Emerson 12P1442X042 M‑Series Controller Module

Technical Specifications

Model：12P1442X042（Alias:KJ2002X1‑BA1）

Brand：Emerson

Product Type：M‑Series Controller Module

Applicable System：Emerson DeltaV DCS system, petrochemical and thermal power plant control cabinet

Supply Voltage：5VDC LocalBus power

Interface：DeltaV rack backplane connector, dual ethernet communication port

Common Revision：Multiple hardware revisions available

Status Indicator：On‑board LED for power supply, running status, communication and fault diagnostic status

Built‑in Function：Process control logic execution, I/O signal data processing, system bus data interaction, redundant hot‑standby support, module self‑diagnosis, alarm status output

Working Temperature：0℃ ~ +60℃

Storage Temperature：‑20℃ ~ +70℃

Protection Class：IP20

Mounting：DeltaV rack slot‑in installation

Weight：0.72kg

Product Brief:

12P1442X042, alias KJ2002X1‑BA1, is legacy M‑series core controller module of Emerson DeltaV DCS system. As the main processing unit of DeltaV system, it executes user‑configured process control logic, completes data interaction with I/O modules through rack backplane bus. It supports redundant hot‑standby deployment to improve system operation reliability. Dual Ethernet ports realize network communication with workstation and other system nodes. On‑board LED gives visual feedback of power, running, communication and fault conditions. This is EOL discontinued spare part,widely used for maintenance and renovation of petrochemical and thermal power plant DeltaV DCS equipment. Please confirm hardware revision and rack compatibility before purchase. Strict ESD anti‑static protection shall be followed during installation and replacement.