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General Monitors S216A Instruction Manual

Three relay smart sensor for hydrogen sulfide gas applications
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General Monitors
Model S216A
Three Relay Smart Sensor
for Hydrogen Sulfide
Gas Applications
The information and technical data disclosed
in this document may be used and
disseminated only for the purposes and to the
extent specifically authorized in writing by
General Monitors.
Instruction Manual
General Monitors reserves the right to
change published specifications and designs
without prior notice.
Part No.
Revision
Model S216A
05/97
MANS216A
C/05-97

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Summary of Contents for General Monitors S216A

  • Page 1 General Monitors. Instruction Manual 05/97 General Monitors reserves the right to change published specifications and designs without prior notice. Part No. MANS216A Revision...
  • Page 2 General Monitors Warranty & Warning Warranty Statement Warnings General Monitors warrants the Model S216A HYDROGEN SULFIDE GAS IS AN to be free from defects in workmanship or EXTREMELY TOXIC GAS, AND material under normal use and service within EXPOSURE MAY RESULT IN A LOSS two (2) years from the date of shipment.
  • Page 3 anytime the system power is off for more than an hour.

  • Page 4: Table Of Contents

    Model S216A Table of Contents Page Num ber War ranty Warn ings Ta ble of Fig ures 1.0 In tro duc tion Gen eral De scrip tion Fea tures and Bene fits Ap pli ca tions 2.0 Sen sor As sem bly...

  • Page 5: Ta Ble Of Fig Ures

    Ter mi na tion Draw ing, S216A Fig ure 25 Out line and Di men sional Draw ing, S216A Fig ure 26 Ter mi na tion Draw ing, S216A - CE Mark Units Cali bra tion Sched ule for Prob lem En vi ron ments...

  • Page 6: Introduction

    Model S216A. 1.1 Gen eral De scrip tion 4 to 20 mA Output: transmits fault, over The Model S216A is a Three Relay Smart range, calibration, and gas concentration Sensor assembly designed to detect the levels to a remote display, computer or other presence of Hydrogen Sulfide gas.
  • Page 7 General Monitors...

  • Page 8: Sensor Assembly

    Analog to Digital (A/D) Converter, 2.2 Power Sup ply converted to a digital signal and sent to the The Model S216A operates from a +24VDC microprocessor to be processed. (nominal) input. This unregulated source is process of H...

  • Page 9: Con Trol Elec Tron Ics

    Sensor Assembly General Monitors Power Supply ( continued Terminal connections inside of the housing lifier. During calibration have been provided for accepting the input microprocessor will output a 1.5mA analog power. signal (0mA is optional). Calibration Check Mode: In this mode, the MPU will output the gas concentration to the display.
  • Page 10 Model S216A Sensor Assembly Control Electronics ( continued Alarm & Warn Relay Option Selection Mode: The discrete relay options that are available for the Warn and Alarm relays are: Energized or De-Energized ¤ ¤ Latching or Non-Latching ¤ Set Point The Alarm &...
  • Page 11 General Monitors...

  • Page 12: Installation

    Sensors may be adversely affected by equipment part and serial numbers. Each prolonged exposure to certain materials. Model S216A is completely checked by the Loss of sensitivity or corrosion may be factory. However, a complete check-out is gradual if such materials are present in low...

  • Page 13: In Stal La Tion In Struc Tions

    The overall and mounting dimensions for the vapors, or flames from one electrical Model S216A (figure 6 & 25) should be used installation to another through the conduit when making installation determinations. A system.

  • Page 14: Ter Mi Nal Con Nec Tions

    The sensor screen, to see it is clear of oil, water, dust or paint. Once correctly installed, the Model S216A requires little or no maintenance other than All sensor placements are up to date with periodic calibration checks to ensure system the layout of the plant (e.g.
  • Page 15 Energized and Non-Latching. making power and signal connections on the Model S216A. See Appendix, section Inductive loads (bells, buzzers, relays, etc.) on 5.4. The terminal block accepts 16 AWG dry relay contacts must be clamped down to 22 AWG stranded or solid wire.
  • Page 16 (figure 11), opening the provides for a control room or other location terminal. Insert the wire into the terminal remote to the Model S216A to display and release the orange tab, clamping the operation and alarm conditions. To connect wire in the terminal.

  • Page 17: Ap Ply Ing Power

    “SU” (Start-Up) before PS002 entering the normal mode of operation. Since the Model S216A is designed to operate General Monitors recommends that the continuously, a power switch is not included, Model S216A be calibrated within the first...

  • Page 18: Main Tain Ing The X/P In Teg Rity

    An aluminum housing plug on the Model S216A it will be necessary to de-classify the area first. The sensor, reset switch and aluminum When replacing the cover, the gap between housing plug have seven threads.
  • Page 19 General Monitors...

  • Page 20: Operation

    GMI Logo on the cover. sensor site. Fault Mode: This operational mode The Model S216A will enter the mode that indicates a malfunction or an incorrect is displayed when the magnet is removed. operation.

