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MSA General Monitors S4000TH, Instruction Manual

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MSA General Monitors S4000TH Instruction Manual Download Page 9

 

  

1 

 

 

 

Model S4000TH

Quick Start Guide 

Mounting and Wiring 

Tools Required 

 

“5mm” Allen head wrench to remove enclosure lid (included with gas detector). 

  Flat-head screwdriver maximum 3/16 in (5 mm) width for terminal block connections 

(included with gas detector). 

 

Adjustable wrench for conduit or cable gland connections (not included). 

The outline and mounting dimensions for the Model S4000TH (Figure 1) should be used when 
making installation determinations.  

Information on Class I Division 1 and Zone 1 wiring methods can be found in the NEC and 
CEC. 

WARNING: 

Acetic acid will cause damage to metal components, metal hardware, ceramic 
IC’s, etc. If damage results from the use of a sealant that outgases acetic acid 
(RTV silicone), the warranty will be void. 

 

 

 

 

 

 

 

 

Figure 1: S4000TH Outline and Mounting Dimensions, in inches 

 

 

 

 

Summary of Contents for General Monitors S4000TH

Page 1: ...nd to the extent specifically authorized in writing by General Monitors Instruction Manual 10 16 General Monitors reserves the right to change published specifications and designs without prior notice MANS4000TH Part No MANS4000TH Revision N 10 16 Model S4000TH Intelligent Sensor for Hydrogen Sulfide Gas Detection ...

Page 2: ...Model S4000TH i This page intentionally left blank ...

Page 3: ...oduct Locations 9 3 3 1 Remote Mounting of the Sensor from the Electronics 10 3 4 Mounting and Wiring 11 3 5 Terminal Connections 13 3 5 1 Terminal Block TB1 Sensor Connections 13 3 5 2 Terminal Block TB2 Power and Signal Connections 13 3 5 3 DC Power and Ground Connections 15 3 5 4 Analog Signal Connections 16 3 5 5 Terminal Block TB3 Relay Connections 16 3 5 6 European Union EU Approved Applicat...

Page 4: ... Their Remedies 31 6 1 1 F2 Failed to Complete the Calibration 31 6 1 2 F3 Flash Checksum Error 31 6 1 3 F4 Sensor Heater Open Error or Sensor Amplifier Error 31 6 1 4 F5 Sensor Heater Shorted Error 32 6 1 5 F6 Low Supply Voltage 32 6 1 6 F7 EEPROM Verification Failure 32 6 1 7 F8 Failure to Complete Setup 32 6 1 8 F9 Gas Check Period Exceeded 33 6 1 9 F10 Switch Error 33 6 1 10 F11 Internal Error...

Page 5: ...H 46 8 8 25 HazardWatch Co Calibration Output 19H 46 8 8 26 Not Used 1A AB 1C H 46 8 9 HART Enable 1D H 46 8 9 1 HART Test 1Eh 46 8 9 2 Abort Calibration 1Fh 47 8 9 3 Total Receive Errors 20H 47 8 9 4 Bus Activity Rate 21H 47 8 9 5 Function Code Errors 22H 47 8 9 6 Starting Address Errors 24H 47 8 9 7 RXD CRC Errors Hi 25H 47 8 9 8 RXD CRC Errors Lo Same as Hi 26H 47 8 9 9 Parity Errors 27H 47 8 9...

Page 6: ...inciple of Operation 54 9 3 Specifications 55 9 3 1 System Specifications 55 9 3 2 Mechanical Specifications 55 9 3 3 Electrical Specifications 55 9 3 4 Environmental Specifications 56 9 4 Approvals 57 9 5 Spare Parts and Accessories 57 9 5 1 Sensors 57 9 5 2 Sensor Housing 57 9 5 3 Sensor Accessories 58 9 5 4 Calibration Equipment 58 9 5 5 Intelligent Sensor S4000TH Replacement Parts 59 9 5 6 Rec...

Page 7: ...e 8 S4000TH with RGC Outline and Mounting Dimensions in inches 12 Figure 9 S4000TH Terminal Block Locations 13 Figure 10 Spring Type Terminal Block Operation 14 Figure 11 Screw Type Terminal Block Operation 14 Figure 12 Wire Strip Length 14 Figure 13 Relay Protection for DC and AC Loads 17 Figure 14 Relay Reset 20 Figure 15 User Menu Structure 21 Figure 16 Gas Check 25 Figure 17 Automatic Calibrat...

