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Model S800
Machine Mounted Methane
Monitoring System
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
1006
MANS800
MANS800
D/12-07
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Summary of Contents for General Monitors S800
- Page 1 General Monitors. Instruction Manual 1006 General Monitors reserves the right to change published specifications and designs without prior notice. MANS800 Part No. MANS800...
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Page 2: Table Of Contents
2.6 System Description……………………………………………………………………………….. 6 3.0 Installation………………………………………………………………………………….. 7 3.1 Notice………………………………………………………………………………………………. 7 3.2 Upon Receipt of Equipment……………………………………………………………………... 7 3.3 Power Supply Installation………………………………………………………………………... 7 3.4 S800 Installation………………………………………………………………………………….. 7 3.5 S800 Terminal Connections……………………………………………………………………...8 3.6 Installation Check-Out……………………………………………………………………………. 8 3.7 Sensor Locations…………………………………………………………………………………. 9 3.8 Sensor Poisons………………………………………………………………………………….. 11 4.0 Operation………………………………………………………………………………... - Page 3 6.3 Splash Guard……………………………………………………………………………………..18 6.4 Dust Guard Assembly…………………………………………………………………………... 19 6.5 Calibration Equipment…………………………………………………………………………...20 7.0 Technical Information…………………………………………………………………… 21 7.1 Spare Parts………………………………………………………………………………………. 21 7.2 S800 Tool List…………………………………………………………………………………….22 7.3 Electronic Module……………………………………………………………………………….. 23 7.4 Module Base Assembly………………………………………………………………………… 24 7.5 Power Supply Assembly………………………………………………………………………...25 7.6 Detector Housing Assembly…………………………………………………………………….26...
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Page 4: Figures
Model S800 Figures Figure 1: Wire Strip Length ................... 8 Figure 2: Color Coded Wiring Connections ..............10 Figure 3: User Interfaces/Displays................15 Figure 4: Entering Auto-Calibration Sepuence ............16 Figure 5: “AC” Auto-Calibration Display..............16 Figure 6: “CP” Auto-Calibration Display..............16 Figure 7: “CC”... -
Page 5: Warranty Statement
Warrants the Model S800 to be free from defects in workmanship or material under normal use and service within one (1) year from the date of shipment. General Monitors will repair or replace without charge any such defective equipment to be found defective during the warranty period. -
Page 6: System Integrity Verification
Model S800 System Integrity Verification General Monitors’ mission is to benefit society by providing solutions through industry- leading safety products, services and systems that save lives and protect capital resources from the dangers of hazardous flames, gases and vapors. The safety products you have purchased should be handled carefully and installed, calibrated, and maintained in accordance with the respective product instruction manual. -
Page 7: Introduction
More detailed information on the features and benefits listed in section 1.2 will be presented in later chapters. The S800 is easy to install and operate; however, this manual should be read in full, and the information contained herein understood before attempting to install or operate the system. -
Page 8: 2.0 System Specifications
This Chapter provides detailed specifications for the model S800 Machine Mounted Methane Monitoring System. The system mechanical, electrical and environmental specifications present the Model S800 in Technical terms. The unit description is provided for insertion into other written specifications by architects and engineers. -
Page 9: Electrical Specifications
Electrical Classifications: the sensor is rated for use in Class I, Division 1, Groups B, C & D. The model S800 is designed for use in hazardous environments. Machine Cut-off Relay Output: 10A @ 120Vac SPDT, 5A @ 600Vac SPDT. -
Page 10: System Description
Model S800 System Description The monitor and sensor shall be MSHA approved and be capable of monitoring 0 to 5% Methane gas by volume or 0 to 100% LEL concentration. The monitor shall have an interface panel, providing magnetic switches for the following indications: 2-discrete alarm threshold level indicators, a fault or malfunction indicator, a calibration mode indicator and a 2-digit display. -
Page 11: Installation
S800 Installation Access must be provided for the cable to enter the right, left or back side of the S800 housing. Adequate clearance should be left for removal access of the electronics module. The location of the Model S800 should be protected by an overhanging part of the machine or a canopy provided for that purpose. -
Page 12: S800 Terminal Connections
S800 Terminal Connections All instrument wire connections to the Model S800 are made to the connector located in the base of the unit’s explosion proof (XP) housing. The connector accepts 14 or 16 AWG stranded wire. Recommended strip length of the wire inserted into the connector is shown in Figure 1. -
Page 13: Sensor Locations
Model S800 System power “ON” Test Ensure that all mining machine switches for main power, pumps, cutting heads, headlights, loading arms, etc. are “OFF” Energize mining machine cable main power and note the following. During a 20 second start-up, the digital display will show an increasing, then decreasing gas level as the sensor warms up and stabilizes. -
Page 14: Figure 2: Color Coded Wiring Connections
Model S800 Figure 2: Color Coded Wiring Connections... -
Page 15: Sensor Poisons
Model S800 Sensor Poisons Sensors may be adversely affected by prolonged exposure to certain atmospheres. The important contaminants are: • Silicones contained in greases or aerosols are the most common “coating” agents, which reduce sensor response. • Prolonged exposure to Hydrogen Sulfide (H2S) gas. -
Page 16: 4.0 Operation
Electrical Inputs/Outputs The General Monitors catalytic bead sensor (field device) input is made to the terminal block at the base of the S800 XP housing (see chapter 3 for more detailed installation information). • The sensor connections consists of the following three leads; Black = Reference Bead, White = Active Bead, Red = Sensor power. -
Page 17: Latch/Non-Latch Alarm
The ramp test ramps up from the current gas level, and returns to the current gas level. Each alarm LED will light when the alarm set-point is exceeded. Fault Diagnostics In addition to the Fault LED, the Model S800 provides a fault code on the digital display whenever a fault condition occurs. •... - Page 18 If this fault continues to occur, replace the sensor and re-calibrate. • F6 – Low supply voltage. Make sure the supply voltage level at the S800 is 15Vdc ± 2Vdc. An unlatched F6 indicates momentary brown out or drop out of AC voltage. •...
