS, INC., INCLUDING BUT NOT LIMITED TO, THE
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. IN NO EVENT SHALL RKI INSTRUMENTS,
INC., BE LIABLE FOR INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
LOSS OR DAMAGE OF ANY KIND CONNECTED WITH THE USE OF
ITS PRODUCTS OR FAILURE OF ITS PRODUCTS TO FUNCTION OR
OPERATE PROPERLY.
This warranty covers instruments and parts sold to users by authorized distributors,
dealers, and representatives as appointed by RKI Instruments, Inc.
We do not assume indemnification for any accident or damage caused by the operation of
this gas monitor, and our warranty is limited to the replacement of parts or our complete
goods.
Beacon 110 Operator’s Manual
Table of Contents
Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
About the Beacon 110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Chapter 2: Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
External Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Internal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Optional Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chapter 3: Installation & Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Mounting the Beacon 110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Wiring the Beacon 110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Chapter 4: Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4 - 20 mA Signal Output Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Viewing and Resetting Min/Max Readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Battery Charging (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Alarm Indications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Chapter 5: Configuration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Viewing & Changing Beacon 110 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Beacon 110 Operator’s Manual
Chapter 6: Input Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Selecting the Detector Head Input and Gas Type . . . . . . . . . . . . . . . . . . . . . . . 30
Chapter 7: Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Calibration Frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Calibration Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Replacing the Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Appendix A: Control Button Quick Reference Guide. . . . . . . . . . . . . . . . . . . . . . . . 43
Beacon 110 Operator’s Manual
Chapter 1: Introduction
Overview
This chapter briefly describes the Beacon 110 Gas Monitor. This chapter also describes
the Beacon 110 Operator’s Manual (this document). Table 1 at the end of this chapter lists
the specifications for the Beacon 110.
About the Beacon 110
The Beacon 110 is a fixed mount, single channel continuous-monitoring gas monitoring
controller. All user adjustable parameters may be accessed using push button switches.
Both direct connect (internal amplifier type) detector heads and 4 - 20 mA transmitter
(remote amplifier type) detector heads may be used with the Beacon 110.
The Beacon 110 displays the current gas reading on an LCD display which is visible
through a window in the door. It includes audible and visual alarms that warn you of
hazardous gas conditions. The alarm circuit includes two levels of gas alarms. The fail
circuit alerts you to failures in the gas detector heads or Beacon 110. The Beacon 110
provides a 4 - 20 mA signal proportional to the target gas reading for use by a recording
device. Three sets of relay contacts, two controlled by the gas alarms and one by the fail
alarm, rated at 10 amps 115 VAC, 10 amps 220 VAC, and 10 amps 30 VDC are available
for controlling devices such as lights or horns or for controlling higher rated relays.
Three operating modes allow you to display and change setup and calibration settings and
change the detector head input type. They are Calibration Mode, Configuration Mode, and
Input Mode.
About this Manual
The Beacon 110 Operator’s Manual uses the following conventions for notes, cautions,
and warnings.
NOTE: Describes additional or critical information.
CAUTION: Describes potential damage to equipment.
WAR NING: Describes potential danger that can result in injury or death.
Beacon 110 Operator’s Manual 1
Specifications
Table 1 lists specifications for the Beacon 110.
Table 1: Beacon 110 Specifications
Input Power 100/115/220V ~ ±10%, 50/60Hz, 0.2/0.2/0.1A
or
24 V ± 10%, 0.5A
Construction (housing) Fiberglass/polyester with lexan window (NEMA 4X)
Dimensions 8.5 in. H x 6.5 in. W x 4.5 in. D
(216 mm H x 165 mm W x 108 mm D)
Weight 4.2 lbs.
Safety/Regulatory
C US
186718
Environmental Conditions • For indoor or outdoor locations (Type 4X)
• -20°C to 50°C (-4°F to 122°F) ambient
• Maximum relative humidity of 80%
• Main supply voltage fluctuations not exceeding ± 10% of nominal
• DC supply voltage fluctuations not exceeding ±10% of nominal
• Overvoltage Category II, Pollution Degree 2
Relays • Relay contacts rated for 10A @ 115/220V~ resistive or 10A @ 3 0 V
User Controls • Three push button control switches
Signal Output • 4 to 20 mA, 500 ohms impedance max
resistive
• SPDT Form C
• One ON/OFF toggle switch
• One push button reset switch
2 Beacon 110 Operator’s Manual
Chapter 2: Description
Overview
This chapter describes external and internal components of the Beacon 110 gas monitor.
