Riken Keiki SD-2600 Operating Manual
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Riken Keiki SD-2600 Operating Manual

Riken Keiki SD-2600 Operating Manual

Furnace gas monitor
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PT2E-1639
Furnace Gas Monitor
SD-2600
Operating Manual
(PT2E-163)
(PT2-163)
- 0 -

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Summary of Contents for Riken Keiki SD-2600

  • Page 1 PT2E-1639 Furnace Gas Monitor SD-2600 Operating Manual (PT2E-163) (PT2-163) - 0 -...
  • Page 2 Operating Precautions This gas monitor is a gas detector that detects combustible gases in the air and triggers a gas alarm. The gas detector is a safety unit, not an analyzer or densitometer which performs quantitative/qualitative analysis/measurement for gases. Please fully understand the following points before using it, so that it can be used properly. This gas monitor may be interfered by gases and vapors other than the gas to be detected.

  • Page 3: Table Of Contents

    Procedures to relocate the gas monitor or use it again ........... 42 8-3. Disposal of products ....................42 Troubleshooting ....................... 43 Product Specifications ..................... 45 10-1. List of specifications ....................45 10-2. List of accessories ....................48 10-3. Detection principle ....................49 Definition of Terms ....................50 SD-2600 - 1 -...

  • Page 4: Outline Of The Product

    Outline of the Product 1-1. Preface Thank you for choosing our furnace gas monitor SD-2600. Please check that the model number of the product you purchased is included in the specifications on this manual. This manual explains how to use the gas monitor and its specifications. It contains information required for using the gas monitor properly.

  • Page 5: Method Of Confirmation For Standards And Explosion Proof Specification

    Please refer Declaration of Conformity that is at the end of this manual if you have CE marking type. You can confirm instrument specification to see name plate as follows. TIIS certificate Ex marking CE marking ATEX/IECEx, CE marking type name plate TIIS type name plate SD-2600 - 3 -...

  • Page 6: Important Notices On Safety

     Do not open the lid when applying current.  Do not attempt to repair the detector.  For the lid, use hexagon socket head bolts specified by RIKEN KEIKI.  Do not apply a strong force or shock to the window plate. The explosion-proof performances may be deteriorated due to damages.

  • Page 7: Precautions

    Since this is a safety unit, a regular maintenance must be performed to ensure safety. Continuing to use the gas monitor without performing a maintenance will deteriorate the sensitivity of the sensor, thus resulting in inaccurate gas detection. SD-2600 - 5 -...

  • Page 8: Safety Information

    Necessary information for explosion proof construction of Model SD-2600. <ATEX/IECEx Specifications> The Model SD-2600 is a fixed mount, continuous-monitoring detector head and provides a 4-20mA signal which indicates the target gas reading for use by a gas monitoring controller, recording device, or programmable controller.

  • Page 9: Product Components

     Dedicated control key  Flange gasket  Exhaust air direction nameplate CAUTION Use the supplied dedicated control key to operate the gas monitor. If products other than these accessories are used, key operations cannot be accepted properly. SD-2600 - 7 -...

  • Page 10: Names And Functions For Each Part

    Alarm lamp. It lights up in red when the alarm setpoint value Alarm lamp is reached. Fault lamp. It lights up in yellow when an abnormality is Fault lamp detected in the gas monitor. Concentration value Displays the gas concentration and so on. display SD-2600 - 8 -...

  • Page 11: Block Diagram

    Gas alarm contact (ALARM) Contact activation Magnetic operation part • De-energized (MENU/ESC) (▲) (▼) (SET) (De-energized at a normal environment) • ON-ALARM (Closed contact at an alarm time) Sensor Transmitter • 4 – 20 mA transmission SD-2600 - 9 -...

  • Page 12: How To Use

    Gas sensor part: 0 to +200C <TIIS Specifications> Main unit case part: The detector head must be installed in a stable place where the operating temperature is -20 to +60C and do not change suddenly. Gas sensor part: 0 to +200C SD-2600 - 10 -...

  • Page 13: Precautions For System Designing

    Take appropriate measures in accordance with the importance of the facilities and the environment. Protection against lightning  Provide protection by a lightning arrester (cable arrester). (Although inductive lightning surge can be transmitted through the cable, it is SD-2600 - 11 -...
  • Page 14  It may be recommended that the surge absorbing part should be attached to the contact for certain load conditions. It must be attached to an appropriate position by checking how the load is activated. SD-2600 - 12 -...
  • Page 15 4 How to Use 4-3. Precautions for system designing SD-2600 SD-2600 - 13 -...

  • Page 16: How To Install

    Over 150 shown above. In case of installing conduit, use the flexible CAUTION conduit. For higher accuracy measurement, set the gas sensor part to the place where is over 150mm inside from internal wall of furnace. SD-2600 - 14 -...

