Detcon FP-624D-HT User Manual

INSTRUCTION MANUALDetcon Model FP-624D-HTFP-624D-HT Combustible Gas Sensor(0-100% LEL)DETCON, Inc.4055 Technology Forest Blvd, Suite 100,The Woodlands

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 6 of 442. Installation2.1 Operational Guidelines for Safe Use1. Install sensor only in are

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 7 of 44DensityPlacement of sensors relative to the density of the target gas is such that

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 8 of 44Detcon High Temperature combustible gas sensors may be adversely affected by exposu

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 9 of 44Figure 8 Typical Outline and Mounting Dimensions2.5 Electrical InstallationThe Sens

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 10 of 44Figure 9 Typical InstallationNOTE:Any unused ports should be blocked with suitable

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 11 of 44Terminal ConnectionsCAUTION: Do not apply System power to the sensor until all wir

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 12 of 44AWG Maximum Separation (feet)20 5018 7516 12514 175Reference Figure 11 for wiring

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 13 of 44-Detcon PN 600-610000-000 Splash Guard with integral Cal Port -OR--Detcon PN 943-0

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 14 of 443. Operation3.1 Programming Magnet Operating InstructionsThe Operator Interface of

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 15 of 443.2 Operator InterfaceThe operating interface is menu-driven via the two magnetic

Model FP-624D-HTFP-624D-HT Instruction Manual iiThis page left intentionally blank

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 16 of 44Software FlowchartFigure 14 FP-624D-HT Software FlowchartdecPGM1/2 (M)mA Output XX

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 17 of 443.3 Normal OperationIn normal operation, the display continuously shows the curren

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 18 of 44c) The transmitter will display the following sequence of text messages as it proc

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 19 of 44Fault Status register will be set until the calibration is complete.c) Apply the s

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 20 of 44The Program Mode menu items appear in the order presented below:View Sensor Status

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 21 of 44AutoSpan LevelThe menu item appears as: “Auto Span Level XX”Days Since Last AutoSp

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 22 of 44Alarm 2 LevelThe menu item appears as: “Alarm 2 Level XX”Alarm 2 AscendingThe menu

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 23 of 44NOTE:The default value for gas factor is 1.0. This would be used when methane is t

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 24 of 44The menu item appears as: “Set Gas Factor”.From the Set Gas Factor text scroll, ho

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 25 of 44it is notably better than sensors that are operated on a common fixed bridge volta

Model FP-624D-HTFP-624D-HT Instruction Manual iiiTable of Contents1. Introduction...

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 26 of 44NOTE: “Restoring Factory Defaults” should only be used when absolutely necessary.

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 27 of 443.5.9 Alarm 1 and 2 SettingsThe FP-624D-HT contains two Form C alarm relay outputs

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 28 of 44The fault relay can be configured as either latching or non-latching. In non-latch

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 29 of 44Last AutoSpan DateThis reports the number of days that have elapsed since the last

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 30 of 44Sensor Voltage FaultIf the voltage across the sensor bridge (See Figure 3) is grea

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 31 of 444. RS-485 ModbusTMProtocolModel FP-624D-HT sensors feature Modbus™ compatible comm

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 32 of 4403/40014Special #4R/WFunction Dependant on Value06of 40006 (See Special RegisterTa

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 33 of 445. Service and MaintenanceCalibration FrequencyIn most applications, monthly to qu

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 34 of 44Replacement of the Connector PCBNOTE: It is necessary to remove power to the junct

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 35 of 446. Troubleshooting GuideRefer to the list of Failsafe Diagnostic features listed i

Model FP-624D-HTFP-624D-HT Instruction Manual ivList of FiguresFigure 1 Sensor Assembly Front View...

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 36 of 44Probable Causes: Failed sensor, cal gas not removed at appropriate time, problems

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 37 of 44Processor and/or Memory FaultsRecycle power in attempt to clear problemRestore fac

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 38 of 447. Customer Support and Service PolicyDetcon HeadquartersShipping Address: 4055 Te

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 39 of 448. FP-624D-HT Sensor WarrantyHigh Temperature combustible gas sensor WarrantyDetco

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 40 of 449. Appendix9.1 SpecificationsSensor Type: Continuous diffusion/adsorption typeMatc

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 41 of 44Status Indicators: 4-digit LED Display with gas concentration, full-script menuPro

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 42 of 449.2 Spare Parts, Sensor Accessories, Calibration EquipmentPart Number Spare Parts9

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 43 of 449.3 Revision LogRevisionDateChanges madeApproval0.05/18/2010Initial ReleaseLBU0.15

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 44 of 44Shipping Address: 4055 Technology Forest Blvd, Suite 100, The Woodlands Texas 7738

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 1 of 441. Introduction1.1 DescriptionDetcon Model FP-624D-HT High Temperature combustible

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 2 of 44Figure 2 Sensor Cell ConstructionPrinciple of OperationMethod of detection is by di

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 3 of 44Figure 4 Response Curves1.2 Modular Mechanical DesignThe Model FP-624D-HT Sensor As

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 4 of 44Figure 6 Transmitter ModuleThe transmitter module includes four LED status indicato

Model FP-624D-HTFP-624D-HT Instruction Manual Rev. 1.1 Page 5 of 441.3 Relay OutputsThe FP-624D-HT includes three 5A Form C relay outputs. Two of thes