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Instruction 3015-4275

Introduction

How to Use This Manual

Thank you for investing in a

BACHARACH

Ammonia Gas Monitoring System.

This manual provides important information on how to install, operate, and service the AGM300 Ammonia Gas
Monitor and ADM800 Ammonia Display Module.

Please Read this Manual Carefully Before Use

If you have a working knowledge of gas monitors, you will find this manual useful as a reference tool. If you are
new to the use of gas monitors, you can educate yourself about the principles of gas detection and the proper
operation of this device by reading this manual thoroughly.

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Содержание ADM800

Страница 1: ...0 ADM800 Ammonia Gas Monitoring System Instruction 3015 4275 Installation Operation Maintenance Rev 3 May 2006 Product Leadership Training Service Reliability INSPECTION EQUIPMENT MEASURING EQUIPMENT...

Страница 2: ...ental or consequential damages in connection with the furnishing performance or use of this material No part of this document may be photocopied reproduced or translated to another language without th...

Страница 3: ...0 INSTALLATION 19 ADM800 INSTALLATION CONSIDERATIONS 20 ADM800 MOUNTING INSTRUCTIONS 21 ADM800 INTERIOR SCHEMATIC 22 ADM800 ELECTRICAL WIRING 24 ADM800 COMMUNICATION CONNECTIONS 26 ADM800 CONNECTING E...

Страница 4: ...nd service the AGM300 Ammonia Gas Monitor and ADM800 Ammonia Display Module Please Read this Manual Carefully Before Use If you have a working knowledge of gas monitors you will find this manual usefu...

Страница 5: ...accessing the interior of this instrument Only qualified electrical maintenance personnel should perform connections and adjustments Always de energize the power supply before working inside the instr...

Страница 6: ...personal injury or death Caution Statements The use of the word CAUTION in this manual denotes a potential hazard associated with the use of this equipment It calls attention to a procedure practice...

Страница 7: ...e setup from a personal computer Please refer to the Appendix for a more complete discussion of communication protocols Suggested Location of Sampling Points At the point of an ammonia gas leak the ga...

Страница 8: ...s the main interface by which you program the AGM300 acknowledge alarms and observe conditions inside of the mechanical room Note that there are two additional alarm relay contacts in the ADM800 that...

Страница 9: ...75 1 AGM300 Installation Upper Mounting Bracket Lower Mounting Bracket Water Trap STANDARD ACCESSORIES FOR A 4 POINT SYSTEM 5 Line End Filters P N 3015 3420 AGM300 ADM800 Instruction Manual P N 3015 4...

Страница 10: ...NG Drilling holes in the AGM300 and ADM800 enclosure will void the warranty Please use knockouts provided for electrical connections WARNING Do not operate this equipment in the presence of flammable...

Страница 11: ...s designed for 12 pan head fasteners Locate the four screws as shown in the diagram and leave the screw heads protruding approximately 3 16 AGM300 Mounting Specs Installation Hold the monitor flat aga...

Страница 12: ...talled to provide clean air for resetting the infrared zero baseline An exhaust line is installed to vent residual gas away from the monitor All sample line connections are made on the left side of th...

Страница 13: ...rminate in a location that is completely isolated from the purge line termination point and other areas of the facility that will be monitored Ideally this line should terminate outdoors in a location...

Страница 14: ...s Power Supply Board Main Board Microcontroller Board Infrared Optical Bench Gas Sample Pump Primary Filter P N 3015 3071 Intake Manifold Solenoids Gas Sample Pump Infrared Optical Bench Microcontroll...

Страница 15: ...Line Filter 230 VAC Units Only Dual 4 20 mAdc Outputs Signal Out Only DO NOT APPLY POWER RS 485 Connector Relay Connector Alarm 1 2 3 Fault 4 20 mAdc Interface Board Optional AC Power ON OFF Switch G...

