MSA PrimaX I Operating Manual
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MSA PrimaX I Operating Manual

Primax series gas transmitter
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Operating Manual
PrimaX
Gas Transmitter
Order No. 10115083/03

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Summary of Contents for MSA PrimaX I

  • Page 1 Operating Manual PrimaX Gas Transmitter Order No. 10115083/03...
  • Page 2 MSA AUER GmbH Thiemannstrasse 1 D-12059 Berlin Germany © MSA AUER GmbH. All rights reserved...

  • Page 3: Declaration Of Conformity

    Thiemannstraße 1 D-12059 Berlin declares that the product PrimaX I, PrimaX P based on the EC-Type Examination Certificate: BVS 10 ATEX E009 X complies with the ATEX directive 94/9/EC, Annex III. Quality Assurance Notification complying with Annex IV of the ATEX Directive 94/9/EC has been issued by DEKRA EXAM in Bochum, Notified Body number: 0158.
  • Page 4 Safety Regulations ....................6 Correct Use ....................6 Liability Information ..................6 Safety and Precautionary Measures to be Adopted ........7 MSA Permanent Instrument Warranty ............9 Description ......................10 Identifying the Unit ..................10 Overview ..................... 10 Installation ......................12 Mechanical Installation ................
  • Page 5 Contents Sensor Response to Interferants ..............42 PrimaX P List of Combustible Gases and Vapours detectable with Catalytic Sensor Part No. 10112716 ......... 44 Approvals ......................48 Marking, Certificates and Approvals According to the Directive 94/9/EC (ATEX) ..........48 Marking and Certificates according to IECEx ..........52 Special conditions for the safe use according to ATEX and SIL applications ............

  • Page 6: Safety Regulations

    The sig- nal of the transmitter can be used in combination with MSA control units for further actions in safety or non safety applications, e. g. MSA SUPREMA, Gasgard XL, 9010/9020.

  • Page 7: Safety And Precautionary Measures To Be Adopted

    Such paint deposits would interfere with the gas diffusion process. Use only genuine MSA replacement parts when performing any maintenance procedures provided in this manual. Failure to do so may seriously impair instru- ment performance.
  • Page 8 Safety Regulations maintenance instructions or by anyone other than an authorised MSA service personnel, could cause the product to fail to perform as designed. The device is designed for applications in hazardous areas under atmospheric conditions. For correct measurements, the combustible gas sensors require an oxygen concentration greater than 10 Vol%.

  • Page 9: Msa Permanent Instrument Warranty

    1.05 has to be applied when using the CalGard for re- mote calibration (see chapter 8.3) MSA Permanent Instrument Warranty Warranty Seller warrants that this product will be free from mechanical defect or faulty work-...

  • Page 10: Description

    PrimaX I The PrimaX I is a gas transmitter with a plastic enclosure. It is available as a general purpose version [not intended for hazardous area] or intrinsically safe version. Both versions are designed for a detection of toxic gases or oxygen.
  • Page 11 Description The enclosures vary depending on the particular version. The electrical parts and interfaces have the same basic functionality. The device has: a quick and easy pluggable sensor, a four digit liquid crystal display [LCD], a key pad with a cover a detachable backplate for installation on a wall or on a pipe The device operate with a 4 –...

  • Page 12: Installation

    Installation Sensors Description PrimaX P PrimaX I Detection of toxic gases Detection of oxygen Detection of combustible gases The device operates with a 4 – 20 mA output signal. As an optional feature additional modules are available for these configurations of...

  • Page 13: Mechanical Installation

    Installation Mechanical Installation Preparation To install the device, first remove the backplate. Undo Screws (1) Unscrew the device. Remove Device (2) Remove the device from the backplate by lifting up the lower edge as shown. PrimaX...
  • Page 14 Installation Wall or Pipe Mounting For pipe mounting a pipe mounting kit is necessary [ chapter 8.6]. Install the Backplate (1) Use the two keyhole slots for attaching the mounting plate to the wall. Use 6mm diameter screws and suitable plugs. (2) For a wall installation use the backplate as a template for drilling the holes for the two fixing screws, for a pipe installation...

