Emerson KL3104X1-BA1 | 45 mA I.S. Discrete Output CHARM

Product Description

The KL3104X1-BA1 is an intrinsically safe (I.S.) discrete output CHARM module from Emerson, designed for DeltaV systems. It provides up to 45 mA digital output signals, enabling safe control of actuators, solenoids, and other low-power field devices in hazardous areas.

Engineered for Zone 2 / Class I Division 2 environments, this module offers compact CHARM integration, robust environmental resistance, and reliable operation under vibration, shock, and airborne contaminant exposure. The keyed 3E terminal block ensures proper installation and wiring security. With no user-serviceable parts and no calibration required, KL3104X1-BA1 delivers maintenance-free, dependable performance.

Technical Specifications

• Model: KL3104X1-BA1

• Module Type: Intrinsically Safe Discrete Output (DO) CHARM

• Output Signal: Digital, up to 45 mA

• Safety Type: Intrinsically Safe (I.S.)

• CHARM Bus Power: +6.3 VDC, 0 mA

• Field Circuit Power: +24 VDC, 78 mA

• Channels: Single-channel output

• Terminal Block Key Position: 3E

• Operating Temperature: –40 °C to +70 °C

• Humidity: 5–95% RH, non-condensing

• Shock Resistance: 10 g, half-sine wave, 11 ms

• Vibration: 2–13.2 Hz: 1 mm peak-to-peak; 13.2–150 Hz: 0.7 g

• Airborne Contaminants: ISA-S71.04-1985 Class G3

• Weight: 0.51 lbs

Safety & Compliance

• Hazardous Atmosphere Ratings:

• II 3(1) G Ex ec [ia Ga] IIC Gc

• II 3G (1D) Ex ec [ia IIIC Da] IIC Gc

• Class I, Division 2, Groups A–D

• Zone 2 AEx ec [ia Ga/IIIC Da] IIC Gc

• Certifications: ATEX, IECEx, FM, UKEX

• Installation Note: Must not be inserted or removed while energized unless the area is confirmed non-hazardous

Key Highlights

• Provides intrinsically safe discrete output for hazardous areas

• Supports low-power devices with up to 45 mA drive capability

• Compact CHARM form factor allows seamless DeltaV system integration

• Wide environmental tolerance: –40 °C to +70 °C, Class G3 airborne contaminants

• Keyed terminal block ensures correct installation and wiring

Applications

• Driving actuators, solenoids, and field indicators in hazardous environments

• DeltaV systems requiring single-channel intrinsically safe outputs

• Oil, gas, and chemical plants with Zone 2 / Class I Div. 2 installations

FAQ

Q: Can this module be used in Zone 2 hazardous areas?
A: Yes, the KL3104X1-BA1 is intrinsically safe and certified for Zone 2 / Class I Division 2.

Q: What is the maximum output current?
A: The module supports discrete output signals up to 45 mA per channel.

Q: Is calibration required?
A: No, the module requires no calibration and has no user-serviceable parts.