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Page 19: 5.0 User Interfaces
This chapter discusses the user interfaces along with the Auto-Calibration Mode. Types of Interfaces User interfaces are provided so that the operator may interpret and direct the Model S800 in the performance of its various functions. User interfaces consist of (Figure 3): •... -
Page 20: Figure 4: Entering Auto-Calibration Sepuence
Model S800 Figure 4: Entering Auto-Calibration Sequence When the magnet is removed from the Calibration switch, the digital display will indicate a flashing “AC” (Figure 5). Figure 5: “AC” Auto-Calibration Display The unit is now setting a zero value. When flashing “AC” becomes a steady “AC”... -
Page 21: Figure 7: "Cc" Auto-Calibration Display
Model S800 Figure 7: “CC” Auto-Calibration Display If the unit does not see gas or the unit cannot calibrate within six minutes, an “F2” fault condition will be displayed. Activating the Reset/Test switch will reset the unit out of the “F2” fault. The unit will return to normal operation with the previous calibration levels restored. -
Page 22: 6.0 Sensor Assembly/Accessories
(Figure 8). Figure 8: Sensor Housing Drawing One end of the housing is tapped for use with a General Monitors sensor (3/4 NPT), while the other end is tapped for use with an MSHA approved packing gland. The set screws used to guard against vibration related loosening of both the sensor and packing gland nut most be in place during operation, otherwise the MSHA explosion proof approval is void. -
Page 23: Dust Guard Assembly
Model S800 The splash guard is recommended for reducing dust and rock damage to the sensor head. The S800 MUST be calibrated with the splash guard in place. Figure 9: Splash Guard, Picture Dust Guard Assembly The Dust Guard Assembly (UCISC #452328) is a simple, threaded stainless steel cylinder with a wire screen at one end. -
Page 24: Calibration Equipment
Model S800 Calibration Equipment To calibrate the Model S800 use the Calibration Kit UCISC# 543568. The calibration procedure and use of the Calibration Kits explained in section 5.3. -
Page 25: 7.0 Technical Information
Model S800 7.0 Technical Information Spare Parts UCISC P/N Description Power Supply: 1. 543576 Power Supply, S800, 120VAC 2. 543604 Hold Down, Pwr Supply 3. 543380 Fuse, 3/4A 600V Sensor Housing: 4. 543720 Washer, Locking 5. 543680 Screw, Gland/Sensor Locking 6. -
Page 26: S800 Tool List
Model S800 S800 Tool List Used On Tool Power Supply: 2. 543604 3/8 slotted screw driver or ½ socket with 4 in .ext. Sensor Housing: 5. 543680 1/8 hex handle or l-key 6. 543684 7/16 open wrench 7. 543688 #2 Phillips screw driver 8. -
Page 27: Electronic Module
Model S800 Electronic Module Module Removal Screws Calibration Switch Reset Test Switch Module Removal Screws Figure 12: Electronic Module... -
Page 28: Module Base Assembly
Model S800 Module Base Assembly Figure 13: Module Base Assembly... -
Page 29: Power Supply Assembly
Model S800 Power Supply Assembly Figure 14: Power Supply Assembly... -
Page 30: Detector Housing Assembly
Model S800 Detector Housing Assembly Figure 15: Detector Housing Assembly... -
Page 31: 8.0 Msha Installation Letter
Triadelphia, West Virginia 26059 Address: Attention: Health and Safety Technical Approval and Testing Gentlemen: We have installed an S800 Methane Monitoring System, M.S.H.A. Cert. #32A-23/MS-0a (manufacturer) , type (number) serial number: This machine is operated on (voltage) and carries M.S.H.A. approval number ____________ The installation was made in accordance with the manufacturer’s instructions &... - Page 32 Thank you for reading this data sheet. For pricing or for further information, please contact us at our UK Office, using the details below. UK Office Keison Products, P.O. Box 2124, Chelmsford, Essex, CM1 3UP, England. Tel: +44 (0)330 088 0560 Fax: +44 (0)1245 808399 Email: sales@keison.co.uk...
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