Detcon TP-624D User Manual

INSTRUCTION MANUALDetcon Model TP-624DPGM 1PGM 2MODEL TP-624DHOUSTON, TEXASFLT 1 2 CALMicroSafe H2S Gas SensorALM ALMTMTP-624D Hydrogen Sulfide Sensor

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 6 of 40DensityPlacement of sensors relative to the density of the target gas is such that sensor

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 7 of 40The more common materials that potentially cause problems with the sensors are as follows

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 8 of 40maintained to provide a solid electrical ground path. If Teflon Tape is used the Sensor m

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 9 of 40NOTE:The Detcon Warranty does not cover water damage resulting from water leaking intothe

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 10 of 40high voltage lines or other possible sources of induced interference. Separate conduit r

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 11 of 402.7 Initial Start UpUpon completion of all mechanical mounting and termination of all fi

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 12 of 40Initial operational tests are complete. Detcon H2S gas sensors are factory calibrated pr

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 13 of 403. Operation3.1 Programming Magnet Operating InstructionsThe Operator Interface of the T

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 14 of 403.2 Operator InterfaceThe operating interface is menu-driven via the two magnetic progra

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 15 of 40Software FlowchartdecPGM1/2 (M)mA Output XX.XXSensor Temp XX CVoltage XX.X VDCResistance

Model TP-624DModel TP-624D iiThis page left intentionally blank

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 16 of 403.3 Normal OperationIn normal operation, the display continuously shows the current sens

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 17 of 40concentration is 10ppm for the 0-20ppm range and 25ppm for the 0-50ppm and 0-100ppm rang

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 18 of 40NOTE 2: If the sensor fails the stability criteria, a“Stability Fault”will be declared a

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 19 of 403.5.1 View Sensor StatusView Sensor Status displays all current configuration and operat

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 20 of 40Operating TemperatureThe menu item appears as: “Temp XX C”Serial IDThe menu item appears

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 21 of 40Set AutoSpan Level is used to set the span gas concentration level that is being used to

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 22 of 40to scroll “Setting Heater”). After scrolling “Setting Heater”, the sensor will adjust th

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 23 of 40previously existing configuration inputs will have to be re-entered if this function is

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 24 of 40The TP-624D contains two Form C alarm relay outputs. These relays can be configured to c

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 25 of 40The fault relay can be configured as either latching or non-latching. In non-latching mo

Model TP-624DModel TP-624D iiiTable of Contents1. Introduction ...

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 26 of 403.6.2 Fault Diagnostic/Failsafe FeaturesFail-Safe/Fault SupervisionModel TP-624D MicroSa

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 27 of 40Processor FaultIf the detector has any unrecoverable run-time errors, a “Processor Fault

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 28 of 404. RS-485 ModbusTMProtocolModel TP-624D sensors feature Modbus™ compatible communication

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 29 of 4003/40014Special #4R/WFunction Dependant on Value06of 40006 (See Special RegisterTable)03

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 30 of 405. Service and MaintenanceCalibration FrequencyIn most applications, monthly to quarterl

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 31 of 40Replacement of Transmitter Modulea) Remove the junction box cover and remove the Transmi

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 32 of 406. Troubleshooting GuideRefer to the list of Failsafe Diagnostic features listed in Sect

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 33 of 40Stability FaultProbable Causes: Failed Sensor, empty or close to empty Cal Gas Cylinder,

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 34 of 40Restore Factory Defaults - This will clear the processor’s memory and may correct proble

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 35 of 407. Customer Support and Service PolicyDetcon HeadquartersShipping Address: 4055 Technolo

Model TP-624DModel TP-624D ivList of FiguresFigure 1 Sensor Assembly Front View ...

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 36 of 408. TP-624D Sensor WarrantyH2S Sensor WarrantyDetcon Inc. warrants, under normal intended

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 37 of 409. Appendix9.1 SpecificationsSensor Type: Continuous diffusion/adsorption typeCHEMFET So

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 38 of 40Operating Humidity: 5-100% RH (Non-condensing)Operating Pressure: Ambient ± 10%Air Veloc

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 39 of 409.2 Spare Parts, Sensor Accessories, Calibration EquipmentPart Number Spare Parts926-015

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 40 of 409.3 Revision LogRevision Date Changes made Approval0.0 6/21/2010 Initial Release LBU0.1

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 1 of 401. Introduction1.1 DescriptionDetcon Model TP-624D hydrogen sulfide sensors are non-intru

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 2 of 40Principle of OperationMethod of detection is by diffusion/adsorption. Air and H2S diffuse

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 3 of 40The transmitter module includes four LED status indicators (see Figure 3). These indicato

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 4 of 401.3 Relay OutputsThe TP-624D includes three 5A Form C relay outputs. Two of these relays

Model TP-624DTP-624D Instruction Manual Rev. 0.4 Page 5 of 402. Installation2.1 ATEX Operational Guidelines for Safe Use1. Install sensor only in area