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MSA Ultima MOS-5, Инструкция по эксплуатации

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Ultima MOS-5 Detector

 

  

53 

   

8.9.26 CH2 Framing Errors (79H) 

A read indicates the number of hardware UART framing errors that occurred in the slave 
device.  The maximum count is 65535 and then the counter will rollover to zero and begin 
counting again. 

8.9.27 CH2 Total Software CH1 Errors (7AH) 

A read indicates the number of address or data errors that occurred in the slave device.  The 
maximum count is 65535 and then the counter will rollover to zero and begin counting again. 

8.9.28 Not Used (7BH) 

8.9.29 CH2 Clear UART Errors (7CH) 

8.9.30 CH2 Clear Stats (7DH) 

 

 

Содержание Ultima MOS-5

Страница 1: ...y for the purposes and to the extent specifically authorized in writing by MSA Instruction Manual 04 14 MSA reserves the right to change published specifications and designs without prior notice MANMOS5 Part No MANMOS5 Revision 1 Ultima MOS 5 Intelligent Sensor for Hydrogen Sulfide Gas Detection ...

Страница 2: ...Ultima MOS 5 Detector i This page intentionally left blank ...

Страница 3: ...ctions 11 3 5 1 Terminal Block TB1 Sensor Connections 11 3 5 2 Terminal Block TB2 Power and Signal Connections 12 3 5 3 DC Power and Ground Connections 13 3 5 4 Analog Signal Connections 13 3 5 5 Terminal Block TB3 Relay Connections 14 3 5 6 European Union EU Approved Applications 15 3 5 7 Cable Termination in the Non hazardous Area 15 3 6 Maintaining the X P Integrity 15 4 0 OPERATION 17 4 1 Star...

Страница 4: ...er Shorted Error 30 6 1 5 F6 Low Supply Voltage 30 6 1 6 F7 EEPROM Verification Failure 30 6 1 7 F8 Failure to Complete Setup 30 6 1 8 F9 Gas Check Period Exceeded 31 6 1 9 F10 Switch Error 31 6 1 10 F11 Internal Error 31 7 0 CUSTOMER SUPPORT 32 7 1 MSA Office 32 8 0 MODBUS INTERFACE 33 8 1 Baud Rate 33 8 2 Data Format 33 8 3 Modbus Read Status Protocol Query Response 33 8 3 1 Modbus Read Query Me...

Страница 5: ... 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 10 Overrun Errors 28H 48 8 9 11 Framing Errors 29H 48 8 9 12 Total Software CH1 Errors 2AH 48 8 9 13 Not Used 2BH 48 8 9 14 Clear ...

Страница 6: ...5 9 3 2 Mechanical Specifications 55 9 3 3 Electrical Specifications 55 9 3 4 Environmental Specifications 57 9 4 Approvals 57 9 5 Spare Parts and Accessories 57 9 5 1 Sensors 57 9 5 2 Sensor Housing 58 9 5 3 Sensor Accessories 58 9 5 4 Calibration Equipment 58 9 5 5 Intelligent Sensor Ultima MOS 5 Intelligent Sensor Replacement Parts 59 9 5 6 Recommended Spare Parts for One Year 59 9 6 FM Approva...

Страница 7: ...mensions in inches 10 Figure 6 Ultima MOS 5 Intelligent Sensor Terminal Block Locations 11 Figure 7 Spring Type Terminal Block Operation 12 Figure 8 Screw Type Terminal Block Operation 13 Figure 9 Wire Strip Length 13 Figure 10 Relay Protection for DC and AC Loads 14 Figure 11 Relay Reset 18 Figure 12 User Menu Structure 19 Figure 13 Gas Check 23 Figure 14 Automatic Calibration Mode 24 Figure 15 C...

Страница 8: ...onnections 14 Table 5 MSA Contact Information 32 Table 6 Data Format 33 Table 7 Exception Codes 37 Table 8 Command Register Locations 40 Table 9 Com1 Baud Rate 45 Table 10 Com1 Data Format 45 Table 11 Com2 Baud Rate 45 Table 12 Com2 Data Format 46 Table 13 Sensor Scale 46 Table 14 24 VDC Cable Lengths 56 Table 15 Analog Output Cable Lengths 56 Table 16 Sensor Cable Lengths 56 ...