Page 8: ...ble 6 Warn Relay Connections 16 Table 7 Fault Relay Connections 16 Table 8 GM Locations 34 Table 9 Data Format 35 Table 10 Exception Codes 37 Table 11 Command Register Locations 40 Table 12 Com1 Baud Rate 45 Table 13 Com1 Data Format 45 Table 14 Com2 Baud Rate 45 Table 15 Com2 Data Format 46 Table 16 Sensor Scale 46 Table 17 24 VDC Cable Lengths 56 Table 18 Analog Output Cable Lengths 56 Table 19 ...

Page 9: ...connections not included The outline and mounting dimensions for the Model S4000TH Figure 1 should be used when making installation determinations Information on Class I Division 1 and Zone 1 wiring methods can be found in the NEC and CEC WARNING Acetic acid will cause damage to metal components metal hardware ceramic IC s etc If damage results from the use of a sealant that outgases acetic acid R...

Page 10: ...ended that separate two wire shielded twisted pair cables be used for making the Modbus connections The spring type terminal block accepts 14 AWG to 20 AWG and the screw type terminal block accepts 12 AWG to 18 AWG stranded or solid wire Each wire should be stripped before wiring the S4000TH To connect wiring to the spring type terminal block insert a screwdriver into the orange tab and press down...

Page 11: ... cable length specifications Connect 24 VDC to TB2 position 9 Connect the ground or common wire to TB2 position 8 For making power and ground connections to display devices see Figures 2 and 3 To connect the analog signal please refer to Section 3 5 4 General Monitors recommends that the S4000TH Intelligent Sensor be calibrated 1 hour after start up and that the calibration be checked at least eve...

Page 12: ...ousness or death DO NOT OPEN WHEN AN EXPLOSIVE ATMOSHPERE IS PRESENT READ AND UNDERSTAND INSTRUCTION MANUAL BEFORE OPERATING OR SERVICING OPEN CIRCUIT BEFORE REMOVING COVER POTENTIAL ELECTROSTATIC CHARGING HAZARD USE ONLY DAMP CLOTH FOR CLEANING NE PAS OUVRIR UN PRÉSENCE D ATMOSPHÉRE EXPLOSIVE LIRE ET COMPRENDRE MANUEL D INSTRUCTIONS AVANT D UTILISER OU SERVICE OUVRIR LE CIRCUIT AVANT D ENLEVER LE...

Page 13: ...shall only be fitted to enclosures having a maximum reference pressure of 9 6 bar 1 3 System Integrity Verification To ensure operation at optimum performance General Monitors recommends that certain maintenance items be performed Commissioning Safety Systems Before power up verify wiring terminal connections and stability of mounting for all integral safety equipment including the following items...

Page 14: ...ently established through a documented procedure including a calibration log maintained by plant personnel or third party testing services Periodic System Verification The following system verifications should be performed at least annually Verify wiring terminal connections and stability of mounting for all integral safety equipment including the following items Power supplies Control modules Fie...

Page 15: ...dition while a red LED below the digital display signifies a warning condition Analog signal 4 20 mA and relays provide remote and or discrete indications of the sensor s operation Optional dual redundant Modbus HART or HART and single Modbus provide digital communication The S4000TH Intelligent Sensor is rated explosion proof for use in the following hazardous areas CSA FM Class I Division 1 Grou...

Page 16: ...equipment shipped by General Monitors is pre packed in shock absorbing containers which provide protection against physical damage original containers should be kept for future shipping or storage needs Shipping container contents should be carefully removed and checked against the packing list If any damage has occurred or there is any discrepancy in the order please notify General Monitors as so...

Page 17: ...erally experience suggests the device is more effective at detecting gas if the following recommendations are followed Mount sensor pointing down to prevent water build up on the sensor head Do not place sensor where contaminating substances may coat it Although the S4000TH is RFI resistant do not install sensor in close proximity to radio transmitters or similar equipment Locate the S4000TH where...