Страница 16: ...d to the monitor s Ground Stud 230 VAC Installation Locate the AC Input Line Filter s black and white wires and the Ground Stud on the inside of the enclosure Page 7 Using wire nuts secure the incomin...

Страница 17: ...Instruction 3015 4275 9 AGM300 AC Input Power and Ground Connections...

Страница 18: ...85 TO MONITORS connector using the same color code as used on the AGM300 Integrating with Building Management Systems The AGM300 may be connected directly to a Building Management System using a shiel...

Страница 19: ...Each AGM300 on the network must have a distinct node address The node address may be set from 1 to 15 Four dip switches numbered 1 2 4 8 on the main circuit board are used to define this value by sett...

Страница 20: ...agement Systems set to a 0 or 1 address both respond to messages from the ADM800 as address 1 therefore you should not have a unit set to 0 and another set to 1 on the same network If the AGM300 netwo...

Страница 21: ...through serial port connection A three wire connection is used RXD TXD and GND No hardware flow control is used The AGM300 software automatically configures COM1 to match the AGM300 RS 232 communicati...

Страница 22: ...aved program A or C etc Press ENTER select the proper program press ENTER again The saved program will be downloaded into the software To Send a Saved Program to an AGM300 Open the AGM300 PC software...

Страница 23: ...a PCMCIA card that provides an RS 232 output We recommend the PCMCIA card manufactured by SEALEVEL SYSTEMS INC 155 TECHNOLOGY PLACE P O BOX 830 LIBERTY SC 29657 PHONE 864 843 4343 www sealevel com Par...

Страница 24: ...connector orienting them as shown in the diagram below Check to make sure the polarity matches the wiring at the external device When you are through securing the connections carefully plug the conne...

Страница 25: ...or of the monitor Locate the relay connector Page 7 and remove it from the circuit board Secure the leads to the connector orienting them as shown in the diagram below When you are through securing th...

Страница 26: ...o the Common on the relay block Connect one end of strobe or horn to the NO of whichever level of alarm is appropriate for application The other end of strobe or horn is connected to the Line of the a...

Страница 27: ...Instruction 3015 4275 19 ADM800 Installation ADM800 Oblique Photo Upper Lower Mounting Brackets Upper Mounting Bracket Lower Mounting Bracket...

Страница 28: ...ould be performed by a certified electrician and should comply with all applicable local state and federal electrical safety codes WARNING Always de energize the power supply before working on the int...

Страница 29: ...designed for 12 pan head fasteners Locate the four screws as shown in the diagram and leave the screw heads protruding approximately 3 16 ADM800 Mounting Specs Installation Hold the display module fl...

Страница 30: ...ADM800 Interior Schematic Microcontroller Board CPU Reset Switch Main Board Ground Stud AC Power Front Panel Chassis Power Supply Board 120 230 VAC Input Microcontroller Board CPU Reset Switch Main B...

Страница 31: ...RS 485 Connectors Terminator Switches Relay Connector Fuses 1 Amp 250 VAC P N 3015 4011 Terminator Switches F2 F1 TO MONITORS RS 485 to HGM300 Monitors TO HOST RS 485 to Building Management System Re...

Страница 32: ...re green along with the ground wire connected to the front panel to the unit s Ground Stud 230 VAC Installation Locate the AC Input Line Filter s black and white wires and the Ground Stud on the insid...

Страница 33: ...Instruction 3015 4275 25 ADM800 AC Input Power and Ground Connections...

Страница 34: ...oint the middle note the wire color Connect the ground to the GND connection point Make the wire run to the AGM300 and connect the twisted shielded pair to the AGM300 RS 485 connector Page 7 using the...

Страница 35: ...The terminator switch for the RS 485 TO HOST connector is shipped from the factory in the terminated or IN position This is the correct setting if the ADM800 is the last device on the network chain I...

