{"product_id":"pepperl-fuchs-kcd2-stc-ex1-smart-transmitter-power-supply","title":"Pepperl+Fuchs KCD2-STC-Ex1 SMART Transmitter Power Supply","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ePepperl+Fuchs KCD2-STC-Ex1\u003c\/strong\u003e is a 1-channel intrinsically safe isolated barrier designed to power 2-wire SMART transmitters or interface with 2-wire SMART current sources in hazardous locations. Operating on a 24 V DC power supply via terminals or the Power Rail system, it transfers the analog 4 mA to 20 mA field signal across galvanic isolation to the safe area. The device maintains bi-directional digital signal transmission for protocols such as HART and BRAIN, permitting continuous remote parameterization and diagnostic communication with field instrumentation.\u003c\/p\u003e\n\u003cp\u003eFeaturing a compact 12.5 mm housing, the \u003cstrong\u003eKCD2-STC-Ex1\u003c\/strong\u003e incorporates selectable output modes—current source, current sink, or voltage output—configurable through onboard DIP switches. An internal 250 Ω resistor is accessible via specific terminal connections to establish necessary HART communication loop impedance when control side resistance is insufficient. Additionally, integrated test sockets within the terminals enable direct connection of HART communicators without disrupting loop wiring.\u003c\/p\u003e\n\u003cp\u003eThe module is certified up to SIL 2 (SC 3) per IEC\/EN 61508 for functional safety applications. It provides galvanic isolation between input, output, and power circuits to ensure signal integrity and safe operations across Zone 0, Zone 1, Zone 2, and Division 1\/2 environments.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1-channel isolated barrier for 2-wire SMART transmitters and current sources.\u003c\/li\u003e\n\u003cli\u003eCompact 12.5 mm housing width for high-density DIN rail mounting.\u003c\/li\u003e\n\u003cli\u003eSelectable output modes via DIP switches: current source (4 mA ... 20 mA), current sink (4 mA ... 20 mA), or voltage output (1 V ... 5 V).\u003c\/li\u003e\n\u003cli\u003eSupports bi-directional digital communication for HART and BRAIN protocols.\u003c\/li\u003e\n\u003cli\u003eIntegrated 250 Ω HART resistor available between terminals 6 and 8.\u003c\/li\u003e\n\u003cli\u003eFront-panel test sockets built into terminals for HART communicator interface.\u003c\/li\u003e\n\u003cli\u003ePower Rail compatible or terminal supply via 24 V DC.\u003c\/li\u003e\n\u003cli\u003eFunctional safety rated up to SIL 2 \/ SC 3 in accordance with IEC\/EN 61508.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGalvanic isolation and signal conditioning between hazardous area transmitters and safe area control systems (DCS\/PLC).\u003c\/li\u003e\n\u003cli\u003ePowering 2-wire SMART process transmitters measuring pressure, level, temperature, or flow.\u003c\/li\u003e\n\u003cli\u003eInterfacing current sources in hazardous locations with standard control system analog inputs.\u003c\/li\u003e\n\u003cli\u003eSIL 2 safety-instrumented functions (SIF) requiring isolated analog input processing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003eGeneral\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003ePepperl+Fuchs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKCD2-STC-Ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003eAnalog input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e1-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Safety\u003c\/td\u003e\n\u003ctd\u003eSIL 2 \/ Systematic Capability SC 3 acc. to IEC\/EN 61508\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eSupply\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003ePower Rail or terminals 9+, 10-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage Ur\u003c\/td\u003e\n\u003ctd\u003e19 ... 30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 10 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current Ir\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 45 mA at 24 V and 20 mA source mode output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 800 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 1.1 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eInput (Hazardous Area)\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Side\u003c\/td\u003e\n\u003ctd\u003eField side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Terminals\u003c\/td\u003e\n\u003ctd\u003e1+, 2- ; 3+, 4-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4 ... 20 mA limited to approx. 