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MSA SMC 5100-02-IT Operating Manual
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MSA SMC 5100-02-IT Operating Manual

MSA SMC 5100-02-IT Operating Manual

Gas sensor module
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Operating Manual
SMC 5100-02-IT Gas Sensor Module
Document No./Revision: T12019/04
Print Spec: 10000005389 (R)
CR: 800000068462
MSAsafety.com

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Summary of Contents for MSA SMC 5100-02-IT

  • Page 1 Operating Manual SMC 5100-02-IT Gas Sensor Module Document No./Revision: T12019/04 Print Spec: 10000005389 (R) CR: 800000068462 MSAsafety.com...
  • Page 2 The warranties made by MSA with respect to the product are voided if the product is not installed and used in accordance with the instructions in this manual. Please protect yourself and your employees by following the instructions.

  • Page 3: Table Of Contents

    3.3.4 General Enclosure Installation Transmitter and Sensor Installation Module Address Switch Operation Introduction Data Entry Keypad Main Menu Set-Up Maintenance Sub-Menu Calibration Calibration Frequency Calibration Preparation Calibration Gas Delivery Methods Sensor Exposure to Gas Calibration Sub-Menu SMC 5100-02-IT Gas Sensor...
  • Page 4 7.6.9 Diagnostic LEDs 7.6.10 Error Messages Parts List Combustible Gas Scaling Factors Limited Warranty Remote Sensor Drawing Modbus Memory Map HART Additional Information 14.1 Adjusting the Gain Set of a Sensor for Extended Life and Calibration SMC 5100-02-IT Gas Sensor...

  • Page 5: Product Description

    Failure to follow these warnings can result in serious personal injury or death. General The Model SMC 5100-02-IT Infrared Combustible Gas Sensor Module is a smart transmitter and member of the IT Series family and it offers a broad array of features including: •...

  • Page 6: Product Configuration

    When the module is operated in conjunction with a Sentry controller, the alarm relay set-up (Section 4.3 Main Menu) should be set to “Sentry”, allowing the Sentry controller to manage alarm relay action rather than the SMC 5100-02-IT Gas Sensor Module. 1.4.2 Modbus Operation An RS-485 Modbus RTU serial interface allows direct connection to standard PLCs and DCSs.

  • Page 7: Optional Integral Relays

    1.5.1 Enclosure Standard on the SMC 5100-02-IT is a cast aluminum electrical housing with three ¾” FNPT conduit hubs. The SMC 5100- 02-IT-S has a 316 Stainless Steel enclosure. Both enclosure covers have a viewing window. The design of the enclosure allows 3-way mounting choices as shown below.

  • Page 8: Transmitter Electronics

    Power Requirements The modules operate on 24 VDC power between 10 VDC and 30 VDC. Filtered, regulated DC power must be supplied from a separate source or from an approved Sentry or IT controller. SMC 5100-02-IT Gas Sensor...

  • Page 9: Catalytic Bead Sensor Modules

    Carbon Disulfide n-Hexane Hydrazine Toluene Carbon Monoxide Hydrogencyanide Triethylamine Carbon Hydrogen Trimethylamine Oxysulphide Hydrogen Sulfide Vinylethylether Chlorobenzene Methane o-Xylene Cyanogen Methyl Actetate m-Xylene Cyclohexane Methyl Alcohol p-Xylene Cyclopropane Methylamine JP-4 (Jet Fuel) n-Decane Methyl Bromide Diethylamine SMC 5100-02-IT Gas Sensor...

  • Page 10: Quick Start

    For instance, when the range of 0 to 100 %LEL has been selected, a current of 4 mA corresponds to 0 %LEL and a current of 20 mA corresponds to 100 %LEL. SMC 5100-02-IT Gas Sensor...

  • Page 11: Installation

    If the gas is heavier than air, the sensor module should be installed within 24 inches of the ground or floor. If it is lighter than air, move it above 6’. SMC 5100-02-IT Gas Sensor...