Page 18: ...to be powered Save the cap and re cap the sensor anytime the system power is off for more than 1 hour WARNING General Monitors discourages the painting of sensor assemblies If the sensor head is painted over the gas will not be able to diffuse into the sensor If the assembly cover is painted over the digital display cannot be read 3 3 1 Remote Mounting of the Sensor from the Electronics If it is n...

Page 19: ...Figure 5 should be used when making installation determinations A complete list of the mechanical specifications can be found in Section 9 3 2 To prevent possible corrosion due to moisture or condensation it is recommended that the conduit connected to the S4000TH housing contain a drain loop NOTE For ATEX and IECEx applications conduit connections must only be made via suitably certified ATEX or ...

Page 20: ...ed NOTE The S4000TH full 2 year warranty will be voided if customer personnel or third parties damage the S4000TH during repair attempts Sensor heads exposed to the elements may require the accessory mounting threads to be lubricated Grease must not be used As an alternate PTFE Teflon tape may be used on sensor accessory threads NOTE Do not use any material or substance on threads that contact the...

Page 21: ... captive screws on the board and lifting it straight up Connect the color coded wires from the sensor to the matching colored terminals on TB1 The label on the inside of the cover can serve as a guide Replace the display board by pressing it into place and tightening the two captive screws WARNING Do not connect 24 VDC to TB1 Damage to the electronics or sensor may result 3 5 2 Terminal Block TB2 ...

Page 22: ...r solid wire Each wire should be stripped before wiring the S4000TH To connect wiring to the spring type terminal block insert a screwdriver into the orange tab and press down Figure 10 Insert the wire into the terminal and release the orange tab clamping the wire in the terminal Check the hold of the wire by gently tugging it to ensure it is locked in To connect wiring to the screw type terminal ...

Page 23: ... Module TA202A Trip Amplifier Module without a PS002 Since the S4000TH is designed to operate continuously a power switch is not included in order to prevent accidental system shutdown NOTE Power must remain disconnected until all other wiring connections have been made See Section 9 3 3 for cable length specifications To connect 24 VDC to the S4000TH connect the red wire 24 VDC to TB2 position 9 ...

Page 24: ...than a General Monitors readout and relay display module is being used the DC ground COM of both systems must be connected together The analog output can also be configured as a HART communication link 3 5 5 Terminal Block TB3 Relay Connections TB3 contains the connections for the relay contacts optional The function for the warn and alarm relay connections vary according to the normal state of th...

Page 25: ...ual The cable armor must be terminated in a suitable cable gland at the detector to ensure a positive electrical connection 3 5 7 Cable Termination in the Non hazardous Area The cable armor must be connected to safety earth in the safe area The cable screen drain wire must be connected to an instrument earth in the safe area The power supply 0V return must be connected to an instrument earth in th...

Page 26: ...nch 0 038 mm Make sure that the flame path is clear of dirt and debris before replacing the cover This can be verified by tightening the cover bolts to a torque setting of 50 inch pounds or by using a feeler gauge to ensure the gap between the cover and the housing is less than 0 0015 inch 0 038 mm There are four entry holes one each on the left and right sides and two on the bottom of the S4000TH...

Page 27: ...r to the system for the first time all wiring connections should be checked for correctness and the housing cover replaced Upon first power up the sensor may take up to fifteen minutes to stabilize At the initial application of power the unit tests all LED segments by displaying 88 8 The software revision letter is then displayed for a few seconds When the software revision level appears the unit ...

Page 28: ... to provide the user with the most flexible H2S gas detector possible These options include selectable sensor range warn and alarm relay set points and configuration HART communications and Modbus communications settings These allow the unit to operate with a wide variety of PLC and DCS systems The following sections explain the available options and how they can be customized A flow diagram is in...

Page 29: ... Rm N If Hart Enabled Y N Figure 15 User Menu Structure NOTE Co stands for Calibration Output When Co is enabled and calibration is successful the analog output goes from 1 5 mA to 3 2 mA for five seconds settling at the desired value of 4 mA This option is commonly used with the General Monitors HazardWatch system 4 4 2 Sensor Range The sensor range is selectable between 0 20 ppm 0 50 ppm or 0 10...