26 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpen Circuit Voltage \/ Short-Circuit Current\u003c\/td\u003e\n\u003ctd\u003eTerminals 1+, 2-: 22 V \/ 26 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Drop\u003c\/td\u003e\n\u003ctd\u003eTerminals 3+, 4-: approx. 5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Voltage\u003c\/td\u003e\n\u003ctd\u003eTerminals 1+, 2-: \u0026gt;= 15 V at 20 mA ; \u0026gt;= 18 V at 4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eOutput (Safe Area)\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Side\u003c\/td\u003e\n\u003ctd\u003eControl side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Terminals\u003c\/td\u003e\n\u003ctd\u003eTerminals 5-, 6+; terminals 5-, 8+ for HART resistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSource Mode Load\u003c\/td\u003e\n\u003ctd\u003e0 ... 350 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Source Mode\u003c\/td\u003e\n\u003ctd\u003e4 ... 20 mA or 1 ... 5 V (internal resistor: 250 Ω, 0.1 %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Sink Mode\u003c\/td\u003e\n\u003ctd\u003e4 ... 20 mA, operating voltage 10 ... 30 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple\u003c\/td\u003e\n\u003ctd\u003e20 mV rms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eTransfer Characteristics\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviation at 20 degC\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1 % of full scale incl. non-linearity and hysteresis (source\/sink 4 ... 20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeviation at 20 degC (Voltage)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= +- 0.2 % incl. non-linearity and hysteresis (source mode 1 ... 5 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature Influence (Current)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 2 uA\/K (-20 ... 70 degC); \u0026lt; 4 uA\/K (-40 ... -20 degC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature Influence (Voltage)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.5 mV\/K (-20 ... 70 degC); \u0026lt; 1 mV\/K (-40 ... -20 degC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003eField side into control side: 0 ... 3 kHz (-3 dB, 0.5 Vpp signal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range (Reverse)\u003c\/td\u003e\n\u003ctd\u003eControl side into field side: 0 ... 3 kHz (-3 dB, 0.5 Vpp signal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSettling Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRise Time \/ Fall Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eGalvanic Isolation\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput \/ Output\u003c\/td\u003e\n\u003ctd\u003eBasic insulation acc. to IEC\/EN 61010-1, rated insulation voltage 300 Veff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput \/ Power Supply\u003c\/td\u003e\n\u003ctd\u003eReinforced insulation acc. to IEC\/EN 61010-1, rated insulation voltage 300 Veff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput \/ Power Supply\u003c\/td\u003e\n\u003ctd\u003eBasic insulation acc. to IEC\/EN 61010-1, rated insulation voltage 300 Veff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEx Safety Isolation (Input\/Output)\u003c\/td\u003e\n\u003ctd\u003eSafe electrical isolation acc. to IEC\/EN 60079-11, voltage peak value 375 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEx Safety Isolation (Input\/Power)\u003c\/td\u003e\n\u003ctd\u003eSafe electrical isolation acc. to IEC\/EN 60079-11, voltage peak value 375 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eMechanical \u0026amp; Environmental\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass\u003c\/td\u003e\n\u003ctd\u003eApprox. 100 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e12.5 x 119 x 114 mm (0.5 x 4.7 x 4.5 inch), housing type A2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN mounting rail acc. to EN 60715:2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 ... 70 degC (-40 ... 158 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1+\u003c\/td\u003e\n\u003ctd\u003eField Input: 2-wire Transmitter (+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2-\u003c\/td\u003e\n\u003ctd\u003eField Input: 2-wire Transmitter (-)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3+\u003c\/td\u003e\n\u003ctd\u003eField Input: Current Source (+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-\u003c\/td\u003e\n\u003ctd\u003eField Input: Current Source (-)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5-\u003c\/td\u003e\n\u003ctd\u003eControl Output (-)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6+\u003c\/td\u003e\n\u003ctd\u003eControl Output (+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8+\u003c\/td\u003e\n\u003ctd\u003eControl Output (+) with internal 250 Ω HART resistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9+\u003c\/td\u003e\n\u003ctd\u003eSafe Area Power Supply 24 V DC (+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10-\u003c\/td\u003e\n\u003ctd\u003eSafe Area Power Supply 24 V DC (-)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the power supply is de-energized before mounting or terminating field wires.