Страница 9: ...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 Ultima MOS 5 Intelligent Sensor Outline and Mounting Dimensions in inches Terminal Connections The terminal blocks TB are located inside the housing and can be accessed by removing the cover A label inside of the housing cover provides a d...

Страница 10: ...o connect wiring to the screw type terminal block loosen the top screw counter clock wise Figure 3 Insert the wire into the terminal and tighten the top screw clockwise Figure 3 Screw Type Terminal Block Operation NOTE Power must remain disconnected until all other wiring connections have been made The maximum distance between the Ultima MOS 5 Intelligent Sensor and the power supply is 2 000 feet ...

Страница 11: ... that the calibration be checked at least every 90 days to ensure system integrity The instrument is now ready to operate Please consult the manual for more information on the instrument s many features NOTE If in case of device failure during set up or testing please consult Troubleshooting Sec 6 0 or call the factory ...

Страница 12: ...drogen sulfide H2S is an extremely toxic gas and exposure may result in a loss of consciousness 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 NE PAS OUVRIR UN PRÉSENCE D ATMOSPHÉRE EXPLOSIVE LIRE ET COMPRENDRE MANUEL D INSTRUCTIONS AVANT D UTILISER OU SERVICE OUVRIR LE CIRCUIT AVA...

Страница 13: ...ty of mounting for all integral safety equipment including the following items Power supplies Control modules Field detection devices Signaling and output devices Accessories connected to field and signaling devices After the initial application of power and any factory specified warm up period to the safety system verify that all signal outputs to and from devices and modules are within the manuf...

Страница 14: ... 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 Field detection devices Signaling and output devices Accessories connected to field and signaling devices Calibration interv...

Страница 15: ...er A red LED above the digital display signifies an alarm condition 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 Ultima MOS 5 Intelligent Sensor is rated explosion proof for u...

Страница 16: ...o ensure that only the connection points are touched 3 2 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 not included Adjustable wrench for conduit or cable gland connections not included 3 3 Choosing Product Locations There are no standard rules for sensor placement since the op...

Страница 17: ... any such installation Sensors used in these areas usually require more frequent calibration checks than normal and typically have a shorter life In many such applications the standard 2 year warranty would not apply IMPORTANT Each H2S sensor is shipped with a red plastic cap fitted over the sensor head Inside the cap is a desiccant Do not remove this cap until the system is ready to be powered Sa...

Страница 18: ... 5 Intelligent Sensor housing should be sealed or contain a drain loop NOTE For ATEX and IECEx applications conduit connections must only be made via suitably certified ATEX or IECEx as appropriate conduit stopping boxes Information on Class I Division 1 and Zone 1 wiring methods can be found in the NEC or CEC Figure 5 Ultima MOS 5 Intelligent Sensor Outline and Mounting Dimensions in inches WARNI...

Страница 19: ...ropriate halogen free solvent Water or ethanol is an example of a suitable solvent The accessories should be thoroughly dried with compressed air if necessary before refitting to the sensor body 3 5 Terminal Connections The terminal blocks TB are located inside the housing and can be accessed by removing the cover A label on the inside of the housing cover provides details of all the terminal conn...

Страница 20: ...tion on the Ultima MOS 5 Intelligent Sensor It is also recommended 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 Ultima MOS 5 Intelligent Sensor To connect wiring to t...

Страница 21: ...ctions have been made See Section 9 3 3 for cable length specifications To connect 24 VDC to the Ultima MOS 5 Intelligent Sensor connect the red wire 24 VDC to TB2 position 9 Connect the ground or common wire to TB2 position 8 3 5 4 Analog Signal Connections The Ultima MOS 5 Intelligent Sensor Intelligent Transmitter provides a 4 to 20 mA output signal This signal can be sent to an industrial anal...

Страница 22: ...Normally Closed Normally Open 2 Common Common 3 Normally Open Normally Closed Table 2 Alarm Relay Connections TB3 position Relay Contact De Energized Relay Contact Energized 4 Normally Closed Normally Open 5 Common Common 6 Normally Open Normally Closed Table 3 Warn Relay Connections TB3 position Relay Contact Energized 7 Normally Open 8 Common 9 Normally Closed Table 4 Fault Relay Connections NOT...