  • Page 15: Electrical Installation

    10 V, the device will shut down. The 24 V power supply shall fulfill the requirements for a PELV/SELV of EN 60950. Operating the PrimaX I version in hazardous areas requires an intrinsically safe power supply. Electrical Connection - PrimaX P...
  • Page 16 Installation PrimaX P Power supply [+] 24 V DC 0 V DC [-] 4 – 20 mA [Signal] isolated ground Fig. 5 3-wire/4-wire connection - PrimaX P (1) Unscrew the interlock between cover and bayonet joint of sensor. (2) Unscrew the aluminium lid of the enclosure. (3) Unplug the 4-way terminal block.
  • Page 17 Installation Electrical Connection - PrimaX I Terminal PrimaX I Fig. 6 Terminal PrimaX I Power supply [+], 24 V DC 4 – 20 mA [Signal] PrimaX I Power supply [+] 4 – 20 mA [Signal] Fig. 7 2-wire connection - PrimaX I (1) Remove plastic cover.

  • Page 18: Operation

    Operation Operation The device is factory-calibrated and delivered ready for installation. Each device is configured and calibrated for only one specific gas or va- pour. Fig. 8 Display overview Measuring value/Menu//Text dimensions Calibration Units Alive signal [flashing] LOC, alarm indication [optional] Maintenance Signal for an active communication PrimaX...

  • Page 19: Startup

    Operation Startup During startup a self-test is performed and the output signal is set to the service cur- rent [default 3.0 mA]. The following information is displayed: Display Test The display shows all segments. Note: The PrimaX P also shows all LEDs and afterwards the yellow LED is flash- ing during the startup procedure.

  • Page 20: Menu Sequence

    Operation Menu Sequence Fig. 9 Keypad - operating buttons ESC button ENTER button UP button DOWN button To navigate in the menu sequence, 4 buttons are available. In general: (1) Press ENTER button to get access to the menu sequence. (2) Press UP or DOWN button till ...

  • Page 21: Calibration

    Operation Menu item Text Password? Calibration M-01 ZERO Calibration M-02 Show Test Gas Concentration M-03 Setup Calibration M-04 Sensor Exchange M-05 LCD and LED Test M-06 Loop Test M-07 Device Info M-08 Sensor Info M-09 Changing the Range M-10 Reset Alarm M-00 Calibration Warning!
  • Page 22 Operation It is recommended that all calibration components are connected before starting a calibration as it is necessary to apply test gas to the device during a countdown. When monitoring flammable gas in safety related applications the PrimaX must be calibrated with a known concentration of the gas being monitored.
  • Page 23 Operation Waiting for calibration gas After starting any calibration step, calibration gas [zero or test gas] must be applied until calibration step is finished. Calibration Steps The calibration procedure can be cancelled at any time by pressing ESC. The previous transmitter calibration will be used. [M-01] - ZERO and SPAN Gas Calibration (1) Press ENTER and select menu 1.

  • Page 24: Maintenance And Info

    Operation [M-02] - ZERO Gas Calibration (1) Press ENTER and select menu 2. (2) Press ENTER button. (3) Enter password [ chapter 4.5]. (4) Apply zero gas [synthetic air]. (5) Wait until calibration is finished [automatic] or press ENTER [manual]. ...
  • Page 25 Operation (10) Set the idle time countdown in seconds with the UP or DOWN button. (11) Press ENTER button. [M-05] - Sensor Exchange This menu initiates the initial calibration and resets the sensor lifetime counter. OX/TOX sensors can be exchanged under power [hot swapped] with this function. Attention! Hot swaps must not be carried out for COMB sensors.
  • Page 26 Operation [M-06] - LCD/LED Test LCD and LED test [LED only available in PrimaX P]. All segments will be displayed and the LEDs will flash sequentially. (1) Press ENTER and select menu 6. (2) Press ENTER button. [M-07] - Loop Test In this menu a 4 - 20 mA loop test will be performed.
  • Page 27 Operation [M-10] - Range Selection Attention! Test gas concentration has to be checked and device has to be calibrat- ed if the range is changed. This menu allows to set up the optional measuring ranges for connected OX/TOX sensors. (1) Press ENTER and select menu 10. (2) Press ENTER button.

  • Page 28: Password

    Operation Password Menus which should only be changed by qualified and authorised persons are locked by a four digit password. The default password is 0000. After entering the password menu, the values of the digits will be set from left to right: (1) Press UP or DOWN button to change the value.

