Relay Output Terminal CHARM Carrier | Emerson KL4502X1-MA1
Manufacturer: Emerson
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Part Number: KL4502X1-MA1
Condition：New with Original Package
Product Type: I/O Terminal Baseplates
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson KL4502X1-MA1 DeltaV CHARM Carrier
Configured for physical module baseplate interface execution in Emerson DeltaV Electronic Marshalling systems, the Emerson KL4502X1-MA1 (KL4502X1-MA1 Relay Output Terminal CHARM) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KL4501X1-MA1 (KL4502X1-MA1) |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.60 kg |
| Dimensions | 107 x 41 x 105 mm |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | +6.3 VDC at 2 mA bus power rating |
| System Compatibility | Emerson DeltaV DCS (CHARM subsystem) |
| Supported Modules | Relay output, analog I/O, digital I/O, specialty CHARM cards |
| Environmental Protection | ISA-S71.04 Class G3, IP20 |
| Vibration Resistance | 1 mm P-P (2-13.2 Hz), 0.7 g (13.2-150 Hz) |
| Shock Resistance | 10 g half-sine wave for 11 ms |
| Humidity Range | 5% to 95% non-condensing |
| Hazardous Approvals | Zone 2, Class I Div. 2 (CE, UL, ATEX, IECEx, FM, UKEX) |
Channel-to-Channel Isolation & HART Loop Routing
The 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.
Frequently Asked Questions
Q: Does replacing a CHARM card mounted on the KL4502X1-MA1 require shutting down power to the carrier?
A: No, the baseplate design permits hot-swapping individual CHARM modules under live backplane power without interrupting adjacent channel operations.
Q: How does the KL4502X1-MA1 maintain signal isolation across multiple relay outputs?
A: 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.
Q: Can this terminal baseplate accept standard analog and digital CHARM cards in addition to relay modules?
A: Yes, the universal slot geometry accepts various CHARM module types, including 4-20 mA HART analog, discrete digital input/output, and specialized relay modules.
Field Installation Guidelines
Mount 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.