Overview
Configured for intrinsic safety RTD and resistance signal acquisition in the DeltaV CHARMs subsystem, the Emerson KL3106X1-LS1 (KL3106X1 LS I.S. RTD / Resistance Input CHARM) provides direct electrical interface processing for field resistance measurement loops.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KL3106X1-LS1 |
| Brand | Emerson |
| Product Type | Intrinsically Safe RTD / Resistance Input CHARM |
| System Platform | DeltaV CHARMs Subsystem |
| 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 23 mA |
| Input Function | RTD and resistance measurement input |
| Hazardous Area Certification | II 3(1) G Ex ec [ia Ga] IIC Gc |
| Hazardous Area Certification | II 3G (1D) Ex ec [ia IIIC Da] IIC Gc |
| ATEX Certification | FM11ATEX 0030U |
| IECEx Certification | IECEx FMG 11.0014U |
| UKEX Certification | FM21UKEX0156U |
| 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 |
| Zone Certification | CL I, ZN 2 AEx ec [ia IIIC Da] IIC Gc |
| FM US / Canada Certification | FM20US0096U; FM20CA0044U |
| Relative Humidity | 5 to 95% Non-Condensing |
| Shock Resistance | 10g half sinewave for 11 msec |
| Vibration Resistance | 1 mm Peak to Peak from 13.2 Hz; 0.7g from 13.2 to 150 Hz |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 |
| Terminal Block Key Position | E6 |
Channel Isolation and Intrinsic Safety Interface
The KL3106X1-LS1 provides an intrinsically safe interface for RTD and resistance field devices through the DeltaV CHARMs architecture. The module manages field circuit power delivery at +24 VDC and separates hazardous-area field wiring from the control subsystem through certified protection methods.
The module supports hazardous location installation using Ex ec and Ex i protection concepts. Additionally, it maintains electrical separation between the CHARM Bus communication layer and the field measurement circuit to support safe signal acquisition in classified environments.
Frequently Asked Questions
Q: Can the KL3106X1-LS1 be removed or inserted while system power is energized?
A: No. The module cannot be removed or inserted with system power energized. Follow the DeltaV CHARMs hardware installation procedures before replacement or maintenance.
Q: Does the KL3106X1-LS1 require user calibration?
A: No. The module does not require calibration during normal operation. It contains no user serviceable parts and should not be disassembled.
Q: Which installation documents define hazardous area requirements?
A: Hazardous area installation must follow IS-CHARM Subsystem 12P6523 and DeltaV IS-CHARMs Control Drawings 12P6122 and 12P6123.
Field Installation Guidelines
- Install the KL3106X1-LS1 according to DeltaV CHARMs hardware installation procedures and applicable hazardous area documentation.
- Verify the product label information, including serial number, manufacturing location, and production date, before installation.
- Maintain proper separation between intrinsically safe field wiring and non-intrinsically safe circuits.
- Use approved terminal blocks and wiring methods compatible with the E6 terminal block key position.
- Route RTD and resistance signal wiring away from high-current switching circuits to reduce electrical interference.
- Connect field cable shields according to the site grounding standard and hazardous area engineering requirements.
- Do not disassemble the module because it contains no user serviceable internal components.
- Confirm hazardous area certification markings match the installation zone classification before energizing the system.
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