Description

The Emerson KJ3225X1-BK1 is a high-precision RTD/resistance input module designed for use in DeltaV™ S-Series distributed control systems. It captures temperature and resistance signals from field devices and converts them into digital data for process control and monitoring.

Specifications

• Model: KJ3225X1-BK1
• Module Type: Analog RTD / Resistance Input
• Input Channels: 16 channels
• Signal Types: RTD (e.g., Pt100, Pt1000), resistance inputs
• Resolution: 16-bit (65,536 levels)
• Accuracy: ±0.1% of full scale
• Local Bus Power: 12 VDC at 160 mA
• Operating Temperature: –40°C to +70°C
• Humidity Range: 5% to 95% non-condensing
• Shock Resistance: 10g, ½ sinewave for 11 ms
• Vibration Resistance: 1 mm peak-to-peak (2–13.2 Hz), 0.7g (13.2–150 Hz)
• Contaminant Class: ISA-S71.04 Class G3
• Terminal Block Keying: C3 position
• Hazardous Area Ratings:
  • ATEX II 3G Ex ec IIC Gc
  • IECEx Ex ec IIC Gc
  • FM Class I Div. 2 Groups A–D
• Mounting: Installed via carrier; field power must be removed before insertion/removal
• Lifecycle Status: End-of-life; may be used in redundant configurations

Features

• High-Accuracy Measurement: Captures precise temperature and resistance data for critical control applications
• Wide Signal Compatibility: Supports multiple RTD types and resistance ranges
• Industrial Durability: Operates in extreme temperatures and harsh environments
• Hazardous Area Certified: Safe for use in explosive atmospheres and classified zones
• Redundancy Support: Can be installed as a redundant pair for high-availability systems
• Auto-Sensing Configuration: Detects terminal block type and configures automatically
• No Calibration Required: Factory-calibrated for long-term stability
• Maintenance-Free Design: No user-serviceable parts; designed for reliable, continuous operation