  • Page 29: Optional Hart Module And Relay

    Operation Optional HART Module and Relay HART Introduction "HART" is an acronym for Highway Addressable Remote Transducer. The HART Protocol makes use of the Bell 202 Frequency Shift Keying [FSK] standard to superimpose digital communication signals at a low level on top of the 4 - 20 mA. The HART Protocol provides two simultaneous communication channels: the 4 - 20 mA analog signal and a digital signal.
  • Page 30 Operation Relays Relay nominal switching capacity [resistive load]: Alarm Relay 2A / 30V DC Failure Relay 2A / 30V DC Fig. 11 Location of Relay Relay Terminals ALARM FAILURE Fig. 12 Relay Terminals Alarm Relay Failure Relay Normally closed energised[NC] Normally closed energised[NC] Common [COM] Common [COM]...
  • Page 31 Operation Relay Operation Startup If relays are used the alarm threshold will be displayed at startup Menu Sequence Menu item Text Password? Relay Info M-11 Relay Setup M-12 Relay Test M-13 Relay Operation [M-11] - Relay Info (1) Press ENTER and select menu 11. (2) Press ENTER button.
  • Page 32 Operation [M-12] - Relay Setup (1) Press ENTER and select menu 12. (2) Press ENTER button. (3) Enter password [ chapter 4.5]. (4) Set the alarm threshold with the UP or DOWN button. (5) Press ENTER button. (6) Set rising or falling alarm option with the UP or DOWN button. (7) Press ENTER button.
  • Page 33 Operation Changeable Parameters for Relays Values default minimum maximum Alarm threshold 30% of Range 5 % of Range 100% of Range = 20 vol%] Alarm relay normally en- ergised Latch alarm Alarming direction decrease; Increasing Decreasing other increase Alarm delay time 600 s Failure relay normally en- ergised...
  • Page 34 Operation In case of very high flammable concentrations >100%LEL the device is able to lock all outputs [LOC]. This function shall be used for standalone applications according to ATEX requirements. Output States State Failure Relay Alarm Relay Normal Startup Startup state [default: switched] Calibration Latched voltage overrange...

  • Page 35: Maintenance

    Maintenance Maintenance Changing the Sensors Danger! Remove and reinstall sensors carefully, ensuring that the components are not damaged; otherwise the approval may be adversely affected, wrong readings could occur, and persons relying on this product for their safety could sustain serious personal injury or death. Before changing the sensor, the Sensor Exchange mode must be acti- vated.
  • Page 36 Maintenance Remove Interlock (1) Unscrew the socket head screw. (2) Remove the interlock. Remove Bayonet Joint (3) Turn the bayonet ring counter-clock- wise. (4) Remove the bayonet ring by pulling it down. Replace Sensor (5) Unplug the sensor carefully. (6) Plug in the new sensor carefully. (7) Replace the bayonet ring.

  • Page 37: Technical Data

    Technical Data Technical Data Specifications PrimaX P PrimaX I aluminium enclosure plastic enclosure Enclosure flameproof intrinsically safe IP 67 ingress protection IP 66 ingress protection Dimensions in mm 220 X 162 X 100 220 X 162 X 81 [Height X Width X Depth] Weight 1.6 kg...

  • Page 38: Cable Lengths And Cross-Sections

    Technical Data Refresh Rate of Output Signals 4 - 20 mA output signal [analog] 100 ms Alarm [LED and relay] 100 ms Failure [LED and relay] 100 ms Display [measuring value] Display [alarm] 2100 ms Cable Lengths and Cross-sections The maximum load resistance for all combinations is 300 Ohm. Cross- Sensor type Max.

  • Page 39: Performance Specifications

    Technical Data Performance Specifications Warm up time Combustible 95 s OX/TOX 36 s Storage temperature -40 °C to +70 °C or temperature range of the sensor List of Detectable Gases Selectable Temperature Default range range[s] Range Ammonia [NH 100 ppm 50 ppm -20 –...
  • Page 40 Technical Data Selectable Temperature Default range range[s] Range Propane [C 100 % LEL -40 – 70 °C Sulphur Dioxide [SO 50 ppm 10 ppm -20 – 50 °C 20 ppm 100 ppm Lower limit of the Gases Zero drift Full scale drift Zero deviation measuring range ...
  • Page 41 Technical Data Response time Recovery time Combustible  20s  48s  20s  48s 1-Ethoxy-2-Pro- panol  10s  18s  10s  18s Hydrogen  10s  18s  10s  18s Methane  12  20s  12 ...