Page 30: ...periods i e 10ppm for a 0 20ppm 25ppm for a 0 50ppm and 50ppm for a 0 100ppm It is important to note that changing a units range may require changing the sensor to match the new sensor range 1 sensor for 0 100ppm 5 sensor for 0 50ppm and 9 for 0 20ppm Once the operator reaches the calibration mode the operator will have 12 minutes to complete a calibration If the 12 minute timeframe elapses and th...

Page 31: ...ettings First the energized de energized state of the relay is displayed by either En or dE being displayed respectively Apply and remove the magnet until the desired state is displayed After a few seconds the latching non latching state of the relay is displayed by either La or nL Apply and remove the magnet until the desired state is displayed After a few seconds the current Alarm relay set poin...

Page 32: ...d Channel 2 addresses may be the same 4 5 HART This option is not shown if HART was not purchased for the S4000TH When HART is selected via setup the Channel 2 setup is not displayed or available When Channel 2 is changed from HART to Modbus the previous settings are used To change the HART setting of the S4000TH apply the magnet to the GM logo on the cover of the unit until SE is displayed then r...

Page 33: ... the unit will return to normal operation when the concentration drops below 5 full scale If after the reading has stabilized the sensor is to be calibrated simply apply the magnet to the GM logo on the housing cover and the unit will enter Calibration Mode Gas Check Mode can be aborted if gas has not been applied to the sensor Simply reapply the magnet to the GM logo on the cover and the unit wil...

Page 34: ...e analog output values To enter Calibration Mode place the magnet over the GM logo on the cover of the unit Figure 5 and hold it there until AC Figure 17 appears on the display about 10 seconds The display will flash the remaining sensor life Section 4 7 3 for a few seconds Ensure that the sensor is seeing clean air during this time Figure 17 Automatic Calibration Mode Apply the calibration gas co...

Page 35: ...estimate of sensor degradation derived from sensor sensitivity Because sensor sensitivity is affected by factors other than the natural sensor degradation users must establish their own reference by resetting sensor life whenever these factors are at play Some examples of these factors are new sensor installations sensor replacement change of the target gas and changes in the access of gas to the ...

Page 36: ...alternate method for introducing calibration or test gas to the S4000TH is available The H2S Portable Purge Calibrator is a compact practical accurate and safe system for field calibration of H2S sensors The bottle is filled with a hydrogen sulfide H2S in air mixture and is available in seven concentrations The temperature limitation for operation and storage is 0 F to 130 F 18 C to 54 C Figure 21...

Page 37: ...ng the sensor to see clean air The display will change from CC to indicate a few parts per million ppm and then drop to 0 The unit is now calibrated and the new values have been stored in the EEPROM non volatile memory See Section 9 5 for available equipment 4 8 3 Calibrating with an RGC The S4000TH has an optional accessory called the Remote Gas Calibrator RGC It s designed for remote or difficul...

Page 38: ...lth Safety Executive Component Approval No 1051U for use as a jointing compound on flameproof electrical enclosures This is available from General Monitors The neoprene rubber gasket should also be lubricated with Type P80 lubricant available from General Monitors P N 610 010 5 2 Storage The S4000TH Intelligent Sensor should be stored in a clean dry area and within the temperature and humidity ran...

Page 39: ... or if gas is left on for more than twelve minutes ACTION Remove gas if present Apply magnet to GM logo on the cover to clear fault Re calibrate if necessary 6 1 2 F3 Flash Checksum Error This fault indicates that the contents of the S4000TH s program memory have changed This usually occurs when powering the unit up after a lightning strike or large voltage transient on the power or signal lines t...

Page 40: ...mum cable resistance which the S4000TH can tolerate is dependent on the supply voltage 6 1 6 F7 EEPROM Verification Failure In the event of an EEPROM error the user must recycle the power to potentially clear the error After power reset the following may occur 1 Unit returns to normal a This indicates the EEPROM writing did not keep up with changing events or the Modbus write cycle is too fast 2 U...

Page 41: ...n power up 6 1 9 F10 Switch Error This fault occurs if either the remote test remote calibrate or magnetic switch is closed for more than two minutes ACTION Check the wiring on the remote reset and remote calibrate switches Once the short circuit is cleared the unit will return to normal operation If the magnetic switch is shorted the unit must be returned to the factory or to an authorized servic...