Страница 23: ...ith radio transmitters welders switch mode power supplies inverters battery chargers ignition systems generators switch gear arc lights and other high frequency or high power switching process equipment In general a minimum separation of at least 1 meter between instrument and other cables should be maintained Greater separations are required where long parallel cable runs are unavoidable Avoid ru...

Страница 24: ...nd two on the bottom of the Ultima MOS 5 Intelligent Sensor housing These holes are dedicated for the sensor the reset switch and conduit Each hole is tapped for NPT threads If a particular entry hole is not used it must be plugged during operation in the field The factory installs plugs in the unused entry holes except one A red plastic cap is placed into the remaining hole and must be removed be...

Страница 25: ...e applying power 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 test all LED segments by displaying 88 8 The software revision letter is then displayed for a few seconds When the software revision level app...

Страница 26: ...lectable Options The Ultima MOS 5 Intelligent Sensor includes many selectable options 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 secti...

Страница 27: ... Am Am SE Hm Rm N If Hart Enabled Y N Figure 12 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 MSA Model 10000 Controller system 4 4 2 Sensor Range The sensor range is selectable between 0 20 ppm 0 50 p...

Страница 28: ...the scale is changed during normal calibration maintenance 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 unit s range may require changing the sensor to match the new sensor range 1 sensor for 0 100 ppm 5 sensor for 0 50 ppm and 9 for 0 20 ppm Once the operator reaches the calibration mode the operator will have 12 minutes to c...

Страница 29: ...f the unit until SE is displayed then remove the magnet This puts the unit into setup mode After a few seconds Hi will be displayed Apply and remove the magnet to change the alarm or high alarm settings 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...

Страница 30: ...ogo and set the unit in set up mode Once CH2 is displayed follow the same steps as in section 4 4 5 above Default settings for Channel 2 are address 2 19 2k baud 8 N 1 NOTE The address can be adjusted from 1 to 247 Channel 1 and Channel 2 addresses may be the same 4 5 HART This option is not shown if HART was not purchased for the Ultima MOS 5 Intelligent Sensor When HART is selected via setup the...

Страница 31: ...he MSA logo on the cover of the Ultima MOS 5 Intelligent Sensor Remove the magnet when a flashing pair of bars appears on the display about 10 seconds Figure 13 Apply the test gas to the sensor The value of the gas concentration will be indicated by the flashing display and should stabilize in 1 to 2 minutes Figure 13 Gas Check When the reading has stabilized and the test is complete remove the ga...

Страница 32: ...ensor environment with clean air Entering Calibration Mode automatically disables the alarm circuits by sending a 1 5 mA output signal and disabling the warn and alarm relays if present This will also prevent activation of the remote relay contacts when using an MSA readout relay display module with the Ultima MOS 5 Intelligent Sensor Please see section 9 3 3 for more information on the analog out...

Страница 33: ... is applied for 12 minutes the unit reverts to a Fault F2 condition Re applying the magnet over the MSA logo returns the unit to operational mode with the previous calibration values unchanged 4 7 3 Remaining Sensor Life The Ultima MOS 5 Intelligent Sensor provides an estimate of remaining sensor life in percent remaining to provide the user with an early warning of the need for sensor replacement...

Страница 34: ...o the breaker slot and the breaker bottle is placed over the sensor The ampoule should contain 50 FS of H2S of the sensor range Follow the calibration procedure in Section 4 7 When the display indicates AC break the ampoule by turning the thumbscrew on the side of the breaker bottle clockwise The display will change to CP indicating that the sensor is seeing the gas When the display reads CC the c...

Страница 35: ...agnet over the MSA logo on the cover of the unit When the letters AC appear in the display window remove the magnet and apply the calibration gas 50 of full scale by opening the valve on the cylinder When the sensor begins to see the gas the display will change from AC to CP to indicate Calibration in Progress When the calibration sequence is complete the display will change from CP to CC to indic...

Страница 36: ...has BASEEFA Health Safety Executive Component Approval No 1051U for use as a jointing compound on flameproof electrical enclosures This is available from MSA The neoprene rubber gasket should also be lubricated with Type P80 lubricant available from MSA P N 610 010 5 2 Storage The Ultima MOS 5 Intelligent Sensor should be stored in a clean dry area and within the temperature and humidity ranges qu...

