Bacharach MGS SERIES Installation And Operation Manual Download Page 1

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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

Summary of Contents for MGS SERIES

Page 1: ...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 ...

Page 2: ...D FREIGHT ALL RETURNED GOODS MUST BE PRE AUTHORIZED BY OBTAINING A RETURN MERCHANDISE AUTHORIZATION RMA NUMBER 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 DISTRIBUTORS AGENTS MAY ALSO HAVE REPAIR FACILITIES HOWEVER BACHARACH ASSUMES NO LIABILITY FOR SERVICE PE...

Page 3: ... FORMAT EXCEPT TO THE EXTENT THAT BACHARACH GRANTS THEM A LICENSE TO DO SO IF THIS SOFTWARE IS BEING LOADED ONTO MORE THAN ONE COMPUTER EXTRA SOFTWARE LICENSES MUST BE PURCHASED TECHNICIAN USE ONLY THIS UNIT MUST BE 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 UN...

Page 4: ... 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 CHANNE...

Page 5: ...ontroller will vary based on the flavor of device that is ordered see Figure 3 IMPORTANT If you are NOT using the maximum number of available channels 2 for 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 adju...

Page 6: ...MGS Series Controller Manual 6 6709 9000 Rev 1 Figure 1 Sample Configurations 1 2 Channel ...

Page 7: ... 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 relays can be used to activate warning lights sirens ventilation fans etc ...

Page 8: ...t 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 relay can be use to activate warning lights sirens ventilation fans etc 1 4 Components The following is a summary of the MGS Controller s hardwa...

Page 9: ...troller 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 Figure 4 6 Channel Dual Alarm MGS Controller ...

Page 10: ...nt 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 For single alarm configurations the 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 ...

Page 11: ...C Audible Alarm Integrated 12 VDC Alarm Set points User selectable Common to all channels Alarm level set point is based on 4 20 mA input signal User selectable Common to all channels Alarm level set point is based on 4 20 mA input signal Alarm Relays One 10 A 30 VDC or 250 VAC resistive Form C relay Two for dual alarm configurations Common low alarm and high alarm across channels One 10 A 30 VDC ...

Page 12: ... Controller must be connected by a marked suitably located and easily reached switch or circuit breaker as means of disconnection NOTE Connect power and signaling terminals using wiring that complies with local electrical codes or regulations for the intended application CAUTION The MGS controller contains sensitive electronic components that can be easily damaged Do not touch nor disturb any of t...

Page 13: ...ion in fruit ripening storage facilities bananas ethylene apples carbon dioxide Heavy localized exhaust fumes carbon monoxide dioxide propane from engine driven forklifts in confined spaces or close to sensors Bacharach recommends setting the alarm delay to minimize false alarms See Section 4 7 for more information 2 3 Mounting Dimensions The controllers contain a single teardrop cutout at the top...

Page 14: ...MGS Series Controller Manual 14 6709 9000 Rev 1 Figure 6 Mounting Dimensions 2 Channel Unit ...

Page 15: ...MGS Series Controller Manual 6709 9000 Rev 1 15 Figure 7 Mounting Dimensions 6 Channel Unit ...

Page 16: ... Dual Alarm Wiring to Sensors Transmitters Controller Terminal Block Controller Pin Number Signal Sensor Transmitter CN1 1 Ve supply V in 2 4 20 mA signal 4 20 mA out 4 Ve input GND in CN2 1 Ve supply V in 2 4 20 mA signal 4 20 mA out 4 Ve input GND in Figure 8 Wiring 2 Channel Single Alarm Unit Shown ...

Page 17: ...is approximately 15 VDC Figure 9 Wiring 2 Channel Dual Alarm Unit Shown 3 2 4 and 6 Channel Units Single and Dual Alarm Wiring to Sensors Controller Terminal Block Controller Pin Number Signal Sensor Transmitter CN1 CN6 1 Ve supply V in 2 4 20 mA signal 4 20 mA out 4 Ve input GND in ...

Page 18: ...MGS Series Controller Manual 18 6709 9000 Rev 1 Figure 10 Wiring 6 Channel Single Alarm Unit Shown ...

Page 19: ...MGS Series Controller Manual 6709 9000 Rev 1 19 Figure 11 Wiring 6 Channel Dual Alarm Unit Shown NOTE An external horn is provided with 4 and 6 channel units Refer to the next section for details ...

Page 20: ... Specifications Test Conditions at 25 C Specification Description Housing Black ABS Power Rating 10 W RMS 15 W peak Voltage 12 VDC Rated 6 16 VDC range Current 200 mA max 12 VDC Sound Pressure Level Minimum 100 dB at 1 meter 12 VDC Connections Red 12 V Black Ground Weight 2 3 0 2 oz 65 5 g ...