Page 42: ... info gm MSAsafety com IRELAND Ballybrit Business Park Galway Republic of Ireland H91 H6P2 Phone 353 91 751175 SINGAPORE No 2 Kallang Pudding Rd 09 16 Mactech Building Singapore 349307 Phone 65 6 748 3488 MIDDLE EAST PO Box 54910 Dubai Airport Free Zone United Arab Emirates Phone 971 4294 3640 Additional locations can be found on our web site www MSAsafety com Table 8 GM Locations ...

Page 43: ...ode 03 Read Holding Registers 3rd Starting Address Hi 00 Not Used by S4000TH 4th Starting Address Lo 00 FF Hex S4000TH Commands 5th No Of Registers Hi 00 Not Used by S4000TH 6th No Of Registers Lo 01 No Of 16 Bit Registers 7th CRC Lo 00 FF Hex CRC Lo Byte 8th CRC Hi 00 FF Hex CRC Hi Byte NOTE Address 0 is reserved for broadcast mode and will not be supported at this time NOTE Start Address can be ...

Page 44: ... S4000TH Hi Byte Command Data 6th Preset Data Lo 00 FF Hex S4000TH Lo Byte Command Data 7th CRC Lo 00 FF Hex CRC Lo Byte 8th CRC Hi 00 FF Hex CRC Hi Byte 8 5 Function Codes Supported Function Code 03 Read Holding Registers is used to read status from the slave unit Function Code 06 Preset Single Register is used to write a command to the slave unit 8 6 Exception Responses and Exception Codes 8 6 1...

Page 45: ...CRC Lo Byte 5th CRC Hi 00 FF Hex CRC Hi Byte 8 6 2 Exception Code Exception Code Field In a normal response the S4000TH returns data and status in the data field which was requested in the query from the master In an exception response the S4000TH returns an exception code in the data field which describes the S4000TH condition that caused the exception Below is a list of exception codes that are ...

Page 46: ...0012 Serial Number Lower serial number 32 bit R 000C 40013 Alarm Settings Read or change settings for the high alarm Bit 0 15 R W 000D 40014 Warn Settings Read or change settings for the low alarm Bit 0 15 R W 000E 40015 Com1 Addr Read or change settings for the Com1 Address Value 8 Bit R W 000F 40016 Com1 Baud Read or change settings for the Com1 Baud Rate Bit 0 7 R W 0010 40017 Com1 Data Format ...

Page 47: ...rors Total of RXD CRC Low Errors Same as 38 Value 16 Bit R 0026 40039 Ch1 Parity Errors Total parity errors Value 16 Bit R 0027 40040 Ch1 Overrun errors Total overrun errors Value 16 Bit R 0028 40041 Ch1 Framing errors Total Framing errors Value 16 Bit R 0029 40042 Ch1 Software Errors Total Software request errors Value 16 Bit R 002A 40043 Not used 002B 40044 Clear CH1 Errors Clear Ch1 Hardware Er...

Page 48: ...rrors Value 16 Bit R 007A 40123 Not used Not used 007B 40124 Ch2 Clear errors Ch2 Clear Hardware errors Bit 0 R W 007C 40125 Ch2 Clear errors Ch2 Clear Software errors Bit 0 R W 007D 40126 Not used Not used 007E 40127 Table 11 Command Register Locations 8 8 S4000TH Command Register Details 8 8 1 Analog 00H A read returns a value which is proportional to the 0 20 mA output current The current is ba...

Page 49: ...d Switch Error 8 Read Setup Error 7 Read Calibration Check Timeout 6 Read EEPROM Error 5 Read EPROM Error 4 Read Sensor Error 3 Read Fail to Calibrate 2 Read Low Supply Voltage 1 Read 8 8 4 Not Used 03H 8 8 5 Unit Type 04H A read returns the decimal value 4005 This identifies the S4000TH 8 8 6 Software Revision 05H A read returns the software revision of the S4000TH in 2 ASCII characters 8 8 7 Sta...

Page 50: ...0 0020 0010 0008 0004 0002 0001 8 8 10 Error Sensor Sensor Life 08H 8 8 10 1 Upper Bit for Sensor Errors Setup error 80 Cal Check error 40 EEPROM Check sum error 20 Flash Check sum 10 Sensor 08 Calibration error 04 Low supply 02 NA 01 8 8 10 2 Lower Bit for Sensor Life Sensor Life 0 100 8 8 11 Display 0x09H 0x0AH The display is also present on the Modbus It is at address 0x09 and 0x0A The first ad...