Страница 37: ... more than twelve minutes ACTION Remove gas if present Apply magnet to MSA 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 Ultima MOS 5 Intelligent Sensor 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...

Страница 38: ...ctrical resistance of the leads The maximum cable resistance which the Ultima MOS 5 Intelligent Sensor 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 u...

Страница 39: ...ay go upscale upon 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 ...

Страница 40: ...mer service msanet com MSA Corporate 1000 Cranberry Woods Drive Cranberry Twp PA 16066 United States Toll Free 1 800 MSA 7777 Email customer service MSAnet com MSA Europe Thiemannstrasse 1 12059 Berlin Germany Phone 49 30 68 86 0 Fax 49 30 68 86 15 58 Email info de MSAsafety com Additional MSA office locations can be found on our website www MSAsafety com Table 5 MSA Contact Information ...

Страница 41: ...odbus Read Query Message Byte Modbus Range Referenced to Ultima MOS 5 Intelligent Sensor 1st Slave Address 1 247 Decimal Ultima MOS 5 Intelligent Sensor ID Address 2nd Function Code 03 Read Holding Registers 3rd Starting Address Hi 00 Not Used by Ultima MOS 5 Intelligent Sensor 4th Starting Address Lo 00 FF Hex Ultima MOS 5 Intelligent Sensor Commands 5th No Of Registers Hi 00 Not Used by Ultima M...

Страница 42: ...47 Decimal Ultima MOS 5 Intelligent Sensor ID Address 2nd Function Code 03 Read Holding Registers 3rd Byte Count 02 No Of Data Bytes 4th Data Hi 00 FF Hex Ultima MOS 5 Intelligent Sensor Hi Byte Status Data 5th Data Lo 00 FF Hex Ultima MOS 5 Intelligent Sensor Lo Byte Status Data 6th CRC Lo 00 FF Hex CRC Lo Byte 7th CRC Hi 00 FF Hex CRC Hi Byte ...

Страница 43: ...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 a maximum of 9999 Address Locations 0000 270E 8 4 2 Modbus Write Response Message Byte Modbus Range Referenced to Ultima MOS 5 Intelligent Sensor 1st Slave Address 1 247 Decimal Ultima MOS 5 Intelligent Sensor ID Address 2nd Functi...

Страница 44: ...evice eventually processes a timeout condition for the query If the Ultima MOS 5 Intelligent Sensor receives the query without a communications error but cannot process the response to the master within the master s timeout setting then no response is returned from the Ultima MOS 5 Intelligent Sensor The master device eventually processes a timeout condition for the query In order to prevent this ...

Страница 45: ...ensor 02 Illegal Data Address The data address received in the query is not an allowable address for the Ultima MOS 5 Intelligent Sensor 03 Illegal Data Value A value contained in the query data field is not an allowable value for the Ultima MOS 5 Intelligent Sensor 04 Slave Device Failure An unrecoverable error occurred while the Ultima MOS 5 Intelligent Sensor was attempting to perform the reque...

Страница 46: ...B 40012 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 Form...

Страница 47: ...6 Bit R 0025 40038 RXD CRC Low Errors 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...

Страница 48: ...ter Errors Value 16 Bit R 0074 40117 Ch2 CRC errors Value 16 Bit R 0075 40118 Ch2 CRC errors Value 16 Bit R 0076 40119 Ch2 Parity Errors Total parity errors Value 16 Bit R 0077 40120 Ch2 Overrun errors Total overrun errors Value 16 Bit R 0078 40121 Ch2 Framing errors Total Framing errors Value 16 Bit R 0079 40122 Ch2 Software Errors Total Ch 2 Software request errors Value 16 Bit R 007A 40123 Not ...

Страница 49: ...calibrate command returns an exception code 01 Acknowledge 05 The operation will take a long time to complete Function Bit Position Access Calibration Complete 7 MSB Read Spanning 6 Read Zero Complete Waiting for Gas 5 Read Zeroing 4 Read Calibration Mode 3 Read Write Calibration Check Mode 2 Read Write Run Mode 1 Read Startup Mode 0 LSB Read 8 8 3 Status Error 02H A read returns the alarm state a...