  • Page 12: Wiring

    Installation and wiring must be in accordance with the National Electrical Code. Voltage AC conductors are not to be run in the same conduit as voltage DC conductors. Failure to follow these warnings can result in serious personal injury or death. SMC 5100-02-IT Gas Sensor...

  • Page 13: Analog 4-20 Ma Operation

    Sentry controller. Shield must be cut and dressed at the module end so that no part of it comes in contact with the conduit or ground. NOTE: Ensure all local electric code and safety requirements are followed when installing the SMC 5100-02-IT. SMC 5100-02-IT Gas Sensor...

  • Page 14: General

    3. For hazardous locations an Explosion poof seal fitting must be installed within 18" of the detector. NOTE: When enclosure earth grounding is required for the installation a grounding lug is located in the base of the enclosure. Install the earth ground under the green ground screw. SMC 5100-02-IT Gas Sensor...

  • Page 15: Transmitter And Sensor Installation

    ** Trouble relay is a fail-safe so it is energized for normal operation, functions are labeled for normal operation. NOTE: The starting delay period normally takes approximately 3 minutes but under some circumstances can take longer. For optimum performance, a calibration should be performed after 24 hours of operation. SMC 5100-02-IT Gas Sensor...

  • Page 16: Module Address Switch

    Software Menu NOTE: Use selector switch to pick Sentry PSG addresses 1 through 8 only. If using Modbus output sensor, addresses 1-15 are available. Position 0 enables setting Modbus Address by software menu, in range 16-254. SMC 5100-02-IT Gas Sensor...
  • Page 17 3 Installation Interface Board Connectors RS-485 – Termination, BIAS Jumper SMC 5100-02-IT Gas Sensor...
  • Page 18 3 Installation mA Circuit Types SMC 5100-02-IT Gas Sensor...
  • Page 19 3 Installation 4-20 mA Circuit Type Connections for SMC 5100-02-IT SMC 5100-02-IT Gas Sensor...
  • Page 20 3 Installation Wiring Connections for Modbus and Sentry Interface SMC 5100-02-IT TO SENTRY SMC 5100-02-IT TO MODBUS DEVICE SMC 5100-02-IT Gas Sensor...
  • Page 21 3 Installation Wiring Connections for Remote Alarm Reset SMC 5100-02-IT Remote Alarm Reset (Unsupervised) (dry contact only unpowered) SMC 5100-02-IT Gas Sensor...

  • Page 22: Operation

    Each switch functions as if it is a manually activated panel key. The keys are located under the faceplate above and below the LED display and are labeled  M , E , ▲  and ▼ as shown below. SMC 5100-02-IT Gas Sensor...

  • Page 23: Main Menu

    HXXX %LEL High Alarm (Alarm) HIGH Measures gas, concentration exceeds 100% of Full Scale CXXX %LEL Calibration Mode Acknowledged Function NOTE: If display shows “Start” instead of “Starting”, the module must be calibrated before using it. SMC 5100-02-IT Gas Sensor...

  • Page 24: Setup

    ◦ User defined value • RS-485 – Use the [▲] or [▼] keys to select Address or Baud rate menu and press [E]. Note that the SMC 5100-02-IT has a rotary switch on the faceplate and it is used to select addresses 1-15. When connected to Sentry the user can select 1-8 and when using Modbus RS-485 the user can select addresses 1-15.

  • Page 25: Maintenance Sub-Menu

    NOTE: The Key is the same as the function. Mode=M, Enter=E, Up=▲, and Down=▼. Maintenance Sub-Menu The maintenance menu enables the operator to view sensor and software versions. MSA Safety technical support has access to other values as needed. The maintenance menu operation is described in the table below.
  • Page 26 Test WDT Tests function of internal watchdog. Clears all internal non-volatile memories and restores factory defaults. The gas ClearMem detector module will reboot and power up in uncalibrated state. Run Time Displays the time gas detector module has been on power. SMC 5100-02-IT Gas Sensor...

