Bacharach MGS-150 Owner's Manual
Multi-Channel Input
Single- and Dual-Alarm
Controllers
Installation and Operation Manual
Instruction 6709-9000
Revision 1 – October 25, 2012
Product Leadership • Training • Service • Reliability
MGS Series Controller Manual
WARRANTY POLICY
BACHARACH, I NC. WARRANTS THIS INSTRUMENT, E XCLUDING SENSORS, TO BE
FREE FROM DEFECTS IN MATERIALS AND WORKMANSHIP FOR A PERIOD OF ONE
YEAR FROM THE DATE OF PURCHASE BY THE ORIGINA L OWNE R. THE SE NSORS
HAVE A WARRANTY PERIOD OF ONE YEAR FROM THE DATE OF PURCHASE. IF
THE PRODUCT SHOULD BECOME DEFECTIVE WITHIN THIS WARRANTY PERIOD,
WE WILL REPAIR O R REPLACE IT AT OUR DISCRETION.
THE WARRANTY S TATUS MAY BE AFFECTED IF THE INSTRUMENT HAS NOT BEEN
USED AND MAINTAINED PER THE INSTRUCTIONS IN THIS MANUAL OR HAS BEEN
ABUSED, DAMAGED, OR MODIFIED IN ANY WAY. THIS INSTRUMENT IS ONLY TO BE
USED FOR PURPOSES STATED HEREIN. THE MANUFACTURER IS NOT LIABLE FOR
AUXILIARY INTER FACED EQUIPMENT OR CONSEQUENTIAL DAMAGE.
DUE TO ONGOING RESEARCH, DEVELOPMENT, AND PRODUCT TESTING, THE
MANUFACTURER RESERVES THE RI GHT TO CHANGE SPECIFICATIONS WITHOUT
NOTICE. THE INFORMATIO N CONTAINED HEREIN IS BASED ON DATA CONSIDERED
ACCURATE. HOWEVER, NO WARRANTY IS EXPRESSED OR IMPLIED REGARDING
THE ACCURACY OF THIS DATA.
ALL GOODS MUST BE SHIPPED TO THE MANUFA CTURER BY PREPAID FREIGHT.
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MERCHANDISE AUTHORIZATION (RMA) NUMBE R. CONTACT THE MANUFACTURER
FOR A NUMBER AND PROCEDURES REQUIRED FOR PRODUCT TRANSPORT.
SERVICE POLICY
BACHARACH, INC. MAINTAINS AN INSTRUMENT SERVICE FACILITY AT THE
FACTORY. SOME BACHARACH DIS TRIBUTORS / AGENTS MAY ALSO HAVE REPAIR
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FILTERS AND BATTERIES HAVE INDIVIDUAL WARRANTIES). SHOULD YOUR
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IF BACHARACH IS TO DO THE REPAIR WORK, SEND THE INSTRUMENT, PREPAID,
TO BACHARACH, INC. AT THE FOLLOWING ADDRESS.
BACHARACH, INC.
621 HUNT VALLEY CIRCLE
NEW KENSINGTON, PA 15068
ATTENTION: SERVICE DEPARTMENT
ALWAYS INCLUDE YOUR RMA #, ADDRESS, TELEPHONE NUMBER, CONTACT
NAME, SHIPPING/BILLING INFORMATION AND A DESCRIPTION OF THE DEFECT AS
YOU PERCEIVE IT. YOU WILL BE CONTACTED WITH A COST ESTIMATE FOR
EXPECTED REPAIRS PRIOR TO THE PERFORMANCE OF ANY SERVICE WORK. FOR
LIABILITY REASONS, BACHARACH HAS A POLICY OF PERFORMING ALL NEEDED
REPAIRS TO REST ORE THE INSTRUMENT TO FULL OPERATING CONDITION.
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PRIOR TO SHIPPING EQUIP MENT TO B ACHA RACH, CONT ACT OUR OFF ICE FOR AN
RMA # (RETURNED MERCHANDISE AUTHORIZATION). ALL RETURNED GOODS
MUST BE ACCOMPANIED WITH AN RMA NUMBER.
PACK THE EQUIPMENT WELL (IN ITS ORIGINAL PACKING IF POSSIBLE), AS
BACHARACH CANNOT BE HELD RESPONSIBLE FOR ANY DAMAGE INCURRED
DURING SHIPPING TO OUR FACILITY.
