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MODEL 5100-02-IT
IT Series
COMBUSTIBLE GAS SENSOR MODULE
Version 2.00a
APPLICABILITY & EFFECTIVITY
Effective for all Model 5100-02-IT Modules manufactured after February 15, 2008.
Instruction Manual Part Number T12019
Rev. B1
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Model 5100-02-IT Combustible Gas Sensor Module FM APPROVAL ONLY THE FOLLOWING ITEMS, FUNCTIONS AND OPTIONS ARE FM* APPROVED Model 5100-02-IT Combustible Gas Sensor Module Sensor Module Model 5100-02-IT Combustible Gas Sensor Module Model 5100-02-IT-SS Combustible Gas Sensor Module, 316SS Calibration Equipment Model 1200-26 Calibration Gas Delivery System Model 1290-02 Combustible Gas Cylinder Model 5358-01 Calibration Head, Standard Model 5360-00 Calibration Gas Deli
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Model 5100-02-IT Combustible Gas Sensor Module TABLE OF CONTENTS 1. PRODUCT DESCRIPTION .............................................................................................................................3 1.1 GENERAL........................................................................................................................................................3 1.2 PRODUCT CONFIGURATION........................................................................................
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Model 5100-02-IT Combustible Gas Sensor Module 6.2 ENCLOSURE REPLACEMENT ....................................................................................................................23 6.3 TRANSMITTER REPLACEMENT .................................................................................................................24 6.4 SENSOR REPLACEMENT............................................................................................................................24 6.5 INSTALL
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Model 5100-02-IT Combustible Gas Sensor Module 1. PRODUCT DESCRIPTION 1.1 GENERAL The Model 5100-02-IT Catalytic Bead Combustible Gas Sensor Module is a member of the Sentry Information Technology ”IT” family of gas sensor transmitter modules. IT modules offer a broad array of features including: • Integral Alphanumeric display • 180 day calibration frequency • Integral alarm relays (3) • 4-20 mA output ® • Modbus RTU interface • SMC Sentry interface • 316 Stainless steel enclosur
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Model 5100-02-IT Combustible Gas Sensor Module Figure 1-1 Model 5100-02-IT Combustible Gas Sensor Module Stainless Steel – Dimensions Figure 1-2 Model 5100-02-IT Combustible Gas Sensor Module Aluminum – Dimensions Page: 4
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Model 5100-02-IT Combustible Gas Sensor Module 1.4.2 MODBUS OPERATION All IT gas sensor modules have a Modbus RTU RS-485 serial interface to allow direct connection to any standard PLC or DCS. The Module Address Switch (section 3.5) allows the user to select Modbus addresses 1 thru 15. Switch position “0” allows the user to set addresses up to 254 using the s Menu (See Table 4-3). Figure 3-4 provides the wiring terminations for Modbus connections. 1.4.3 ANALOG OPERATION All IT gas s
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Model 5100-02-IT Combustible Gas Sensor Module 1.6 INTERCONNECT WIRING Not supplied with the sensor module, but necessary to the installation and operation is the multi conductor wiring which connects the module to its power source and controller. Before this wiring is installed it is important to read and understand the control system installation instructions to determine wiring requirements and alternatives. 1.7 POWER REQUIREMENTS IT modules operate on DC power between 10 VDC and 30
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Model 5100-02-IT Combustible Gas Sensor Module 2. CAUTIONS & WARNINGS 2.1 INTRODUCTION Although IT Transmitter Modules are designed and constructed for installation and operation in industrial applications including "hostile" environments, caution should be taken to insure that the installation is made in compliance with this instruction manual and that certain procedures and conditions are avoided. This chapter discusses the necessary cautions. Read the entire chapter prior to installat
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Model 5100-02-IT Combustible Gas Sensor Module 2.3.1 CATALYTIC BEAD SENSOR MODULES Model 5100-02-IT Gas Sensor Modules are FM performance approved for detection of Combustible gas (methane and hydrogen). The sensor is cross sensitive to the combustible gases indicated in Table 2-1. Risk management planning should take into consideration the potential for the presence of other gases in the monitored area. Note that the 5100-02-IT has a gas factor scaling feature in which a calibration sta