Страница 50: ...rs can be read individually or as a group Only when the starting address is 06 is a block return 8 8 8 Analog Value 06H A value which is proportional to the 0 20 mA output current The current is based on a 16 bit value The scaling is 0 65535 decimal which corresponds to 0 21 7 mA 8 8 9 Mode Error 07H See mode 02 Calibration Complete 8000 Spanning 4000 Zero Complete Waiting for Gas 2000 Zeroing 100...

Страница 51: ... 32 bit word but the value is only 23 bits long The upper bits are always zero This is done to keep the same serial number as the HART serial number Address 0x0C contains the lower part of the number and address 0X0B contains the upper part 8 8 13 Alarm Settings 0DH A read returns the present alarm settings of the Ultima MOS 5 Intelligent Sensor A write command changes the settings to the requeste...

Страница 52: ...d The warn set point cannot be 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...

Страница 53: ...rned 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 r...

Страница 54: ...nges 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 13 Sensor Scale 8 8 25 MODEL 10K Controller Co Calibration Output 19H This register indicates when a successful calibration takes place In MODEL 10K Controller mode the current goes to 3 2 ...

Страница 55: ...rred 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 beg...

Страница 56: ... 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 Ultima MOS 5 Intelligent Sensor features and expanded scale that permits faults to be set as low as 1 25 mA A read ...

Страница 57: ...ce The time a Check Calibration occurs is saved in the maintenance event log Each successful 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 ...

Страница 58: ...ructure time Mid Hi byte day low byte hour alarm event log entries Numeric value 0 65535 Alarm 43 Structure time 44Low Hi byte min low byte sec for alarm event log entries Numeric 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 lo...

Страница 59: ... lamp test event log entries Numeric value 0 65535 Calibrate 58 Seconds Time Low Seconds Time Low for lamp test event log entries Numeric value 0 65535 Calibrate 59 Structure time Hi Hi byte year low byte month for lamp test event log entries Numeric value 0 65535 Calibrate 5A Structure time Mid Hi byte day low byte hour lamp test event log entries Numeric value 0 65535 Calibrate 5B Structure time...

Страница 60: ...rors 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 21 CH2 Number of Register Errors 74H A read indicates the number of register 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 22 CH2 RXD CRC Errors Hi 75H A read indicates...

Страница 61: ...35 and then the counter will rollover to zero and begin counting again 8 9 27 CH2 Total Software CH1 Errors 7AH A read indicates the number of address or data 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 28 Not Used 7BH 8 9 29 CH2 Clear UART Errors 7CH 8 9 30 CH2 Clear Stats 7DH ...

Страница 62: ...ARE IN LIEU OF ALL OBLIGATIONS OR LIABILITIES ON THE PART OF MSA 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 MSA uses a proprietary Metal Oxide Semiconductor MOS film on the sensor for detecting hydrogen sulfide H2S gas The MOS film is deposited onto a substrate between two electrodes ...

Страница 63: ...ches 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 Housing 5 0 inches 127mm center to center 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 resistive max 3x SPDT...

Страница 64: ... 205 Table 14 24 VDC Cable Lengths Based on 20 Ohm cable resistance the recommended analog output cable length is shown in Table 16 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 15 Analog Output Cable Lengths Maximum distance between the transmitter and sensor with one way resistance of 10 Ohms 20 Ohm loop AWG FEET ...

Страница 65: ... 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 50448 5 0 to 50 ppm Stainless Steel Body Wire Screen Arrestor 5...

Страница 66: ...t 50000 Breaker Bottle Single 50004 3 Individual Ampoules 10 ppm 12 minimum 50004 21 Individual Ampoules 25 ppm 12 minimum 50004 13 Individual Ampoules 50 ppm 12 minimum 50008 9 12 Ampoules at 50 ppm 0 100ppm scale 50008 16 12 Ampoules at 25 ppm 0 50ppm scale 50008 10 12 Ampoules 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 2...

Страница 67: ... Hose Clamp 1400152 1 Calibration Cup 9 5 5 Intelligent Sensor Ultima MOS 5 Intelligent Sensor 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 30051 1 Explosion Proof SPST Switch 30060 2 Calibration Magnet 925 5007 Cover Assembly O Ring 9 5 6 R...

Страница 68: ...ol instrument to which the subject instrument is connected must also be FMRC approved The following sensors have been FMRC approved for use with the Ultima MOS 5 Intelligent Sensor 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...

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