{"product_id":"relay-output-terminal-charm-carrier-emerson-kl4502x1-ma1","title":"Relay Output Terminal CHARM Carrier | Emerson KL4502X1-MA1","description":"\u003ch2\u003eEmerson KL4502X1-MA1 DeltaV CHARM Carrier\u003c\/h2\u003e\n\u003cp\u003eConfigured for physical module baseplate interface execution in Emerson DeltaV Electronic Marshalling systems, the \u003cstrong\u003eEmerson KL4502X1-MA1\u003c\/strong\u003e (\u003cstrong\u003eKL4502X1-MA1\u003c\/strong\u003e Relay Output Terminal CHARM) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKL4501X1-MA1 (KL4502X1-MA1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.60 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e107 x 41 x 105 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e+6.3 VDC at 2 mA bus power rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eEmerson DeltaV DCS (CHARM subsystem)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Modules\u003c\/td\u003e\n\u003ctd\u003eRelay output, analog I\/O, digital I\/O, specialty CHARM cards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04 Class G3, IP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e1 mm P-P (2-13.2 Hz), 0.7 g (13.2-150 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Resistance\u003c\/td\u003e\n\u003ctd\u003e10 g half-sine wave for 11 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Approvals\u003c\/td\u003e\n\u003ctd\u003eZone 2, Class I Div. 2 (CE, UL, ATEX, IECEx, FM, UKEX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; HART Loop Routing\u003c\/h3\u003e\n\u003cp\u003eThe terminal baseplate provides localized signal isolation and physical wiring infrastructure across the CHARM subsystem backplane. Channel-to-channel isolation limits prevent field power transients or ground loops on relay output field terminals from propagating back into adjacent I\/O slots or central controller processing units. Furthermore, the internal printed circuit trace network maintains continuous HART loop protocol signal pass-through for analog CHARM variants, allowing digital field calibration data and device status telemetry to travel directly across the carrier plane to the DeltaV system network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does replacing a CHARM card mounted on the KL4502X1-MA1 require shutting down power to the carrier?\u003c\/p\u003e\n\u003cp\u003eA: No, the baseplate design permits hot-swapping individual CHARM modules under live backplane power without interrupting adjacent channel operations.\u003c\/p\u003e\n\u003cp\u003eQ: How does the KL4502X1-MA1 maintain signal isolation across multiple relay outputs?\u003c\/p\u003e\n\u003cp\u003eA: Internal physical barriers and dedicated circuit tracks provide channel-to-channel galvanic separation, isolating high-power relay switching circuits from low-voltage internal backplane signals.\u003c\/p\u003e\n\u003cp\u003eQ: Can this terminal baseplate accept standard analog and digital CHARM cards in addition to relay modules?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the universal slot geometry accepts various CHARM module types, including 4-20 mA HART analog, discrete digital input\/output, and specialized relay modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the terminal baseplate vertically onto the DeltaV carrier rail until the primary DIN locking mechanism clicks into place. Connect field conductors to the terminal blocks using stripped 18 to 22 AWG copper wire, ensuring terminal screws are tightened to specified torque values. Terminate cable shields directly at the main grounding bus bar to prevent high-frequency noise coupling across the internal backplane traces. Verify that all conduit entries maintain a minimum of 5 full threads engagement to satisfy Class I Div. 2 hazardous location requirements.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43840430702691,"sku":"KL4502X1-MA1","price":370.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/122.1_39ece9e1-f43a-4320-917b-17261624223d.jpg?v=1763346866","url":"https:\/\/www.autocontrolglobal.com\/products\/relay-output-terminal-charm-carrier-emerson-kl4502x1-ma1","provider":"AutoControl Global","version":"1.0","type":"link"}