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Model 5100-02-IT Combustible Gas Sensor Module 3. INSTALLATION NOTE All IT modules are factory pre-configured and calibrated. All modules are tagged to indicate the configuration including the sensor module number. Identify all components during unpacking and install using the factory configuration. 3.1 SENSOR MODULE LOCATIONS Select locations for each sensor module based on the following: • Modules should be placed close to the potential source of gas. • Modules should be placed in ar
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Model 5100-02-IT Combustible Gas Sensor Module 3.3 ENCLOSURE INSTALLATION To protect the transmitter and sensor assembly they should be removed from the enclosure and preserved until final installation and wiring termination. Prior to installation and wiring. 1. Remove the transmitter from the module housing by: • Unscrew the two captive panel screws on the face plate. • Lift the transmitter out of the housing. • Unplug the sensor cable from transmitter connector J2. • Remove the senso
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Model 5100-02-IT Combustible Gas Sensor Module 6. Carefully return the transmitter to the enclosure installing it over the two standoffs. Tighten the retaining screws into the standoffs. P1 FUNCTION P2 FUNCTION 1 High Alarm Relay NC 1 Power 2 High Alarm Relay NO 2 Signal 3 High Alarm Relay COM 3 Ground 4 Low Alarm Relay NC 4 N/A 5 Low Alarm Relay NO 5 N/A 6 Low Alarm Relay COM 6 4-20 mA output - 7 Trouble Relay NC* 7 4-20 mA output + 8 Trouble Relay NO* 8 RS-485 Ground 9 Trouble Rel
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Model 5100-02-IT Combustible Gas Sensor Module 3.5 INSTALLATION CONFIGURATION Table 3-3 and Figures 3-1 through 3-4 provide location and installation details. POSITION ADDRESS POSITION ADDRESS 1 Sensor 1 9 Sensor 09 2 Sensor 2 A Sensor 10 3 Sensor 3 B Sensor 11 4 Sensor 4 C Sensor 12 5 Sensor 5 D Sensor 13 6 Sensor 6 E Sensor 14 7 Sensor 7 F Sensor 15 8 Sensor 8 0 Select Table 3-2 Sensor Module Rotary Switch Positions Figure 3-1 Module Address Rotary Switch NOTE For Sentry applicati
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Model 5100-02-IT Combustible Gas Sensor Module Figure 3-3 4-20 mA Connection Page: 13
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Model 5100-02-IT Combustible Gas Sensor Module Figure 3-4 Digital Interface Connections Figure 3-5 Remote Alarm Reset Page: 14
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Model 5100-02-IT Combustible Gas Sensor Module 4. INTRODUCTION – HUMAN-MACHINE INTERFACE SYSTEM The Combustible Gas Sensor utilizes a visual menu system operated by means of a magnet. A magnet stick is supplied for this purpose. The menu system is used to configure alarm set-points, calibrate the sensor module, and for maintenance procedures and alarms acknowledge. 4.1 HUMAN-MACHINE INTERFACE The module menu system is operated by means of directing the magnet stick toward each of four i
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Model 5100-02-IT Combustible Gas Sensor Module 4.2 MAIN MENU Table 4-1 describes the primary human-machine interface operation. Key Function Display Description Reference M E Mode Switch [M] M E Enter Switch [E] ME Up Switch [ ▲] Previous Menu ME Down Switch [ ▼] Next Menu 5100-02 First screen at power up-model 1.Xxa VX.Xxx Second screen at power up-version Warm.XXX Third screen at start up-warm up 0%LEL Normal condition - default display M E Mode ALMRSET: Mode Function -Alarms Acknowledg
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Model 5100-02-IT Combustible Gas Sensor Module 4.3 CONFIGURE SET-POINTS The sensor module set-points menu is used to initially set-up the alarm set points, relay actions, gas type and range, 4-20 mA action and RS-485/Sentry address and baud rates (See Menu Key in Appendix J). • Alarm Set-points: Once the Set-up menu is selected, press [E] to activate the Alarm Set-point screen. Use the [ ▲] or [ ▼] keys to select Low Alarm or High Alarm menu. Key [ ▲] will adjust the setpoint upwards a
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Model 5100-02-IT Combustible Gas Sensor Module Key Function Display Description Reference --0%LEL- Default Display M E Mode ALMRSET: Mode Function - Alarm Reset M E Mode CALIB:-- Mode Function - Calibrate M E Mode SETUP:--- Mode Function - Set Point Adjustments M E Enter Alarms S.P. Function - Alarm Adjust * A Below ME Down Relays S.P. Function - Relays Adjust * B Below ME Down GasFactr S.P. Function - Gas Factor Adjust * C pg. 19 ME Down 4-20mA S.P. Function - 4-20 mA Adjust * D pg. 19 M