  • Page 42: Sensor Response To Interferants

    Technical Data Sensor Response to Interferants Interference factors may differ from sensor to sensor and with life time. It is not advisable to calibrate with interference gases. This table does not claim to be complete. The sensor might also be sen- sitive to other gases.
  • Page 43 Technical Data Gas Sensor Interferant Hydrogen Sulphide [H 100 ppm Cl 100 ppm NO 100 ppm NO -9 ppm -21 ppm 1 ppm 100 ppm HCN 100 ppm SO 1 ppm 1 ppm Nitric oxide [NO] 50 ppm NO 20 ppm SO 10 ppm Cl <0.5 ppm <-2.5 ppm...

  • Page 44: Primax P List Of Combustible Gases And Vapours Detectable With Catalytic Sensor Part No. 10112716

    Technical Data PrimaX P List of Combustible Gases and Vapours detectable with Catalytic Sensor Part No. 10112716 Relative response factors of tested gases with reference to Propane For the gases or vapours shown in the tables of this chapter the response curves have been tested according to EN 60079-29-1:2007.
  • Page 45 Technical Data Response Response Gas/ Response CAS-No. LEL [vol%] time [s] time [s] Fluid factor [t50] [t90] Acetaldehyde 75-07-0 fluid 0.64 Acetic acid 64-19-7 fluid 1.51 Acetic anhydride 108-24-7 fluid 1.56 [[CH  9  24 Acetone [C 67-64-1 fluid 0.94 Acetylene [C 74-86-2 0.76...
  • Page 46 Technical Data Response Response Gas/ Response CAS-No. LEL [vol%] time [s] time [s] Fluid factor [t50] [t90] Cyclopentane 287-92-3 fluid 1.05 Diethylether 60-29-7 fluid 1.16 1.4-Dioxane 123-91-1 fluid 2.22 Ethane [C 74-84-0 0.87  11  31 Ethanol [C 64-17-5 fluid 0.89 Ethene [C 74-85-1...
  • Page 47 Response times are with a flow through adapter and a gas flow of 1 l/min Response factor defined by DEKRA EXAM Response factor defined by MSA (not included in the EC-Type Examination Certifi- cate BVS 10 ATEX E 009 X)

  • Page 48: Approvals

    Approvals Approvals Marking, Certificates and Approvals According to the Directive 94/9/EC (ATEX) PrimaX P Manufacturer: MSA AUER GmbH Thiemannstraße 1 D-12059 Berlin Product: PrimaX P Type of protection: EN 60079-0:2009, EN 60079-1:2007, EN 60079-11:2007, EC 60079-31:2010, EN 61241-11:2007 Performance: EN 60079-29-1:2007, EN 50104:2010, EN 50271:2010...
  • Page 49 Approvals Prima X Ox/Tox sensor Ex d ia IIC T4 Gb Ex tb ia IIIC T130°C Db IP 67 -40°C  Ta  +70°C Option: HART Module Connector, only for temporary connection of an intrinsic safe HART Field Communicator  200 mW, U ...
  • Page 50 Approvals PrimaX I Manufacturer: MSA AUER GmbH Thiemannstraße 1 D-12059 Berlin Product: PrimaX I Type of protection: EN 60079-0:2009, EN 60079-11:2007, EN 60079-26:2007 EN 61241-11:2006 Performance EN 50104:2010, EN 50271:2010 Gas: Oxygen: 0-10% [V/V], 0-25% [V/V] Other gases: PFG 11 G 001: EN 45544 -1:1999; EN 45544 -2:1999 Tox: H S: 0-20 ppm;...
  • Page 51 Approvals Special Conditions for Safe Use It is not allowed to open the key pad cover for use in areas where Category 1G, Group IIC is required. The device shall only be used in areas known to have a low risk of mechanical impact if installed in areas where Category 2D is required.

  • Page 52: Marking And Certificates According To Iecex

    Approvals Marking and Certificates according to IECEx PrimaX P Manufacturer: MSA AUER GmbH Thiemannstraße 1 D-12059 Berlin Product: PrimaX P Type of protection: IEC 60079-0:2007, IEC 60079-1:2007, IEC 60079-11:2006, IEC 60079-31:2009 Measuring function for explosion protection: no Gas: see manual...
  • Page 53 Approvals Special conditions for safe use: Do not open the instrument when energised. For dust applications the installation conditions according to EN 61241-14 have to be considered. Intensive electrostatic charging processes on the instrument label have to be prevented. Maintenance or repairment according to the type of protection “d” is only al- lowed by the manufacturer.
  • Page 54 Approvals PrimaX I Manufacturer: MSA AUER GmbH Thiemannstraße 1 D-12059 Berlin Product: PrimaX I Type of protection: IEC 60079-0:2007, IEC 60079-11:2006, IEC 60079-26:2006, IEC 61241-11:2005 Measuring function for explosion protection: no Gas: see manual Marking: Prima X I Ex ia IIC T4 Ga Ex ia IIIC T130°C Db...