NOTICES
MGS Series Controller Manual
COPYRIGHTS: THIS MANUAL IS SUBJECT TO COPYRIGHT PROTECTION; ALL
RIGHTS ARE RESERVED UNDER INTERNATIONAL AND DOMESTIC COPYRIGHT
LAWS. THIS MANUAL MAY NOT BE COPIED OR TRANSLATED, IN WHO LE OR IN
PART, IN ANY MANNER OR FORMAT, WITHOUT THE WRITTEN PERMISSION OF
BACHARACH, INC.
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LOADED ONTO MORE THAN ONE COMPUTER, EXTRA SOFTWARE LICENSES MUST
BE PURCHASED.
TECHNICIAN USE ONLY
THIS UNIT MUST B E INSTALLED BY A SUITABLY QUALIFIED TECHNICIAN WHO WILL
INSTALL THIS UNIT IN ACCORDANCE WITH THESE INSTRUCTIONS AND THE
STANDARDS IN THEIR PARTICULAR INDUSTRY/COUNTRY. OPERATORS OF THE
UNIT SHOULD BE AWARE OF THE REGULATIONS AND STANDARDS IN THEIR
INDUSTRY/COUNTRY FOR THE OPERATION OF THIS UNIT. THESE NOTES ARE
ONLY INTENDED AS A GUIDE AND THE MANUFACTURER BEARS NO
RESPONSIBILITY FOR THE INSTALLATION OR OPERATION OF THIS UNIT.
FAILURE TO INSTALL AND OPERATE THE UNIT IN ACCORDANCE WITH THESE
INSTRUCTIONS AND W ITH INDUSTRY GUIDELINES MAY CAUSE SERIOUS INJURY
INCLUDING DEATH AND THE MANUF ACTURER WILL NOT BE HELD RESPONSIBLE
IN THIS REGARD.
HAZARDOUS AREA WARNING
THIS INSTRUMENT HAS NOT BEEN DESIGNED TO BE INTRINSICALLY SAFE FOR
USE IN AREAS CLASSIFIED AS HAZARDOUS LOCATIONS. FOR YOUR SAFETY, DO
NOT USE IT IN HAZARDOUS (CLASSIFIED) LOCATIONS.
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MGS Series Controller Manual
Table of Contents
SECTION 1.
INTRODUCTION ........................................................................ 5
1.1. OVERVIEW .................................................................................................. 5
1.2. 2-CHANNEL AND 6-CHANNEL MODELS ............................................................. 5
1.3. ALARMING .................................................................................................. 5
1.4. COMPONENTS .............................................................................................. 8
1.5. SPECIFICATIONS .......................................................................................... 11
SECTION 2. MOUNTING INSTRUCTIONS .................................................... 12
2.1. INSTALLATION WARNINGS ............................................................................ 12
2.2. LOCATION RECOMMENDATIONS .................................................................... 12
2.3. MOUNTING DIMENSIONS ............................................................................. 13
SECTION 3. WIRING ................................................................................... 16
3.1. 1- AND 2-CHANNEL UNITS (SINGLE- AND DUAL-ALARM) ................................... 16
3.2. 4- AND 6-CHANNEL UNITS (SINGLE- AND DUAL-ALARM) ................................... 17
3.3. EXTERNAL HORN (FOR AUDIBLE ALARMS) ....................................................... 20
SECTION 4. CONFIGURATION AND OPERATION ........................................ 21
4.1. OVERVIEW ................................................................................................ 21
4.2. INTRODUCTION TO CHANGING ALARM LEVEL(S) ............................................... 21
4.3. CHANGING ALARM LEVEL FOR 2-CHANNEL, 1-ALARM UNITS .............................. 23
4.4. CHANGING ALARM LEVEL FOR 2-CHANNEL, 2-ALARM UNITS .............................. 24
4.5. CHANGING ALARM LEVEL FOR 6-CHANNEL, 1-ALARM UNITS .............................. 25
4.6. CHANGING ALARM LEVEL FOR 6-CHANNEL, 2-ALARM UNITS .............................. 26
4.7. OUTPUT DELAYS ......................................................................................... 27
4.8. FAIL SAFE OPERATION ................................................................................. 28
4.9. MUTING THE AUDIBLE ALARM (KEY SWITCH) ................................................... 29
4.10. RESETTING HIGH ALARMS (DUAL-LEVEL UNITS ONLY) ..................................... 29
DECLARATION OF CONFORMITY .................................................................. 30
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Section 1. Introduction
1.1. Overview
The MGS Series controllers provide local alarm status indications (via
multi-colored, per-channel LEDs) as well as single-level or dual-level
digital (relay) alarm outputs based on 1, 2, 4, or 6 inp ut signals and 1 or
2 user-definable set-points.