Страница 36: ...s on Page 36 Connection Use the AC conduit or any of the remaining service knockouts to gain access to the interior of the ADM800 Locate the relay connector Page 23 and remove it from the circuit boar...

Страница 37: ...Instruction 3015 4275 29 ADM800 Operation ADM800 Exterior Schematic Display Screen Navigation Buttons Cursor Pad LED Indicators LED Indicators Display Screen Cursor Pad Navigation Buttons...

Страница 38: ...sed to move about screens enter setup information and choose between setup parameters When entering information the LEFT RIGHT keys move the cursor across an entry field while the UP DOWN keys scroll...

Страница 39: ...Please refer to the Appendix for a logic diagram of all the screen displays There is a 15 minute warm up period after power is first applied Under AGMS WARM UP is displayed The green indicator on the...

Страница 40: ...screens to observe settings or monitor network status The password can be alphanumeric The unit is shipped with password protection OFF Entering a password in ADM Setup Screen 1 enables password prote...

Страница 41: ...the field to the value you wish to edit Use the UP DOWN cursor keys to modify the field value and press the ENTER key to accept your entries When you are through editing the date time value do one of...

Страница 42: ...ON NET key to adjust the number 2 Use the UP DOWN cursor keys to modify the setting 3 Press ENTER to accept the new entry or QUIT to revert to the previous setting NOTE When first powered up the ADM80...

Страница 43: ...of stop bits for the ADM800 on a Building Management System 1 Press the BMS STOPBITS key to adjust the setting 2 Use the UP DOWN cursor keys to modify the setting 3 Press ENTER to accept the new entr...

Страница 44: ...ct unused monitor on evacuate spill leak fault or alarm 3 Press ENTER to accept the new entry or QUIT to revert to the previous setting AGM Node Address This value is the node address from 1 to 15 ass...

Страница 45: ...AGM Setup Screen From the System Screen press the key adjacent to the target AGM300 to go to that unit s AGM Setup Screen 1 AGM Setup Screen 1 From AGM Setup Screen 1 press the SETUP key to go to AGM...

Страница 46: ...ng 2 Use the UP DOWN cursor keys to toggle between settings AUTO Non latching Alarm relay will automatically de energize when the gas level drops below its alarm point MANUAL Latching Alarm relay rema...

Страница 47: ...the entry field and the UP DOWN cursor keys to modify the individual numbers 3 Press ENTER to accept the new entry or QUIT to revert to the previous setting Re Zero Mode This parameter defines the fr...

Страница 48: ...ut Sets the length of time the Service Mode is in effect Stops the monitor for up to 240 minutes 4 hrs to allow for servicing the unit See Service Mode on Page 61 1 Press the SERV TIMEOUT key to adjus...

Страница 49: ...have up to 12 alphanumeric characters 1 Press the LOCATION key to enter or modify the name of the zone 2 Use the LEFT RIGHT cursor keys to move across the entry field and the UP DOWN cursor keys to m...

Страница 50: ...es 24 hours A value of 000 indicates that each measurement for a given zone is logged into the trend log 1 Press the LOG INTERVAL key to adjust the log interval value 2 Use the LEFT RIGHT cursor keys...

Страница 51: ...han the evacuate level and greater than the leak level Evacuation Level This is the concentration level in PPM that will activate an evacuate alarm condition 1 Press the EVAC LEVEL key to adjust the v...

Страница 52: ...date the status information for all zones To display all the zones being monitored go to the System Screen page 31 and press the ZONES key Working with the Zone Screen The top level Zone Screen provid...

Страница 53: ...to the Zone Setup 1 Screen Page 41 To release the zone from the hold mode press and hold down the adjacent key until the unit beeps and the screen display reverts to normal You may also press and hold...

Страница 54: ...the Alarm Summary Screen Page 50 See Working with Alarms on Page 50 to learn more about responding to alarms Fault Conditions If a system malfunction occurs the yellow FAULT LED will glow Additionall...