External Description
This section describes the housing and all external components of the Beacon 110. For
the purposes of this description, the housing door is considered the front of the monitor.
Housing
The Beacon 110’s fiberglass housing is weather- and corrosion-resistant. It is suitable for
installation where general purpose equipment is in use. The housing door is hinged on the
left side and is secured by two latches on the right side. The display screen and status
lights are visible through a window in the housing door. Four mounting feet are attached to
the back of the housing (one at each corner). The mounting feet allow installation to a
vertical surface. Two conduit hubs on the bottom of the housing are for external wiring
connections. In some cases, the instrument is shipped with the gas detector already
installed in the right conduit hub and factory wired to the appropriate terminals inside the
unit.
CAUTION: Only use the two factory installed conduit hubs on the bottom of the
housing for wire entry into the housing. Do not drill the housing for any
reason.
CAUTION: To avoid electrical interference, do not route detector and power wiring
through the same conduit hub.
Buzzer
The buzzer is on the bottom center of the housing in front of the reset switch. The buzzer
sounds audible alarms to warn you of gas alarms and instrument failures.
Reset Switch
The reset switch is on the bottom of the housing behind the buzzer. The reset switch
serves three functions:
• You can reset the alarm circuits for “latched” alarms after an alarm 1 or alarm 2
condition passes.
• You can silence the buzzer during an alarm 1 or an alarm 2 condition. You cannot
silence a fail condition.
• You can acknowledge and turn off the optional strobe in an alarm 1 or alarm 2
condition if it has been installed and setup for this type of operation.
• You can display and reset the minimum and maximum readings that the Beacon 110
has experienced since the last min/max reset or startup.
Beacon 110 Operator’s Manual 3
Internal Description
DC Power
Polyfuse
Relay (3X)
Detector/
Transmitter
Terminal
Strips
Main PCB
Power
Sw itch
AC Fuses
Power Supply
Reset Switch
Control
Terminal
Strip
Alarm Terminal
Strip
Buzzer
Conduit Hubs (2X)
Control PCB
AC IN
Terminal
Strip
This section describes the internal components of the Beacon 110.
Figure 1: Beacon 110 Component Location
Main Printed Circuit Board (PCB)
The main PCB is mounted inside the housing. The main PCB includes the power supply,
terminal strips, relays, fuses, and power switch.
Power Supply
The power supply is located on the left side of the main PCB. It takes AC line voltage
supplied to the Beacon 110 and converts it to 24 VDC which is used to run the Beacon
110.
4 Beacon 110 Operator’s Manual
Terminal Strips
The Beacon 110 includes terminal strips for external and factory wiring connections. See
“Wiring the Beacon 110” on page 13 for detailed wiring procedures.
• AC In Terminal Strip. The AC in terminal strip is a 3-point terminal strip located in the
lower left corner of the main PCB. It facilitates wiring from the AC power source.
Table 2 lists the function of each terminal.
Table 2: Terminal Assignments for the AC In Terminal Strip
Terminal Connects to:
L Hot (line) wire from AC power source.
N Neutral wire from AC power source.
G Earth ground
• Alarm Terminal Strip. The 9-point alarm terminal strip is located along the bottom
edge of the main circuit board to the right of the AC in terminal strip (see Figure 1). It
facilitates wiring external alarm devices (horn, strobe, etc.) to the alarm relay contacts
and includes common (C), normally closed (NC) and normally open (NO) terminals for
fail, alarm 1, and alarm 2.
• Controller Terminal Strip. The 8-point controller terminal strip is located along the
bottom edge of the main circuit board to the right of the alarm terminal strip (see
Figure 1). The controller terminal strip facilitates various internal and external wiring
connections. Table 3 lists the function of each terminal.