  • Page 17: How To Wire

    From Φ9.6 to less than Φ11.0 Φ11 Φ12 From Φ11.0 to less than Φ11.5 Φ12 Φ12 From Φ11.5 to less than Φ12.0 Φ12 Φ14 From Φ12.0 to less than Φ13.0 Φ13 Φ14 Φ13.0 Φ13.5 Φ14 SD-2600 - 15 -...
  • Page 18  Rated current: 12 A However, it depends on cables to be used. Connection conditions  Cables: 0.08 - 2.5 mm  Bare wire length: 8 - 9 mm  Connecting tool: Dedicated handling lever (accessory) SD-2600 - 16 -...
  • Page 19 (round) wiring hole until it reaches the deepest point. To check whether the wire is connected securely, pull the wire gently. (Do not pull the wire strongly.) SD-2600 - 17 -...
  • Page 20 Tighten a cable gland with a tool until a clearance between the cable gland and a main unit case is below 1.5 mm.  If it is difficult to tighten the cable gland, grease its screw part and then tighten it with the tool. SD-2600 - 18 -...
  • Page 21 The grounding must be made as D type grounding (below 100 Ω of grounding resistance). <Wiring Example> Connecting to the indicator SD-2600 1 2 3 4 5 RM-593, etc. +24 V Connecting to the upper unit (DCS, PLC)

  • Page 22: How To Operate

     Because the external contact may be activated during the adjustment, take measures to prevent an activated contact from having influences on external device. 5-2. Basic operating procedures Normally, the detection mode is activated after the power is turned on. MENU/ESC MENU/ESC SD-2600 - 20 -...

  • Page 23: How To Start The Gas Monitor

     After the warm-up is completed, perform a gas calibration. NOTE <<Start-up Operation Procedures>> (approximately 25 seconds for system check of the gas monitor and alarm deactivation) Power on -> Initial clear (approximately 25 seconds) -> Detection mode SD-2600 - 21 -...

  • Page 24: Modes

    2-4.D Password Setting 2-4.E Sensor Fault Alarm Pattern Setting Display various electrical settings. Display This is not typically used by the user. Switch to factory mode Not used Switch to user mode Returns to the user mode. SD-2600 - 22 -...

  • Page 25: User Mode

    Zero Adjustment 1-1. Zero Adjustment => P24 Perform the zero adjustment. Setting Display 1-2. Various Setting Display => P25 Display various setting values. 1-3. Mode Switching See "Regular Switch to the maintenance mode. maintenance mode". To 1-0 SD-2600 - 23 -...
  • Page 26  If the zero calibration failed since the zero point was significantly fluctuated from around zero, it returns to 1-1 after FAIL rather than PASS is displayed. In this case, the zero adjustment has not been completed. SD-2600 - 24 -...

  • Page 27: How To Exit

     Before turning off the gas monitor, INHIBIT (point skip) on the upper (central) system must be activated. Decide whether the power can be turned off by checking the operation of the devices connected to the external output or external contact output terminal of the gas monitor. SD-2600 - 25 -...

  • Page 28: Operations And Functions

    The contact activation is reset automatically when the gas concentration drops below the alarm setpoint value. Alarm setpoint Time Alarm lamp (ALM) Alarm contact (terminal plate 4, 5) Alarm delay time (2 seconds) SD-2600 - 26 -...

  • Page 29: Fault Alarm Activation

    (initial clear). If the gas monitor has problems and is repeatedly malfunctioning, contact our overseas sales department or local representatives immediately. NOTE For information on malfunctions (error messages), see "9. Troubleshooting". SD-2600 - 27 -...

  • Page 30: External Output Operation

    In particular, when the gas monitor is started or the specification is changed, be careful about 4-20 mA output setting. Understand how the gas monitor functions, and take actions, if necessary, so that the signal receiver side can prepare to avoid false alarms. SD-2600 - 28 -...

  • Page 31: Other Functions

    A reading under zero is suppressed with the 10% FS suppression. A reading that gets 10% FS or more under zero is displayed as "-0.0", which prevents an accurate gas detection and needs the zero adjustment. SD-2600 - 29 -...

  • Page 32: Maintenance

    To maintain the safety operation of the gas monitor, please use our maintenance service.  The followings are typical maintenance services. For more information, please contact our overseas sales department or local representative. SD-2600 - 30 -...
  • Page 33 Replaces parts which are cracked or damaged. (visual diagnosis) Gas Monitor Uses the keys to check the operation of functions and parameters. Operation Check Replacement of Replaces consumable parts, such as a sensor, filter and pump. Consumable Parts SD-2600 - 31 -...

