Overview
The Emerson KL3104X1-BA1, also cataloged as the KL3104X1-BA1 I.S. DO 45 mA CHARM, operates as a dedicated hardware component for intrinsically safe discrete output execution within the DeltaV Electronic Marshalling CHARM subsystem.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KL3104X1-BA1 |
| Brand | Emerson |
| Origin | USA |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | CHARM Bus: +6.3 VDC at 0 mA; Field Circuit: +24 VDC at 78 mA |
| Product Type | Intrinsically Safe Digital Output CHARM Module |
| Output Type | I.S. DO 45 mA |
| Hazardous Area Certification | II 3(1) G Ex ec [ia Ga] IIC Gc; II 3G (1D) Ex ec [ia IIIC Da] IIC Gc |
| North America Certification | CL1, DIV 2, GP A-D; Associated CL I, II, III, DIV 1, GP A-G |
| Zone Certification | CL I, ZN 2 AEx ec [ia Ga] IIC Gc; CL I, ZN 2 AEx ec [ia IIIC Da] IIC Gc |
| ATEX Certification | FM11ATEX 0030U |
| IECEx Certification | IECEx FMG 11.0014U |
| UKEX Certification | FM21UKEX0156U |
| US/Canada Certification | FM20US0096U; FM20CA0044U |
| Terminal Block Key Position | 3E |
| Shock Resistance | 10 g 1/2 Sinewave for 11 msec |
| Vibration Resistance | 1 mm Peak to Peak from 2 to 13.2 Hz; 0.7 g from 13.2 to 150 Hz |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 |
| Relative Humidity | 5 to 95% non-condensing |
Intrinsic Safety and Channel Isolation Characteristics
The Emerson KL3104X1-BA1 uses intrinsic safety protection methods for hazardous area digital output applications. The module controls field output circuits while maintaining electrical separation between the CHARM Bus interface and the connected field wiring.
Furthermore, the module supports Ex i installation concepts with associated hazardous area certifications. The design applies channel isolation principles used in DeltaV CHARM architectures to limit fault energy transfer and maintain safe field circuit operation.
The module follows DeltaV Electronic Marshalling hardware practices, where I/O channels receive individual configuration and signal handling through the CHARM subsystem. Therefore, field wiring changes can be managed at the module level without modifying traditional marshalling cabinet structures.
Frequently Asked Questions
Q: Can the KL3104X1-BA1 be removed or inserted while system power is energized?
A: No. The module cannot be removed or inserted with system power energized. Installation and replacement must follow DeltaV CHARM subsystem safety procedures.
Q: Does the KL3104X1-BA1 require user calibration or internal adjustment?
A: No. The module requires no calibration, and it contains no user serviceable parts. The enclosure should not be disassembled.
Q: What environmental conditions support KL3104X1-BA1 operation?
A: The module operates from -40 deg C to +70 deg C and supports 5 to 95% non-condensing relative humidity with ISA-S71.04-1985 Class G3 airborne contaminant compatibility.
Field Installation Guidelines
- Install the KL3104X1-BA1 according to the DeltaV IS-CHARM Subsystem installation instructions and applicable hazardous area control drawings.
- Verify hazardous location certification requirements before connecting field circuits.
- Maintain proper segregation between intrinsically safe wiring and non-I.S. circuits during cabinet installation.
- Confirm terminal block key position as 3E before module installation.
- Follow approved grounding and shielding practices for field wiring to reduce electrical interference.
- Do not remove or insert the module while system power is active.
- Inspect module labels for serial number, manufacturing location, and production date before commissioning.
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