Emerson DeltaV KJ2201X1-PW1 SIS Smart Logic Solver

Overview

The Emerson KJ2201X1-PW1 appears in Emerson DeltaV™ system documentation with conflicting primary classifications across verified industrial suppliers. The majority of automation distributors identify it as a DeltaV SIS Smart Logic Solver for safety instrumented systems, while a subset of suppliers classify it as a Redundant Power Supply Module. The specifications below consolidate all verified data points with conflict annotations.

Technical Specifications — SIS Logic Solver Classification

• Manufacturer: Emerson
• Model: KJ2201X1-PW1
• Type (per ExcellentPLC): Smart Logic Solver
• Safety Integrity Level: SIL 3 (IEC 61508)
• Power Input: 24 VDC nominal
• Logic Channels: 16 discrete input/output
• Communication: Ethernet (standard); FOUNDATION Fieldbus (optional)
• Response Time: < 100 ms
• Operating Temperature: 0 °C to +60 °C
• Storage Temperature: −40 °C to +85 °C
• Dimensions: 200 × 300 × 50 mm
• Weight: 2.5 kg
• Certifications: IEC 61508 SIL 3, CE, UL, CSA

Technical Specifications — Power Supply Classification

• Type (per SaulDCS): Redundant Power Supply Module
• Input Voltage: 100–240 VAC, 50/60 Hz (auto-ranging)
• Output Voltage: 24 VDC ±1 %, 10 A (240 W continuous)
• Redundancy: N+1 hot-swappable, dual input feeds
• Efficiency: ≥94 % (typical at full load)
• Protection: Overvoltage, overcurrent, short-circuit, thermal shutdown
• Operating Temperature: −25 °C to +70 °C (derate above 50 °C)
• Certifications: UL 60950-1, CE, RoHS, IEC 62368-1

Environmental Ratings (Common)

• Relative Humidity: 5 % – 95 % non-condensing
• Airborne Contaminants: ISA-S71.04-1985 Class G3

FAQ

Q: Is this a logic solver or a power supply?
A: Verified suppliers conflict. ExcellentPLC/Vogiauto classify it as a SIL 3 logic solver; SaulDCS classifies it as a 24 VDC redundant power supply. Verify your exact part number and revision against the Emerson DeltaV system BOM before procurement.

Q: What is the response time for safety logic?
A: Per the logic-solver classification, response time is < 100 ms.

Q: Can this module be hot-swapped?
A: Per the power-supply classification, it supports N+1 hot-swap. Per the logic-solver classification, refer to your DeltaV SIS safety manual for online replacement procedures.

Installation Guidelines

1. Verify the exact function of KJ2201X1-PW1 in your system architecture (logic solver vs. power supply).
2. Mount in the appropriate DeltaV SIS chassis or power rack per the verified classification.
3. Connect 24 VDC (logic solver) or 100–240 VAC (power supply) to the designated terminals.
4. For safety logic solver mode, commission SIL logic offline before energizing outputs.

Selection Tips

• Do not order blindly. Confirm whether your system requires KJ2201X1-PW1 as a logic solver or as a power supply—the same catalog number covers different functions per supplier listings.
• If used as a logic solver, confirm SIL 3 loop calculations and proof-test intervals.
• If used as a power supply, verify total load current does not exceed 10 A continuous.