Страница 55: ...n is detected anywhere on the network the red ALARM LED will glow Additionally an external alarm device may activate and an audible alarm may sound if those features have been enabled Pages 28 35 The...

Страница 56: ...og Screen Alarm Log Screen Use the LEFT RIGHT and UP DOWN cursor keys to move through the log The Alarm log shows the last 20 alarm events An alarm event is the occurrence of any alarm any change in a...

Страница 57: ...ound if those features have been enabled Pages 28 35 The FAULT box on the right of the screen will blink and then counts the number of AGM units on the system with a fault To investigate a fault press...

Страница 58: ...to be acknowledged for the system to return to normal operation Responding To Alarms There are two screens from which an operator can respond to alarms From the System Screen Page 31 press the key ad...

Страница 59: ...the alarm including Complete location information Current PPM Peak PPM and peak time Type of alarm alarm time and date This screen includes three active navigation keys at the bottom of the display A...

Страница 60: ...arm has been acknowledged Repeat this procedure to acknowledge any remaining alarms Alarm Summary Screen Acknowledge Mode Once all the alarms associated with a given AGM300 are acknowledged its red AL...

Страница 61: ...s AGM Setup Screen 1 Next press the ZONES key to go to Zone Setup Screen 1 and then press the TREND key at the bottom of the display to go to the Trend Screen From the top level Zone Screen Page 44 pr...

Страница 62: ...8 35 Depending on the nature of the fault the AGM300 may or may not continue to operate normally Under a non critical fault condition the AGM300 will continue to measure and log data but some peripher...

Страница 63: ...perature Call the factory with this information for further instructions BENCH TEMP FAULT Optical bench is outside of normal operating range or sensor has failed Check the installation to verify that...

Страница 64: ...he yellow FAULT LED will turn off and any external alarms connected to the AGM300 unit will de activate The ADM800 will return to normal operation the next time it polls the affected monitor Viewing F...

Страница 65: ...cifications Navigating to the Calibration Screen First display the System Screen Page 31 Next press the key adjacent to the target AGM300 unit to go to that monitor s AGM Setup Screen 1 Page 37 Finall...

Страница 66: ...r to performing a calibration Prepare the AGM300 for sampling by initially setting its CAL FACTOR to 1 000 Page 57 Next set up the AGM300 for a logging interval of zero minutes Page 42 and place the A...

Страница 67: ...lue can range from 3 900V to 4 500V LINE 2 Average Detector Voltage This is simply a running average of the values displayed in line 1 LINE 3 Zero Voltage This is the IR sensor output that was stored...

Страница 68: ...om the temperature sensor itself This value can range from ambient to ambient 15 degrees C LINE 10 Box Temperature This is the current internal enclosure temperature along with the raw voltage from th...

Страница 69: ...ivated From the System Screen Page 31 select the key adjacent to the AGM unit you wish to place into its Service Mode From AGM Setup Screen 1 Page 37 press the SERVICE MODE ENTRY key twice within 3 se...

Страница 70: ...62 Instruction 3015 4275 Notes...

Страница 71: ...Instruction 3015 4275 63 Appendix...

Страница 72: ...Air Lines System air lines should be checked periodically for obvious signs of kinks damage and contamination Replace the tubing as required with P N 304 2742 or equivalent The end line filters shoul...

Страница 73: ...en follow the instructions earlier in this manual to install the air lines and complete the zone programming steps The AGM300 setup must also be updated to recognize the new zones 4 20 mA Interface Bo...

Страница 74: ...66 Instruction 3015 4275 ADM800 Logic Diagram...

Страница 75: ...such as the ADM800 or a Building Management System over the RS 485 serial interface The monitor is configured with a two wire RS 485 serial bus and therefore data transmission occurs in half duplex mo...

Страница 76: ...tures become the destination for responses to read queries and sources for preset register commands When a read holding register query is made by the master device the AGM300 responds by sending the c...