  • Page 27: Calibration

    300 cc/min Until Stable (minimum 3 minutes) NOTE: Following calibration, the Cat Bead module counts down for 300 seconds. During this time the module is updating its internal memory and it is very important that its power not be interrupted. SMC 5100-02-IT Gas Sensor...

  • Page 28: Calibration Sub-Menu

    Operation:  No calibration gas applied, or sensor did not respond correctly WAIT-300 Operation:  Five minute time out before sensor is returned to service Mode (Any) Operation:  Hold magnet over Mode Switch for ten seconds to abort calibration Sub C Banner:  Calibration Aborted --0%LEL- Default Display SMC 5100-02-IT Gas Sensor...

  • Page 29: Specifications

    Normally open digital input Power Power Consumption 4 watts Input Voltage 24 VDC nominal: 10-30 VDC Input Current 200mA @24 VDC Operating Range Ambient Temperature Range -40° to 176°F (-40° to 80°C) Relative Humidity 15-90% (Non-condensing) SMC 5100-02-IT Gas Sensor...
  • Page 30 Modbus Baud 38400 (Adjustable 2400 – 38400) Parity None Stop Bit Data Bits Flow Control None Memory Map See Section 12 Modbus Memory Map Warranty Limited Warranty 2 years Specifications subject to change without notice SMC 5100-02-IT Gas Sensor...

  • Page 31: Service

    3. Remove all wires from bond, marking them carefully so they can be correctly replaced. 4. Unplug the sensor connector from the transmitter. 5. Reverse the preceding steps to install the new transmitter. 6. Restore power and allow a minimum of 30 minutes for stabilization before re-calibration. SMC 5100-02-IT Gas Sensor...

  • Page 32: Sensor Replacement

    • AC power is correctly grounded. • Hot AC and relay connections have safety covers installed. 7.5.2 Cabling Installation • All splices are soldered or via terminal block. • Cabling is away from sources of electrical noise or RFI where possible. SMC 5100-02-IT Gas Sensor...

  • Page 33: Sensor Module Installation

    5. Power up the unit. 7.6.4 Module Shows “***Calibration Required***”  Calibrate the module. 7.6.5 Display Shows “H” or “L” This means the local high or low alarm is active. 7.6.6 Display Shows “M” – Not Calibrated Calibrate the module. SMC 5100-02-IT Gas Sensor...

  • Page 34: Display Shows "C" - Calibration Mode

    SNS FAIL Too much power / too little power ERR:200 TEST TBL Forced Value or Trouble F xx %LEL SNS Low Detector output is too low F xx %LEL BRG Low Bridge power is too low SMC 5100-02-IT Gas Sensor...

  • Page 35: Parts List

    AL Magnetic Wand 5394-51 Remote Sensor Kit, AL 5394-51-S1 Remote Sensor Kit, SS SPL21813 Transmitter SPL21813-R Transmitter with Relays SPL21813-H Transmitter with HART SPL21825 Interface Board without Relay SPL21829 Interface Board with Relay SPL21876 Interface board with HART SMC 5100-02-IT Gas Sensor...

  • Page 36: Combustible Gas Scaling Factors

    Diethylamine Methylamine JP-4 (Jet Fuel) Dimethylamine NOTE: Scaling factors are not FMRC approved. NOTE: Base data source: EEV sensor specification catalog. (EEV claims some data is the result of specific tests, other data is empirically derived). SMC 5100-02-IT Gas Sensor...

  • Page 37: Limited Warranty

    Limited Warranty MSA Safety warrants its products to be free from defects in workmanship or material under normal use and service for two years after date of shipment. MSA Safety will repair or replace without charge any equipment found to be defective during the warranty period.