\u003c\/li\u003e\n\u003cli\u003eMount the module vertically on a standard 35 mm DIN rail in a clean, dry, pollution degree 2 environment.\u003c\/li\u003e\n\u003cli\u003eFor Zone 2 \/ Division 2 installations, place the device inside an enclosure providing at least IP54 protection.\u003c\/li\u003e\n\u003cli\u003eMaintain strict physical separation between hazardous area blue field wiring and safe area non-intrinsically safe connections.\u003c\/li\u003e\n\u003cli\u003eWire 2-wire transmitters to terminals 1+ and 2-, or current sources to terminals 3+ and 4-.\u003c\/li\u003e\n\u003cli\u003eConnect control system analog inputs across terminals 5- and 6+ (or 5- and 8+ if internal HART resistance is needed).\u003c\/li\u003e\n\u003cli\u003eProvide 24 V DC power via terminals 9+ and 10- or directly through the Power Rail system.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eConfiguration Guidelines\u003c\/h3\u003e\n\u003cp\u003eThe output operational mode is set via four DIP switches (S1, S2, S3, S4) located on the side of the housing:\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMode of Operation\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eS1\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eS2\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eS3\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eS4\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent source output 4 ... 20 mA (Default)\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage source output 1 ... 5 V\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent sink output 4 ... 20 mA\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003ctd\u003eII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eNote: Change DIP switch positions only when no explosive atmosphere is present.\u003c\/p\u003e\n\u003ch3\u003eCommissioning Recommendations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the front green PWR LED lights up, indicating correct 24 V DC power supply delivery.\u003c\/li\u003e\n\u003cli\u003eConfirm field loop current using an external meter or HART communicator via the integrated test sockets on the terminals.\u003c\/li\u003e\n\u003cli\u003eValidate HART or BRAIN signal pass-through between field device and host DCS\/PLC.\u003c\/li\u003e\n\u003cli\u003eFor SIL 2 safety applications, record settings and execute full functional proof tests at scheduled operational intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCertification \/ Standard\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX (Intrinsic Safety)\u003c\/td\u003e\n\u003ctd\u003eCESI 06 ATEX 021 X: II (1)G [Ex ia Ga] IIC, II (1)D [Ex ia Da] IIIC, I (M1) [Ex ia Ma] I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX (Zone 2)\u003c\/td\u003e\n\u003ctd\u003eCESI 19 ATEX 021 X: II 3G Ex ec IIC T4 Gc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIECEx\u003c\/td\u003e\n\u003ctd\u003eIECEx CES 06.0001X: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I, Ex ec IIC T4 Gc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNorth America\u003c\/td\u003e\n\u003ctd\u003eFM 18 CA 0116 X, FM 19 US 0117 X, cULus E106378: Class I, Div 2, Groups A-D T4; Associated apparatus for Class I, II, III Div 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCC\u003c\/td\u003e\n\u003ctd\u003e2020322316001218: Ex ec [ia Ga] IIC T4 Gc, [Ex ia Da] IIIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMC Directive\u003c\/td\u003e\n\u003ctd\u003e2014\/30\/EU, EN 61326-1:2013, NE 21:2017, EN 61326-3-2:2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX Directive\u003c\/td\u003e\n\u003ctd\u003e2014\/34\/EU, EN IEC 60079-0, EN IEC 60079-11, EN IEC 60079-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":53737042608491,"sku":"KCD2-STC-Ex1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/KCD2-STC-Ex1_1.jpg?v=1787056992","url":"https:\/\/www.plcprotech.com\/it\/products\/pepperl-fuchs-kcd2-stc-ex1-smart-transmitter-power-supply","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}