  • Page 55: Special Conditions For The Safe Use According To Atex And Sil Applications

    Approvals Special conditions for the safe use according to ATEX and SIL appli- cations Safety relevant parameters for the Gas Transmitters Type Structure 1oo1 or 1oo2 0 or 1 PFD, PFH, SFF see table  ,  ,  ,  see table MTTR 72 h...
  • Page 56 Approvals The relay contacts must be protected with a fuse rated 0.6 of the nominal spec- ified relay contact current. The failure relay contacts must be safety related processed for warning purpos- es when the 4 to 20 mA link is not use for the alarm condition. The tests of the 4-20 mA - output signal and alarm conditions and the test of the alarm and fault relays, LEDs and display have to be done during every calibra- tion phase.
  • Page 57 Approvals Special conditions for SIL 2 The use of the sensors in a High Demand or Continuous Mode is allowed only in a 1002 - structure. The outputs of the sensors [4-20 mA - loops and relay contacts] must to be mon- itored regarding deviations.

  • Page 58: Safety Relevant Parameters

    Safety Relevant Parameters Safety Relevant Parameters [40°C]t Application with Relay      total % of % of SIL 3 1/h % of SIL 1 1/h % of SIL 3 SIL 2 Ammonia [NH 3737 2469 1269 88.9 67.3 7.9E-04 5.6 1.2E-05...
  • Page 59 Safety Relevant Parameters Application with 4-20 mA Current Output      total % of SIL 2 % of SIL 3 1/h % of SIL 1 1/h % of SIL 3 Ammonia 1734 79.1 58.1 4.9E-04 1.0E-05 3.6E-07 7.6E-09 Carbon Mon- 1183...

  • Page 60: Accessories

    Accessories Accessories For part numbers  chapter 8.7. Calibration Cap Using calibration cap allows span gas calibration procedure to be accurate in windy environmental conditions. The calibration cap is pushed on to the front of the sensor and is sealed by an O- ring.

  • Page 61: Remote Calibration

    Accessories Using the sensor gard will extend the response time, depending on the gas flow rate. Gas flow rate: 1,0 l/min Remote Calibration Fig. 15 PrimaX with CalGard The CalGard stainless steel remote calibration adaptor provides reliable operation of remotely installed gas detectors working under harsh environmental conditions. Additionally, the CalGard allows remote verification ("bump test") or instrument cal- ibration of gases listed later in this section and oxygen via a hose connection in the presence of wind speeds up to 6 m/s.
  • Page 62 Accessories The tube connector is adapted for tubes with an inner diameter of 5 mm. In general the hose should be as short as possible in order to: Minimise the gas volume needed to flush the tube Reduce external influences (e.g. temperature shift, pressure, etc.) Minimise the lead time Hose material should be adapted to the applied test gas, have no absorptive or ad- sorptive properties and should be made from inert material such as teflon or poly-...

  • Page 63: Flow Through Adapter

    Applicable test gases , CH , CO and H S in air, O in N (approval of other gases by MSA on request) Recommended flow rate 1.0 l / min Minimum flow rate 0,8 l / min Maximum flow rate 1.5 l / min...

  • Page 64: Duct Mounting Kit

    Accessories Using the flow through adapter will extend the response time, depend- ing on the gas flow rate. Duct Mounting Kit Fig. 17 Duct mounting kit Gas monitoring in air ducts can be performed by means of this duct mounting kit. When installing, the direction of flow inside the duct must be towards the baffles.

  • Page 65: Pipe Mounting Kit

    Accessories Pipe Mounting Kit The PrimaX can be mounted vertically by fastening its back plane using two screws and washers. Additionally, a pipe mount kit allowing the PrimaX to be fixed to pipes or poles is available as an accessory. The kit consists of: one universal mounting plate one retaining plate for pipes with a diameter of 20 –...

  • Page 66: Sensor Tag

    Accessories Sensor Tag Fig. 21 Sensor tag Fig. 22 Measurements sensor tag The stainless steel label allows to identify and tag the location or installation of the instrument on the site. PrimaX...

