Model Interpretation

12P4986X052: Emerson internal material code

KL4201X1-BA1: Standard model

KL4201: S series CHARM backplane / power supply series

X1: Hardware version

BA1: Standard type, integrated power supply Basic Information

Manufacturer: Emerson Process Management

Origin: United States

Size: Standard S-series single-slot module

Weight: Approximately 0.14 kg

Installation: DeltaV S-series I/O rack, hot-swappable

Status: Active mainstream, S-series core spare part

Certification: CE, UL/CSA, Class I Div.2 explosion-proof

Function positioning

Special backplane + power supply module of DeltaV S-series CHARM I/O system

Provide mechanical support, signal interface and power supply for CHARM cards (such as AI, AO, DI, DO)

Integrate DC/DC power supply, convert input voltage to 6.3VDC for CHARM bus and 24VDC for the field

Support hot-swapping, online diagnosis, redundant power supply adaptation

High density, a single backplane can accommodate multiple CHARM cards, saving cabinet space

Core parameters

Input voltage: 24VDC (19.2–28.8V)

Output:

CHARM bus: 6.3VDC @ 4A

Field circuit: 24VDC @ 10A

Isolation: Field - system side photoelectric isolation

Operating temperature: -40°C ~ +70°C

Status indicator: Power normal, fault LED

Power consumption: Approximately 8W (full load)

Adapting accessories

Matching CHARM cards: KL3000 series (AI/AO/DI/DO)

Rack: DeltaV S-series I/O rack

Power supply: System 24VDC redundant power supply (such as KJ1501X1-BC3)

Cable: 24AWG shielded wire, CHARM bus cable

Typical applications

Petroleum and chemical industry: S-series remote I/O station, compatible with various CHARM cards

Oil and gas industry: DCS distributed I/O, explosion-proof I/O interface

Power and energy industry: Power plant auxiliary systems, boiler / turbine remote signal acquisition

Water treatment: Distributed control of large water plants, on-site instrument signal interface

Manufacturing industry: High-density I/O points for process industries, cabinet space optimization scenarios