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The KJ2002X1-BA1 (12P1442X042), also known as the VE3002, is an MD Plus (M3) controller for the Emerson Electric DeltaV™ M-Series distributed control system (DCS). Acting as the central processing unit for the I/O subsystem,...
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The KJ2002X1-BA1 (12P1442X042), also known as the VE3002, is an MD Plus (M3) controller for the Emerson Electric DeltaV™ M-Series distributed control system (DCS). Acting as the central processing unit for the I/O subsystem, this controller executes complex control strategies—including Function Block Diagrams (FBD), Sequential Function Charts (SFC), and advanced regulatory control—with deterministic, high-speed performance.
Designed as a plug-and-play module, the KJ2002X1-BA1 installs in the right slot of a 2-wide power/controller carrier. It features self-addressing technology, automatically identifying itself on the DeltaV Area Control Network (ACN) without DIP switch configuration.
For mission-critical applications, it supports 1:1 controller redundancy (Active/Standby), enabling automatic failover without process interruption, ensuring continuous operation in high-availability environments.
| Specification | Details |
|---|---|
| Model | KJ2002X1-BA1 |
| Part Number | 12P1442X042 |
| Alternate Model | VE3002 |
| Processor Type | MD Plus (M3 Performance Tier) |
| Local Bus Power | 5 VDC at 1.4 A (Max) |
| Auxiliary Bus Power | 3.3 VDC at 500 mA |
| Memory | High-speed RAM with non-volatile flash backup |
| Network Ports | Dual 8-pin RJ-45 (DeltaV Control Network) |
| Redundancy | 1:1 Parallel Redundancy (Active/Standby) |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
| Dimensions | 12.1 cm × 5.2 cm × 16.6 cm |
| Weight | 0.32 kg |
The front panel includes four LED indicators for rapid diagnostics:
Power (Green): Confirms DC power from the carrier
Error (Red): Indicates hardware or software fault
Active (Green): Controller is primary and managing I/O
Standby (Green): Controller synchronized and ready for failover
Oil & gas refining
Chemical processing
Power generation
Water and wastewater treatment
Large-scale continuous process plants
The MD Plus performance tier makes it suitable for large I/O counts, advanced regulatory control loops, and complex batch or sequential automation strategies.
What is the difference between KJ2002X1-BA1 and KJ2001X1-BA1?
The KJ2002X1-BA1 (M3 / MD Plus) offers significantly higher processing power and memory capacity compared to the M2 (KJ2001X1-BA1), making it ideal for larger systems and more complex control algorithms.
Does this controller require manual IP configuration?
No. The DeltaV system uses a self-locating protocol. Once connected to the ACN, the system automatically assigns communication parameters based on the controller’s physical carrier position.
Does it support hot-swapping?
Yes, when installed in a properly configured redundant architecture, controllers can be replaced with minimal process disruption.