Table 3: Terminal Assignments for the Controller Terminal Strip
Terminal Connects to:
Alarm Buzzer + & - Factory installed buzzer (factory-wired)
Alarm Reset (2) Reset switch (factory-wired)
4 - 20 mA Output + + connection of 4 - 20 mA output
4 - 20 mA Output - - connection of 4 - 20 mA output
EXT DC (24V BATT) +
EXT DC (24V BATT) -
1
*
If DC power is used as the primary power source, do not make wiring connections to the AC terminal strip.
+ connection from 24 VDC power source
- connection from 24 VDC power source
1
(or 24 V backup battery)
1
(or 24 V backup battery)
• Detector/Transmitter Terminal Strips. Three adjacent terminal strips are located
along the right side of the main circuit board above the controller terminal strip (see
Figure 1). These three terminal strips facilitate wiring connections to a detector or a 4 20 mA transmitter. The lower 4-point terminal strip is labelled LEL and is used to wire
a combustible detector. The middle 2-point terminal strip is labelled Oxy and is used
to wire an oxygen detector. The top 3-point terminal strip is labelled AMP and is used
to wire 4 - 20 mA transmitters or direct connect preamp type detectors. Although
terminal strips are present for various types of detectors, only one detector head at a
time may be wired to the Beacon 110.
Beacon 110 Operator’s Manual 5
Ground Stud
The threaded ground stud is used for making connections to earth ground. It is connected
through the main PCB to the G (ground) terminal on the AC in terminal strip. A kep nut on
the stud may be removed for installation of one or more lugs to make wiring connections.
This stud is typically used to connect the shield drain wire of shielded cable to earth
ground at the Beacon 110.
Relays
The Beacon 110 includes three alarm relays located above the alarm terminal strip. They
are from left to right Fail, Alarm 1, and Alarm 2. The relays are form C, single-pole, doublethrow (SPDT) and rated for 10 amps at 250 VAC (resistive).
NOTE: You can select normally energized (N.EN) or normally de-energized (N.DE-EN)
settings for the alarm 1 and alarm 2 relays. See “Chapter 5: Configuration
Mode” on page 27.
The fail relay is factory set as normally energized and is not user adjustable.
AC & DC Circuit Protection
Two AC fuses are used in the Beacon 110. The two fuses are located on the left side of
the main PCB, above the AC power terminal strip and below the power supply. They cut
off the incoming AC power in the event of a short circuit or other electrical fault which
causes a high current draw in the Beacon 110. They are housed in vertical fuse holders
and are held in the holder by a quarter turn cover. They are labelled as F1 (left fuse) and
F2 (right fuse) on the PCB silk-screen and are rated at 3 A, 250 V.
A polyswitch is used to protect the DC power input. It is located to the right of the relays
and is labelled on the PCB silkscreen as PS3. In the event of a short circuit or other
electrical fault which causes a high current draw in the Beacon 110, the polyswitch will
interrupt the DC power if the unit is powered from DC. When the fault situation is
corrected, the polyswitch resets and the unit will continue to operate. The polyswitch is not
user serviceable.
Power Switch
The power switch is located to the right of the power supply and above the relays (see
Figure 1). The power switch turns the incoming AC power source on and off at the Beacon
110. When the switch is up, the power switch is on.
CAUTION: The DC power input has no on/off switch and is not affected by the position
of the power switch.
Control PCB
The LCD display and control buttons are located on the control PCB. It is installed on the
main PCB with three standoffs. The control PCB is connected to the main PCB with the
display cable which is a ribbon cable terminated with 20 position rectangular connectors
on each end. The display cable connects to the control PCB on the back of the top edge
and to the main PCB directly below the control PCB.
6 Beacon 110 Operator’s Manual
UP/YES DOWN/NO
ENTER
F
A1 A2
Control Switches
Fail LED
Alarm 1 LED
Alarm 2 LED
LCD Display
Contrast
Potentiometer
Figure 2: Control PCB Component Location
LCD Display
The LCD display is located at the top of the control PCB. It indicates the current gas
reading and displays messages and parameters in the Beacon 110’s operating modes.
Contrast Potentiometer
The contrast potentiometer is located to the right of the LCD display. It is used to adjust
the contrast of the LCD. If the background of the LCD appears so dark that the characters
are not visible or if the characters are too dim, turn the adjustment screw on the
potentiometer clockwise or counterclockwise until the desired visibility is obtained.