  • Page 67: Sunshield

    Accessories Sunshield Fig. 23 Sunshield Stainless steel plate to protect the transmitter from direct sunlight. Universal HART Cable Fig. 24 Universal HART cable Universal cable that will connect the PrimaX detector to any standard HART hand- held [f.e. Emerson 375] using the HART connector. PrimaX...

  • Page 68: Spare Parts

    St.St. 316 10113035 Calibration Cap Plastic 10112789 CalGard St.St. 316 10150921 Universal HART cable [1.5 m] 10113036 PrimaX I Replacement Parts Description Part No Bayonet lock plate & screw 10113042 Sensor bayonet & cap 10113048 Mounting plate 10113041 10113045 Lid screws [set of 4]...
  • Page 69 Spare Parts Range [optional] Part No. Catalytic Sensor Combustible Gases 100% LEL 10112716 [Only PrimaX P version] Ammonia [NH 100 ppm [50 ppm] 10080225 Ammonia [NH 1000 ppm [500 ppm] 10112719 Carbon Monoxide [CO] 200 ppm [100 ppm, 711306 500 ppm, 1000 ppm] Chlorine [CL 10 ppm [5 ppm] 10112720...

  • Page 70: Appendix

    3.8 - 4 mA [< -2 %] TOX [< -5%] combustible HI  Green Overrange 20 – 20.5 mA E-XX Yellow Error Error current 2 mA E-XX Yellow Safety critical error Open loop 0 mA PrimaX P <2 mA PrimaX I PrimaX...

  • Page 71: Calibration Faults

    Appendix Relay versions only LED col- Display Alternating State Signal current Alarm 4 - 20 mA Latched alarm 4 - 20 mA [flashing] Catalytic sensor only (Part No.10112716) 20.5 mA Latched LOC 20.5 mA [flashing] LOC: The PrimaX Gas Monitor has been exposed to a high gas concentration [above the LEL], and the over-range condition still exists.

  • Page 72: Error Codes

    The removal of the hydrogen cyanide and chlorine sensors will not trigger the E-28 sensor error message. For additional support please contact MSA Service. Sensor errors [E-20 – E-29] could be cleared by checking if the sensor is well con- nected, or by changing the sensor, or also by resetting the device.

  • Page 73: Mechanical Installation

    Appendix 10.5 Mechanical Installation Dimensions Fig. 25 Outline dimensions Prima X P Fig. 26 Outline dimensions Prima X I Cable gland M25 x 1,5;Torque 8 -12 Nm; only ATEX certified versions for gas and dust shall be used. NPT ¾"- 14; fixture with 2 layer PTFE sealing tape or according to the instruc- tions of the NPT supplier;...
  • Page 74 Appendix Fig. 27 Installation mounting plate Fig. 28 Dimensions sunshield PrimaX...
  • Page 75 Appendix Fig. 29 Duct mounting Fig. 30 Dimensions CalGard PrimaX...

  • Page 76: Wiring Diagrams

    Appendix 10.6 Wiring Diagrams The HART communications require a minimum of 250 ohms resistance in the 4 – 20 mA loop. PrimaX I, Ex ia, Intrinsically Safe Controller + 24V Suprema GasGard XL 4 - 20mA 9010/20 max = 70...
  • Page 77 Appendix 24V DC + 14 - 15 +24V Controller 4 – 20mA Suprema GasGard XL PEPPERL+FUCHS 9010/20 KFD2 - STC4 - Ex1 max = 200 Cable 24V DC + 14 - 13 +24V Controller 4 – 20mA + 12 Suprema - 11 GasGard XL 9010/20...
  • Page 78 Appendix PrimaX P, Ex d, Flameproof Ex d max = 35 + 24V 1 , 24V DC Cable 2 , 0 V DC Suprema 3 , 4 – 20 mA 4 - 20 mA GasGard XL 4 - 20mA 9010/20 max = 300 Load Ex d...
  • Page 79 Appendix RELAYS OPTION Ex d ALARM FAILURE + 24V 1 , 24V DC max = 25 Cable 2 , 0 V DC Suprema 3 , 4 – 20 mA 4 - 20 mA GasGard XL 4 - 20mA 9010/20 max = 300 Load Ex d max = 20...
  • Page 80 Appendix Ex d [ ia ] + 24V 1 , 24V DC max = 20 Cable 2 , 0 V DC 3 , 4 – 20 mA 4 - 20 mA 4 , GND 4 - 20mA max = 20 / 200 Cable HART Port [ ia ]...

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