Page 51: ...ains the upper part 8 8 13 Alarm Settings 0DH A read returns the present alarm settings of the S4000TH A write command changes the settings to the requested values The set points are programmable in 5 FS steps 1 FS steps for 20 ppm range NOTE The maximum alarm setting for the S4000TH is 60 FS A 1 in the 9th bit position means the output is latching a 0 means it is non latching A 1 in the 8th bit p...

Page 52: ...e set above the alarm set point Factory default is 30 FS non latching de energized The maximum allowable set point is 50 ppm Exception Returns an Exception Code 01 illegal function if an illegal write is requested Byte Function Bit Position Access High Not Used 15 MSB Read Not Used 14 Read Not Used 13 Read Not Used 12 Read Not Used 11 Read Not Used 10 Read Latching Non Latching 9 R W Energized De ...

Page 53: ... 8 8 18 Com2 Address 12H A read command returns the current address for Com2 A write command changes the address to the requested values Valid addresses are 1 247 decimal Factory default is 2 Exception If the address is not in range an illegal data value 03 is returned 8 8 19 Com2 Baud Rate 13H A read command returns the current baud rate for Com2 A write command changes the baud rate to the reque...

Page 54: ... write changes the scale to the desired scale If the scale is changed a calibration fault is generated forcing the operator to calibrate the unit H2S Sensor Scale Value decimal 0 20 ppm 20 0 50 ppm 50 0 100 ppm 100 Table 16 Sensor Scale 8 8 25 HazardWatch Co Calibration Output 19H HazardWatch indicates when a successful calibration takes place In HazardWatch mode the current goes to 3 2 mA for fiv...

Page 55: ... in the slave device When the counter for these errors reaches 255 it rolls over to zero and begins counting again 8 9 6 Starting Address Errors 24H The counter is incremented for each address that does not equal the device address A read indicates the number of starting address errors that occurred in the slave device When the counter for these errors reaches 255 it rolls over to zero and begins ...

Page 56: ... 8 9 14 Clear Hardware Errors 2CH Clear parity framing and overrun errors 8 9 15 Clear Communication Errors 2DH 8 9 15 1 HART Low Current Select 2EH Normally in HART mode the low current does not decrease below 3 5 mA If use of current levels below 3 5mA is required by an application the S4000TH features and expanded scale that permits faults to be set as low as 1 25 mA A read returns 1 or 0 Condi...

Page 57: ...calibration increments the maintenance counter There are a total of 10 event time stamps stored Setting structure clock See table below Event Logging Registry Table Address hex Parameter Function Data Type Data range Access 30 Seconds Time Hi Seconds Time Hi Numeric value 0 65535 Timer Sec 31 Seconds Time Low Seconds Time Numeric value 0 65535 Timer Sec 32 Real Time Clock Year Month Read Set year ...

Page 58: ...meric value 0 65535 Alarm 44 Reserved Reserved Numeric value 0 45 Reserved Reserved Numeric value 0 46 Alarm Event Count Alarm Event Count Numeric value 0 65535 Alarm 47 Fault Seconds Time Hi Seconds Time Hi for fault event log entries Numeric value 0 65535 Fault 48 Seconds Time Low Seconds Time Low for fault event log entries Numeric value 0 65535 Fault 49 Structure time Hi Hi byte year low byte ...

Page 59: ...5 Calibrate 5A Structure time Mid Hi byte day low byte hour lamp test event log entries Numeric value 0 65535 Calibrate 5B Structure time Low Hi byte min low byte sec for lamp test event log entries Numeric value 0 65535 Calibrate 5C Calibrate code Cal Numeric value 0 Calibrate 5D Reserved Reserved Numeric value 0 5E Calibrate Count Calibrate Count Numeric value 0 65535 Calibrate 5F Reset Event Co...

Page 60: ...ad indicates the number of RXD CRC errors that occurred in the slave device The maximum count is 65535 and then the counter will rollover to zero and begin counting again 8 9 23 CH2 RXD CRC Errors Lo Same as Hi 76H NOTE Hi and Lo CRC errors are now reported in the same word A read from either Hi or Lo will return the same count 8 9 24 CH2 Parity Errors 77H A read indicates the number of hardware U...

