Emerson DeltaV KJ4001X1-CE1

Product Name:​ Emerson DeltaV KJ4001X1-CE1 Series 2 I/O Carrier (Baseplate / Terminal Block Carrier)
Product Introduction:
The KJ4001X1-CE1 is a DeltaV Series 2 I/O carrier (sometimes called baseplate or mid-size carrier) that mechanically houses up to eight DeltaV Series 2 I/O or communication modules and provides the electrical backplane (LocalBus) connection between modules and the DeltaV controller. It also supplies bussed field power distribution to the mounted modules.
Category:
Description
Technical Specifications:
  • Manufacturer:​ Emerson Automation Solutions
  • Model / Part No.:​ KJ4001X1-CE1
  • Series:​ DeltaV Series 2
  • Function:​ I/O Module Carrier / Base Unit
  • Module Slots:​ 8 slots for Series 2 I/O modules (e.g. KJ3223X1-BA1, KJ2222X1-BA1, KJ3243X1-BA1, etc.)
  • LocalBus Interface:​ Yes — connects modules to controller via redundant LocalBus cables
  • Field Power Bus:​ 24 V DC bussed to modules (fused per carrier)
  • Redundancy Support:​ Compatible with redundant controllers and redundant I/O (when used with redundant terminal blocks)
  • Indicators:​ Carrier Power LED; sometimes Module Active LEDs
  • Mounting:​ 19″ rack mount or panel mount (with appropriate DeltaV rack hardware)
  • Dimensions (approx.):​ 440 mm × 130 mm × 40 mm (W×D×H) — typical 8-slot carrier
  • Operating Temp:​ 0 °C to +60 °C
  • Certification:​ CE, FM, CSA, C-Tick; Class I Div 2
  • Weight:​ ~1.0–1.5 kg (without modules)
Functional Features:
  • Plug-and-play module recognition by DeltaV software
  • Supports mixed analog, discrete, and communication modules in any slot arrangement (subject to power budget)
  • Bussed 24 V DC field power distributed to all modules (externally fused)
  • Keying mechanism prevents incorrect module insertion in some variants
Material & Construction:
  • Rigid sheet-metal chassis with gold-plated backplane pins
  • Plastic module guides with keying tabs
  • Ventilation slots for convection cooling
Installation Notes:
  • Secure in DeltaV rack with proper torque on mounting screws
  • Connect LocalBus cables (redundant A/B) from controller to carrier — observe pin orientation
  • Supply 24 V DC field power from isolated power supply through appropriately sized fuse
  • Ensure all unused slots have blank covers to maintain EMC integrity
  • Ground carrier/chassis to plant earth bar with minimum 4 mm² wire
Applications:​ Forms the physical foundation of any DeltaV Series 2 I/O node in refineries, chemical plants, power stations, and pharmaceutical facilities — hosts analog input, discrete I/O, and fieldbus interface modules.
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