1.2. 2-Channel and 6-Channel Models
MGS Controllers s upport m ult iple input se nsor s/trans mitters (1, 2, 4, or 6
channels) based on the model of the controller. Inputs are standard 4-20
mA signals from MGS-series sensors or an y standard, line ar, 4-20 mA
transmitter.
NOTE: The smaller MGS Controller supports up to t wo input
channels (see Figure 1). The larger contr oller suppor ts up to
six channels (see Figure 2). The number of alarm LEDs on
your controller will vary based on the flavor of device that is
ordered (see Figure 3).
MGS Series Controller Manual
IMPOR TANT: If you ar e N O T us ing th e maximum number of
available channels (2 f or the smaller controller , and 6 for the
larger controller), you must connect a 3300 Ω resistor across
pins 1 and 2 for each unused input channel.
1.3. Alarming
Regardless of the number of channels supported, each controller
contains either 1 or 2 adjustable potentiometers (pots) for setting the
alarm value(s). Single-l evel alarm controllers c ontain one pot which sets
the controller’s alar m threshold. D ual-level a larm controller s contain two
pots which are used to set the low-level and high-level alarm thresholds.
As an individual channel’s input signal exceed the controller’s alarm
threshold (set by the programm able pot(s)), the cor responding ch annel’s
alarm LED is illuminated, allowing a technician to visually inspect the
controller for an y alarm c onditions on a c hannel-by-channel basis. Refer
to Figure 3.
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MGS Series Controller Manual
Figure 1. Sample Configurations (1,2-Channel)
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MGS Series Controller Manual
Figure 2. Sample Configurations (4,6-Channel)
MGS Controllers have either one or two relay outputs: one for singlelevel alarm controllers (“Alarm”), and 2 for dual-level alarm controllers
(“Alarm High” and “Alarm Low”). Unlike the alarm LEDs that provide a
channel-by-channel alarm status of each incoming transmitter’s signal,
the relay output “trips” or “energizes” if any of the inputs exceed the
alarm threshold set by the pot (that is, if any of the alarm LEDs is
energized). Alarm rela ys can be used to activate warning lights, sirens,
ventilation fans, etc.
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MGS Series Controller Manual
Figure 3. Sample Front Panels Showing Status LEDs
For dual-alarm configurations, the Alarm Low relay output “trips” or
“energizes” if any of the inputs exceed the alarm threshold s et b y the low
alarm pot. Sim ilarly, the Alarm High r elay output “trips” or “energizes” if
any of the inputs exceed the alarm threshold set by the high alarm pot.
All controllers have a green power LED that is on when the unit has
power. The 4- and 6-channel 2-level units have a fault relay which “trips”
or “energizes” if the controller experiences a fault condition. Like the
alarm relays, the fault rela y can be use to activate warnin g lights, sirens,
ventilation fans, etc.
1.4. Components
The following is a summary of the MGS Controller’s hardware
components. Note that f eatures var y based o n m odel and featur es (e.g. ,
1-2 channel units vs. 4-6 c hannel un its, sing le-level al arms vs . dual-level
alarms, etc.).
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Components Descriptions
Power input Provides power to the MGS Controller
Power LED Power status indicator
Channels (max) 1-2 Channel Units 4-6 Channel Units
Sensor input(s) max 2 max 6 max
Alarm levels Single Dual Single Dual
Set point POT(s) 1 2 1 2
Alarm relay output(s) 1 2 1 2
Alarm LED(s) (max) 2 4 6 12
Fault relay output N/A N/A N/A 1
MGS Series Controller Manual
Figure 4. 6-Channel, Dual-Alarm MGS Controller
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MGS Series Controller Manual
NOTE: Figure 4 sho ws components ass ociated with a dualalarm configuration. F or si ngle-al arm configur ations, t he Low
Alarm LEDs are not present. JP1 on the single-alarm
configuration is the delay jumper.
Figure 5. 2-Channel, Dual-Alarm MGS Controller
NOTE: Figure 5 shows components associated with a dual-
alarm configuration. F or si ngle-al arm configur ations, t he Low
Alarm LEDs are not present, and the Delay Jumper will be
present. The Delay Jumper is not available on dual-alarm
configurations, though its location is highlighted above.
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