Control Buttons
The Beacon 110 includes three push button switches that allow you to enter the Beacon
110’s operating modes, navigate through the modes, update settings, and save changes
to the settings. The push button switches are located along the bottom edge of the control
PCB (see Figure 2). The UP/YES button is on the left, the DOWN/NO button is in the
middle, and the ENTER button is on the right.
Table 4: Beacon 110 Control Button Functions
Switch Function
UP/YES • Saves settings
• Changes the displayed setting
• Enters Calibration Mode
• Enters Input Mode (press with DOWN/NO button)
• Enters Configuration Mode (press with ENTER button)
DOWN/NO • Cancels setting changes
Beacon 110 Operator’s Manual 7
• Changes the displayed setting
• Enters Input Mode (press with UP/YES button)
• Displays the Information Screen
Table 4: Beacon 110 Control Button Functions
Switch Function
ENTER • Initiates operations
• Enters Configuration Mode (press with UP/YES button)
• Accepts displayed parameters
Status LEDs
The Beacon 110 includes three active status LEDs that are located above the display (see
Figure 1). Two LEDs, labelled RX and TX, to the right of those described below, are not
active.
• Fail LED
The fail LED turns on when the Beacon 110 is experiencing a fail condition. A fail
condition can be caused by a detector failure or low detector signal.
• Alarm 1 LED
The alarm 1 LED is on when the Beacon 110 is experiencing an alarm 1 condition.
• Alarm 2 LED
The alarm 2 LED is on when the Beacon 110 is experiencing an alarm 2 condition.
8 Beacon 110 Operator’s Manual
Optional Accessories
Strobe Terminal Strip
This section describes the optional accessories available for the Beacon 110. Both
optional accessories are wired to the Strobe Terminal Strip as shown below.
Figure 3: Strobe Terminal Strip Location
Beacon 110 Operator’s Manual 9
Alarm Strobe
Alarm S trobe
The Beacon 110 can be ordered with a red alarm strobe light installed on the top of the
housing. The Beacon 110 retains its NEMA 4X rating with the strobe installed. Strobe
operation can be programmed in Configuration Mode (see “Chapter 5: Configuration
Mode” on page 27). The outline and mounting dimensions of the Beacon 110 with the
optional alarm strobe mounted are the same as the standard Beacon 110 without the
strobe. See Figure 6 for outline and mounting dimensions.
Figure 4: Beacon 110 with Alarm Strobe
Horn/Strobe
The Beacon 110 can be ordered with a horn/strobe. This optional horn/strobe allows the
user to have both a strobe and a horn connected to the “Strobe” terminals of the Beacon
110. If the horn/strobe is not factory installed, it also allows the user to mount the horn/
strobe away from the Beacon 110 so that it can be somewhere more visible/audible.
Strobe operation can be programmed in Configuration Mode (see “Chapter 5:
Configuration Mode” on page 27).
10 Beacon 110 Operator’s Manual
NOTE: See “Chapter 3: Installation & Startup” on page 12 for complete Beacon 110
+
Dimensions Shown in Inches
-
5.97
6.81
4.83
6.17
Strobe Terminal Strip
installation instructions.
CAUTION: Do not adjust the strobe b rightness or the horn volume at the strobe/horn, as this
may overload the Beacon 110 strobe control circuit.
The optional horn/strobe is generally not factory installed and needs to be installed by the
user. The following instructions describe the installation of the horn/strobe. If the horn/
strobe is factory installed, the following instructions do not apply.
1. Mount the horn/strobe in the desired location.
2. Install an appropriately rated cable bushing or conduit to the left conduit hub on the
bottom of the Beacon 110 housing.
3. Install an appropriately rated cable bushing or conduit at the horn/strobe.
4. Run a cable or wires in conduit from the horn/strobe to the Beacon 110 through the left
conduit hub.
5. Connect the wires to the strobe terminal strip as shown in the figure below.
Figure 5: Horn/Strobe Wiring/Outline and Mounting Dimensions
Beacon 110 Operator’s Manual 11
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