  • Page 34: Regular Maintenance Mode

    2-4.D Password Setting 2-4.E Sensor Fault Alarm Pattern Setting Display various electrical settings. Display This is not typically used by the user. Switch to factory Not used. mode Switch to user Returns to the user mode. mode SD-2600 - 32 -...
  • Page 35 2-6. Enters the factory mode. This is not used by the user. 2-7. rET. is displayed. Returns to the user mode. Press the SET key again to return to the user mode. To 2-0. Test Mode SD-2600 - 33 -...
  • Page 36  In the alarm test mode, the gas concentration equal to the reading is output even in the maintenance mode depending on the setting. Take actions, if necessary, so that the signal receiver side can prepare to avoid false alarms. SD-2600 - 34 -...
  • Page 37 To 2-0.1 WARNING Because the contact and gas concentration output can be activated by an alarm test even in the maintenance mode depending on setting, be careful to perform the test. SD-2600 - 35 -...
  • Page 38 FAULT) and to display the gas concentration of 8.8.8.8. Return to OFF and press the SET key to cancel the test. (Pressing the MENU/ESC key also enables to cancel the test and to go back to the original state.) SD-2600 - 36 -...
  • Page 39 When abnormalities are found in memory as a result of the diagnosis, PASS is not displayed. F-RA is displayed for the RAM fault, and F-RO is displayed for the ROM fault. For both the RAM fault and ROM fault, F-RA and F-RO are displayed alternately. SD-2600 - 37 -...
  • Page 40 Alarm Setpoint Setting Change the value by pressing the ▲ or ▼ key, and then press the SET key to confirm the value. (Press the MENU/ESC Return to 2-4.2. key to go back to the original state.) SD-2600 - 38 -...

  • Page 41: Gas Calibration Method

    Perform a gas calibration in each mode (zero adjustment mode and span adjustment mode) using the calibration gas.  Zero adjustment gas  Span adjustment gas (collected in a gas sampling bag)  Gas sampling bags sampling SD-2600 gas monitor for exhaust Gas calibration adapter Needle valve sampling Pump Flow meter <Zero Adjustment "2-1">...
  • Page 42 After turning off the power supply, please contact our overseas sales department or local representatives. After the span adjustment is completed, perform the zero adjustment at the operating temperature of the furnace. SD-2600 - 40 -...

  • Page 43: Parts Replacement

     The above replacement intervals are recommendation only. The intervals may change depending on the operating conditions. These intervals do not mean the warranty periods either. The result of the regular maintenance may determine when to replace the parts. SD-2600 - 41 -...

  • Page 44: Storage, Relocation And Disposal

    For information on readjustment including a gas calibration, please contact our overseas sales department or local representatives. 8-3. Disposal of products When the gas monitor is disposed of, it must be treated properly as an industrial waste in accordance with the local regulations. SD-2600 - 42 -...

  • Page 45: Troubleshooting

    Check the power supply, and supply the rated supplied to the gas voltage. System monitor. abnormalities  Abnormalities of ROM, Please contact our overseas sales department RAM, or EEPROM inside or local representatives. of the gas monitor SD-2600 - 43 -...
  • Page 46 Because the gas monitor cannot be used under sudden and frequent environmental changes, the user should take some preventive actions to eliminate them. Deteriorated sensor Slow response Replace the sensor with a new one. sensitivity SD-2600 - 44 -...

  • Page 47: Product Specifications

    (linear・load resistance less than 300Ω・resolution ability 200division) Transmission cable CVVS worth of shield cable(1.25mm )・3-core or 5-core (by using alarm contact) Transmission Less than 1km distance Power supply DC24V(DC20～26.4V) Power consumption MAX.3W Cabling port Flame proof packing method SD-2600 - 45 -...
  • Page 48 Sensor：0～+200℃(non-rapidly-vary) temperature Case：-20～+60℃(non-rapidly-vary) Structure Direct-insert type Explosion-proof Flame proof structure structure Explosion-proof Ⅱ2G Ex db ⅡC T2 Gb (ATEX/IECEx<DEKRA>) grade Outer dimension Approx.148(W)×167(H)×458(D)mm(protection excluding) Weight Approx.4.6kg Color Munsell 7.5BG5/2 * Specifications subject to changes without notice. SD-2600 - 46 -...
  • Page 49 Initial clear Approx.25sec Operating Sensor：0～+200℃(non-rapidly-vary) temperature Case：0～+50℃(non-rapidly-vary) Structure Direct-insert type Explosion-proof Flame proof structure structure Explosion-proof Ex dⅡC T2 (TIIS<Japan>) grade Outer dimension Approx.148(W)×167(H)×458(D)mm(protection excluding) Weight Approx.4.6kg Color Munsell 7.5BG5/2 * Specifications subject to changes without notice. SD-2600 - 47 -...

  • Page 50: List Of Accessories

     Dedicated control key ････････････････････ Depends on ordered quantity of the unit. 1 pce. 1～10 units 2 pcs. 11～20 units 3 pcs. 21～50 units 51 units and above 4 pcs.  Flange gasket ･･･････････････････････････ 1pce.  Exhaust air direction nameplate ･･････････ 1pce. SD-2600 - 48 -...

  • Page 51: Detection Principle

    Heat-resistant alloy wire coil C: Compensating Oxidation catalyst D: Detecting element element 1.4 - 1.6 mm Fixed Fixed resistance resistance 1.3 - 1.8 mm Variable resistor for bridge equilibrium adjustment Switch Power supply Variable resistor for bridge voltage adjustment SD-2600 - 49 -...

  • Page 52: Definition Of Terms

    Zero suppression A function to cut off the specific drifting that the sensor has. A function which temporarily suspends activation to prevent a false alarm caused Alarm delay time by noise from its outside. SD-2600 - 50 -...
  • Page 53 SD-2500 - 51 -...

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