Page 21: ...connect the voltmeter to the appropriate pins of the CAL header Then adjust the appropriate potentiometer POT using the flat blade screwdriver until the desired alarm level is displayed on the voltmeter The pins of the CAL header are used to monitor the alarm levels of the controller See table below CAL Pins CAL Pin Description 1 High Level Alarm Set point 2 Low Level Alarm Set point 3 Not Used 4 ...

Page 22: ... 2 Low x High x The alarm range is set over the voltage range of 0 4 V to 2 0 V A voltage of 0 4 V equals 0 ppm and 2 0 V equals full scale such as 1000 ppm Calculation Example Desired Alarm Set Point 500 ppm Full scale range 1000 ppm V 0 4v Alarm Voltage Range Full Scale PPM Range Desired Alarm SP V 0 4v 2 0v 0 4 v 1000 ppm 500 ppm V 1 2 V for a 500 ppm alarm level ...

Page 23: ...er 2 Using the flat blade screwdriver adjust potentiometer P3 until the reading on the DC voltmeter corresponds to the desired input alarm level P3 NOTE When adjusting the alarm level a 0 4 to 2 0 VDC reading on the voltmeter corresponds to a 4 to 20 mA value for the input alarm threshold NOTE Both channels have the same alarm threshold Figure 12 Hardware PCB Layout 2 Channel 1 Alarm ...

Page 24: ...to the desired input high alarm level P7 3 Connect voltmeter leads to pin 4 Ve and pin 2 Ve on the CAL header 4 Using the flat blade screwdriver adjust potentiometer P8 until the reading on the DC voltmeter corresponds to the desired input low alarm level P8 NOTE When adjusting the alarm level a 0 4 to 2 0 VDC reading on the voltmeter corresponds to a 4 to 20 mA value for the input alarm threshold...

Page 25: ...der 2 Using the flat blade screwdriver adjust potentiometer P7 until the reading on the DC voltmeter corresponds to the desired input alarm level P7 NOTE When adjusting the alarm level a 0 4 to 2 0 VDC reading on the voltmeter corresponds to a 4 to 20 mA value for the input alarm threshold NOTE All channels have the same alarm threshold Figure 14 Hardware PCB Layout 6 Channel 1 Alarm ...

Page 26: ... to the desired input high alarm level P7 3 Connect voltmeter leads to pin 4 Ve and pin 2 Ve on the CAL header 4 Using the flat blade screwdriver adjust potentiometer P8 until the reading on the DC voltmeter corresponds to the desired input low alarm level P8 NOTE When adjusting the alarm level a 0 4 to 2 0 VDC reading on the voltmeter corresponds to a 4 to 20 mA value for the input alarm threshol...

Page 27: ...ems is approximately 3 minutes Refer to Figure 12 for locations of the JP1 jumper and Figure 16 for a graphic representation of the alarm responses when the delay is enabled and disable via JP1 Output Delay Jumper JP1 Position Description Output delays are off Wait after input exceeds alarm level before triggering alarm relay Figure 16 Alarm Response Single Level Alarms The delays for dual level s...

Page 28: ... channel controller with dual level alarm capabilities is used to enable disable the high level alarm relay RL1 to operate in fail safe mode Fail Safe Jumper JP1 Position Description Relay RL1 is normally open It is energized on a high alarm condition Relay RL1 is normally closed It is de energized on high alarm condition OR power failure ...

Page 29: ...sition the audible alarm is enabled In the other position the audible alarm is off muted NOTE The key switch can also be used to turn off the local audible alarm during bump tests 4 10 Resetting High Alarms Dual Level Units Only The red pushbutton on the controller is used to acknowledge reset high alarms Once the unit goes into a high alarm state the alarm latches After the gas has cleared the re...

Page 30: ...enced products are in conformity with the provisions of the following standard s and is in accordance with the following directive s Standard s UL 61010 1 CSA C22 2 No 61010 1 IEC 61010 1 2010 EN 61010 1 2010 Safety Standards Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements Signature Name Doug Keeports Title VP of Product Development Date 5 October 2012 T...

Page 31: ...MGS Series Controller Manual 6709 9000 Rev 1 31 ...

Page 32: ...er Manual 32 6709 9000 Rev 1 World Headquarters 621 Hunt Valley Circle New Kensington Pennsylvania 15068 Phone 724 334 5000 Toll Free 1 800 736 4666 Fax 724 334 5001 Website www MyBacharach com E mail help MyBacharach com ...

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