  • Page 21: Cali Bra Tion Check Mode

    S) Gas Place the magnet over the GMI Logo on Enhanced Smart Sensor be calibrated one the cover of the Model S216A (figure 15, hour and again twenty four hours after page 15). Remove the magnet when a initial start-up, and that calibration be...

  • Page 22: Cali Bra Tion Equip Ment

    Model S216A Operation Calibration Mode ( The Model S216A can be returned to normal continued operation if the magnet is re-applied after Calibration Mode Procedure (figure 17): ninety seconds of initiating the calibration If it is suspected that hydrogen sulfide sequence.
  • Page 23 General Monitors offers ampoules with When the display indicates AC break the breaker bottles as a method of introducing calibration gas to the Model S216A. It will be ampoule. The display will change to CP necessary to place the ampoule inside a indicating that the sensor is seeing the gas.
  • Page 24 Model S216A Operation Calibration Equipment ( continued NOTE: Do not store the cylinder with the regulator fully engaged in the cylinder valve. Use the calibration procedure listed below for H S Portable Purge calibrations: the display will change from AC to CP Make sure the Portable Purge Calibrator to indicate “Calibration in Progress”.

  • Page 25: Pro Gram Re View Mode

    To enter the Program Review Mode, place the options that can be selected/modified are: magnet over the GMI Logo on the cover of the Model S216A and hold it there until Pr Warn Relay - Energized/De-Energized appears on the display. Remove the magnet...
  • Page 26 Model S216A. fig ure 21 Warn Relay Set Point The Model S216A will dis play the Set Point op tions (fig ure 22) un til a se lec tion is made. When the de sired op tion ap -...
  • Page 27 Model S216A. The op tions that are avail - able for the Alarm Set Point will vary with the de tec tion range of the Model S216A (0 to 100ppm, 0 to 50ppm or 0 to 20ppm) and the Warn Set Point. Units with a 0 to...

  • Page 28: Digi Tal Dis Play Codes

    Circuited normal state when the gas concentration Low Supply Voltage drops below this level depends on the EEPROM Verification Failure latching/non-latching options for the Warn & Alarm relays. The Model S216A comes NOT USED equipped with explosion-proof, Calibration check period...

  • Page 29: Fault Codes & Their Reme Dies

    Faulty sensor - A 0 to 20ppm sensor is entered by removing the magnet from the being used in a 0 to 100ppm GMI Logo on the cover of the Model S216A. application, for example. Take the appropriate action: When the unit is in the normal operating...
  • Page 30 F6 = Low Supply Voltage F9 = Calibration Check Period Exceeded This fault occurs if the supply voltage drops If the Model S216A is left in the Test Gas below +18VDC approximately. Mode for more than twelve minutes without a test gas being applied, this fault will occur.
  • Page 31 General Monitors...

  • Page 32: Appendix

    20 to 21.7mA Response Time: T50 < 60 seconds with full scale concentration applied Performance Standard: General Monitors’ Model S216A Smart Sensor meets the ISA S12.15 Part I Performance Standard for Hydrogen Sulfide Gas Detection Instruments, when the recommended initial...

  • Page 33: Environmental Specifications

    Appendix General Monitors Electrical Specifications (cont) Recommend Three Wire Shielded Cable: Maximum distance between the Model S216A and the power source. Feet Meters 1100 1600 2250 4500 1372 For interfacing with 250 ohm input impedance devices, the following maximum cable lengths apply, with respect to the Analog Signal.
  • Page 34 Model S216A Appendix fig -...

  • Page 35: En Gi Neer Ing Docu Men Ta Tion

    Appendix General Monitors 5.2 En gi neer ing Docu men ta tion 5.2.1 Termination & Outline Drawings fig -...

  • Page 36: Ter Mi Na Tion Draw Ing - Ce Mark Units

    Model S216A Appendix Ter mi na tion Draw ing Out line & Di men sional Draw ing Engineering Documentation ( continued fig -...

  • Page 37: Or Der Ing In For Ma Tion

    CE Mark Units The Standard Configuration for the Model Reset Switch: S216A is: S216A - 3 2 1 - 1 0 1 - 1 2 1 1 = No Reset Switch CSA, FM 2 = With Reset Switch CSA, FM (standard) 5.3 Or der ing In for ma tion...

  • Page 38: Fmrc Ap Proval

    FMRC ap proved (al though they have not transmitter may be connected and which been veri fied as part of a Model S216A process the electronic signal for the eventual sys tem): end use.

  • Page 39: Cali Bra Tion Sched Ule For Prob Lem En Vi Ron Ments

    Appendix General Monitors 5.5 Cali bra tion Sched ule for Prob - lem En vi ron ments Sensor Serial Number: Location: 1) Installation and preliminary calibration. Record date after preliminary calibration is performed: Date 2) 24 hour calibration. Record date after 24 hour calibration is performed: Date 3) 7 day calibration check (Record the date and reading of calibration check.

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