Emerson KL4101X1-BA1 CHARM I/O Card Carrier

KL4101X1-BA1 I/O Carrier for Hazardous Areas

Product Introduction

The KL4101X1-BA1 CHARM I/O Card Carrier from Emerson delivers dependable power distribution for CHARM I/O modules. You can use this carrier in hazardous atmospheres like Zone 2 or Class I Division 2. It accepts 24 VDC input at 12 A and provides 6.3 VDC at 3.25 A to connected CHARMs. Additionally, this model supports a wide ambient temperature range from -40 °C to +70 °C. Its rugged construction handles high shock and vibration levels. Therefore, the KL4101X1-BA1 is ideal for oil and gas, chemical, and other harsh industrial sites.

Technical Specifications

Power Requirements

• Input Power: 24 VDC at 12 A

• Output Power to CHARMS: 6.3 VDC at 3.25A (critical for stable CHARM operation)

Hazardous Area Certifications

• II 3G Ex ec IIC Gc

• FM19ATEX0173U / IECEx FMG 19.0019U / FM21UKEX0017U

• CL. I Div. 2 GP. A,B,C,D

• CL. I Zone 2 AEx/Ex ec IIC Gc

• FM17CA0145U / FM17US0286U

Environmental Limits

• Ambient Temperature: -40 °C to +70 °C

• Shock: 10g ½ Sinewave for 11 msec

• Vibration: 1mm Peak to Peak from 2 to 13.2Hz; 0.7g from 13.2 to 150Hz

• Relative Humidity: 5 to 95% non-condensing

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

Mechanical and Environmental Performance

This carrier withstands severe industrial conditions. For instance, the 10g shock tolerance protects internal circuits during sudden impacts. Meanwhile, the vibration rating ensures stable connections on moving equipment. Furthermore, its G3 contaminant rating means it resists corrosive gases commonly found in pulp mills or refineries. Consequently, the KL4101X1-BA1 maintains CHARM I/O system integrity where other carriers might fail.

Removal, Insertion and Safety Rules

You cannot remove or insert the KL4101X1-BA1 while system power is energized unless the area is confirmed non-hazardous. This precaution prevents ignition in explosive atmospheres. Also, this unit contains no user-serviceable parts. Therefore, do not disassemble it for any reason. Calibration is not required. These design choices reduce maintenance effort and improve long-term reliability.

Installation Guidelines

Follow these steps for a safe installation:

1. Verify the area is non-hazardous before working on power.

2. Mount the KL4101X1-BA1 securely on a DIN rail or panel.

3. Connect 24 VDC input power at up to 12 A.

4. Attach CHARM I/O modules to the carrier's slots.

5. Ensure wiring does not exceed recommended bend radii.

Additionally, keep the carrier away from direct heat sources. Use copper conductors rated for at least 75°C. Finally, perform a visual inspection after wiring to avoid loose connections.

Packaging List

• 1 x Emerson KL4101X1-BA1 CHARM I/O Card Carrier

• 1 x Installation instruction sheet

• 2 x Mounting clips

• 4 x Terminal block plugs

Note: No certificates or warranty documents are included in this package.

Shipping

We ship all orders via Fedex, UPS, or DHL. Your KL4101X1-BA1 will be packed in anti-static material and industrial-grade cartons. Tracking information is provided within 24 hours after dispatch.

Frequently Asked Questions (FAQ)

1. Can I hot-swap the KL4101X1-BA1 in a live system?
No. You must de-energize the system or confirm a non-hazardous area before removal or insertion.

2. What happens if the input voltage drops below 24 VDC?
The output to CHARMs may fall below 6.3 VDC. This can cause erratic module behavior. Therefore, use a regulated 24 VDC supply.

3. Does this carrier work with all CHARM I/O modules?
Yes. The KL4101X1-BA1 is designed to support the full CHARM I/O family from Emerson.

4. Is calibration needed after installation?
No calibration is required. The KL4101X1-BA1 operates as a passive power distribution carrier.

5. How do I clean the carrier in a G3 corrosive environment?
Use a soft brush and isopropyl alcohol. Avoid abrasive cleaners. Regular inspection every six months is recommended.