  • Page 38: Remote Sensor Drawing

    Color by color. Terminal blocks float in each enclosure. The remote sensor assembly is meant to be supported by rigid conduit. Calibrate post installation. Typical wire connections at all terminations: Color Position Green Natural Green SMC 5100-02-IT Gas Sensor...

  • Page 39: Modbus Memory Map

    12 Modbus Memory Map Modbus Memory Map SMC 5100-02-IT Gas Sensor...

  • Page 40: Hart

    13 HART HART SMC 5100-02-IT Gas Sensor...
  • Page 41 13 HART SMC 5100-02-IT Gas Sensor...
  • Page 42 A response code of 0 indicates SUCCESS. This applies to all commands. As per HART specification, all command responses will have a response code and status byte, plus any command specific data bytes as indicated in the following tables. SMC 5100-02-IT Gas Sensor...
  • Page 43 Request Data Bytes: Byte Format Description 1=Enter 2=Down Unsigned-8 4=Up 8=Menu Command Specific Response Data Bytes: Byte Format Description Unsigned-8 Response Code Unsigned-8 Device Status Unsigned-8 Returns same value of the key / value that was passed SMC 5100-02-IT Gas Sensor...
  • Page 44 Request Data Bytes: Byte Format Description Unsigned-16 Index to select parameter as per table above Response Data Bytes: Byte Format Description Unsigned-8 Response Code Unsigned-8 Device Status Unsigned-16 Index of selected parameter Float Value of parameter SMC 5100-02-IT Gas Sensor...
  • Page 45 Set the action/mode of the Warning Relay. Request Data Bytes: Byte Format Description 0=Latching Unsigned-8 1=Sentry 2=Non-Latching (default) Response Data Bytes: Byte Format Description Unsigned-8 Response Code Unsigned-8 Device Status Unsigned-8 Returns new value of Warning Relay Action Variable SMC 5100-02-IT Gas Sensor...
  • Page 46 Command 138: Apply ZERO Gas This command will signal the module to accept the present sensor output to as the ZERO gas condition. Request Data Bytes: None Response Data Bytes: Byte Format Description Unsigned-8 Response Code Unsigned-8 Device Status SMC 5100-02-IT Gas Sensor...
  • Page 47 Description Unsigned-16 Index to select register with 40001 offset removed Response Data Bytes: Byte Format Description Unsigned-8 Response Code Unsigned-8 Device Status Unsigned-8 Index to select register with 40000 offset removed Float Value of Modbus register SMC 5100-02-IT Gas Sensor...
  • Page 48 Command 146: Set Trouble Mode Output Current Request Data Bytes: Byte Format Description Unsigned-16 Current output required to indicate Trouble, in micro-amperes Command Specific Response Data Bytes: Byte Format Description Unsigned-16 Returns new Trouble current value SMC 5100-02-IT Gas Sensor...
  • Page 49 Request Data Bytes: Byte Format Description Unsigned-8 Index to select appropriate timer as per table above Response Data Bytes: Byte Format Description Unsigned-8 Response Code Unsigned-8 Device Status Unsigned-8 Index of selected timer Unsigned-32 Value of selected timer SMC 5100-02-IT Gas Sensor...
  • Page 50 Unsigned-8 Index to select register, with 40000 offset removed Float Float Value to be written to Modbus register Response Data Bytes: Byte Format Description Unsigned-8 Response Code Unsigned-8 Device Status Unsigned-8 Index of select register with 40000 offset removed Float New value of register SMC 5100-02-IT Gas Sensor...

  • Page 51: Additional Information

    5. Use the Up arrow to increase, then press E. 6. Factory Setting is 80, Adjust to 85-90. 7. Touch M until you see "Exit?", then press E. 8. Power Cycle the Sensor. 9. After restart, Calibrate the Sensor per Manual. SMC 5100-02-IT Gas Sensor...
  • Page 52 14 Additional Information SMC 5100-02-IT Gas Sensor...

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