Page 61: ...Model S4000TH 53 8 9 28 Not Used 7BH 8 9 29 CH2 Clear UART Errors 7CH 8 9 30 CH2 Clear Stats 7DH ...

Page 62: ...s stated herein are in lieu of all obligations or liabilities on the part of General Monitors for damages including but not limited to consequential damages arising out of or in connection with the performance of the product 9 2 Principle of Operation General Monitors uses a proprietary Metal Oxide Semiconductor MOS film on the sensor for detecting hydrogen sulfide H2S gas The MOS film is deposite...

Page 63: ...mm Height 3 4 inches 86 mm Width 4 1 inches 104 mm Weight 5 5 lbs 2 5 kg AL 14 0 lbs 6 4 kg SS Mounting Holes 5 0 inches 127mm center to center Housing Aluminum alloy 6061 T6 cover A356 T6 base or 316 stainless steel 9 3 3 Electrical Specifications Input Power 24 VDC nominal 20 to 36 VDC 350 mA max Power Consumption Start up 270 mA Normal Operation 120 mA Relay Ratings 8 A 250 VAC 8 A 30 VDC resis...

Page 64: ...commended analog output cable length is shown in Table 18 The total resistance should not exceed 600 Ohms 24 Volts AWG FEET METERS 14 8000 2400 16 5000 1500 18 3100 950 20 2000 600 Table 18 Analog Output Cable Lengths Maximum distance between the transmitter and sensor with one way resistance of 10 Ohms 20 Ohm loop AWG FEET METERS 14 4000 1200 16 2500 750 18 1500 460 20 1000 300 Table 19 Sensor Ca...

Page 65: ...directly and give the following information Part Number of Spare Part or Accessory Description of Spare Part or Accessory Quantity of Spare Part or Accessory 9 5 1 Sensors 50445 1 0 to 100 ppm Aluminum Body Wire Screen Arrestor 50445 5 0 to 50 ppm Aluminum Body Wire Screen Arrestor 50445 9 0 to 20 ppm Aluminum Body Wire Screen Arrestor 50448 1 0 to 100 ppm Stainless Steel Body Wire Screen Arrestor...

Page 66: ...poules at 10 ppm 0 20ppm scale 50009 9 12 Ampoules at 50 ppm includes breaker bottle 0 100 ppm scale 50009 16 12 Ampoules at 25 ppm includes breaker bottle 0 50 ppm scale 50009 10 12 Ampoules at 10 ppm includes breaker bottle 0 20 ppm scale 1400250 1 10 ppm H2S Portable Purge Calibration Assembly 1400250 3 25 ppm H2S Portable Purge Calibration Assembly 1400250 5 50 ppm H2S Portable Purge Calibrati...

Page 67: ... 9 5 5 Intelligent Sensor S4000TH Replacement Parts 32471 1 2 3 4 Control Board Electronics 32451 1 2 Output Board Electronics 32441 1 Display Board Electronics 32424 2 Enclosure Cover Assembly with Window 31195 2 Enclosure Base Assembly 30060 1 Calibration Magnet 925 5007 Cover Assembly O Ring 9 5 6 Recommended Spare Parts for One Year 30060 1 Extra Calibration Magnet Qty 1 ...

Page 68: ...sensors have been FMRC approved for use with the Model S4000TH 50445 1 Aluminum Body H2S Gas Specific MOS Sensor 0 to 100 ppm 50445 5 Aluminum Body H2S Gas Specific MOS Sensor 0 to 50 ppm 50445 9 Aluminum Body H2S Gas Specific MOS Sensor 0 to 20 ppm 50448 1 Stainless Steel Body H2S Gas Specific MOS Sensor 0 to 100 ppm 50448 5 Stainless Steel Body H2S Gas Specific MOS Sensor 0 to 50 ppm 50448 9 Sta...

Page 69: ...pose according to WEEE regulations For further General Monitors product WEEE disposal information please visit www MSAsafety com All other countries or states please dispose of in accordance with existing federal state and local environmental control regulations ADDENDUM Product Disposal Considerations ...

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