Страница 77: ...ortant to understand that the ADM800 will only pass messages through to the AGM300 when the ADM800 is either in the SYSTEM screen or the ZONE VIEW screen If the ADM800 is in any other screen it will r...

Страница 78: ...urement of sensors Rel Hold 0x0017h W Release AGM300 out of hold mode Hold Zone 0x0018h W Put AGM300 into hold mode Fault Log 0x19xxh R 20 most recent fault events xx 00 or 01 Alarm Log 0x1Axxh R 20 m...

Страница 79: ...Alarm Operation Manual Acknowledge 0 Auto Acknowledge 1 DEFAULT 0 Num_Zones UC 1 byte Number of install zones Value initialized during auto detect during Power On Self Test UNUSED TIM 13 bytes UNUSED...

Страница 80: ...nt UC 1 byte Number of alarms that are currently active DO NOT MODIFY UNUSED UC 1 byte UNUSED Loop_Card UC 1 byte Value 1 if 4 20mA card has been detected DO NOT MODIFY Fault UI 2 bytes See Note Below...

Страница 81: ...arm UC 1 bytes Alarm Status 0 no alarm 1 leak 2 spill 3 evac Leak Level UI 2 bytes Level to trigger a leak alarm in PPM DEFAULT 100 Spill Level UI 2 bytes Level to trigger a spill alarm in PPM DEFAULT...

Страница 82: ...he system register to 0 In this mode if an alarm condition occurs an AGM300 alarm will be created In order for the alarm to be removed the MODBUS master will write a 0 to the ALARM parameter in the ZO...

Страница 83: ...o the code New Gases can be added in the field by selecting a similar existing cal curve and then defining a cal factor that will bring the accuracy within the desired range It is strongly recommended...

Страница 84: ...4 Optical bench temp in degrees C at last zero interval Box_Z_T Float 4 Box temp in degrees C at last zeroing PkPk_int UI 2 Current peak to peak A D counts from detector PkPk Float 4 Current peak to p...

Страница 85: ...Read the AGM300 Status Register 0x0011h Modify the content of the status register structure to change the MODE parameter to zone hold mode and the active zone parameter to the zone which you wish to...

Страница 86: ...alue as defined in NOTE 2 of Zone Data Ptr UC 1 byte Pointer to most recent event Unused UC 1 byte Alarm Log Register Register 0x1A00h 0x1A01h 0x1A02h R 582 bytes These registers contain the 20 most r...

Страница 87: ...erval defined by the service_mode_TO parameter in the System Data Register In order to place the AGM300 into service mode use the following sequence Read the AGM300 Status Register 0x0011h Modify the...

Страница 88: ...is 0x30yyh for zone 2 the register address is 0x31yyh etc The data for each zone is sent in 8 consecutive registers due to MODBUS RTU message length constrains The addresses are defined by the yy plac...

Страница 89: ...elect to have Seller s Service Department repair the equipment at Purchaser s facility Purchaser must contact Seller s Service Department to arrange for a Service call Parts will be free under the ab...

Страница 90: ...read and comply with the instructions provided in the Operations and or Service Manuals Scheduling of all field servicing is at the discretion of the Factory Service Department and will be based upon...

Страница 91: ...e Drift 0 3 of reading per degrees C Sampling Mode Automatic or manual hold Re Zero Auto or on zone change Response Time 5 to 120 seconds depending on air line length and number of zones System Noise...

Страница 92: ...condition is displayed Password Protection The ADM800 can be password protected to prevent the unauthorized editing of setup parameters without disturbing the ability to monitor system outputs Power...

Страница 93: ...Instruction 3015 4256 85 Notes...

Страница 94: ...Hunt Valley Circle New Kensington PA 15068 Ph 724 334 5000 Fax 724 334 5001 Toll Free 1 800 736 4666 Website www bacharach inc com E mail help bacharach inc com Printed in U S A Registered Trademark...

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