KJ3223X1-BA1 Emerson 16-Channel 4-20 mA AI Card Series 2

KJ3223X1-BA1 2-Wire AI, 16-Channel, 4-20 mA Series 2 Card

Emerson KJ3223X1-BA1 is a 2-wire analog input card for Series 2 systems. It offers 16 channels with a 4-20 mA field signal. The card fits process control cabinets and remote I/O nodes. It supports local bus power and bussed field power. The unit needs no calibration. It has no user serviceable parts. Install it with the correct terminal block key. Remove field power before you connect or remove the device.

Technical Data

• Brand: Emerson
• Model: KJ3223X1-BA1
• Series: Series 2
• Module type: 2-Wire Analog Input Card
• Channels: 16
• Input signal: 4-20 mA
• LocalBus power rating: 12 VDC at 150 mA
• Bussed field power rating: 24 VDC at 600 mA
• Field circuit rating: 24 VDC at 32 mA
• Measurement range: 4-20 mA loop input
• Frequency response: Not specified by the source data
• Sensitivity: Not specified by the source data
• Linearity: Not specified by the source data
• Resolution: Not specified by the source data
• Temperature range: -40 to 70 °C ambient
• Environmental tolerance: 5 to 95% relative humidity, non-condensing; IP 20 rating
• Shock resistance: 10g half sinewave for 11 msec
• Vibration resistance: 1 mm peak to peak from 5 to 16 Hz; 0.5g from 16 to 150 Hz
• Airborne contaminants: ISA-S71.04-1985 Class G3
• Interference resistance: Built for G3 airborne contaminant class and industrial shock and vibration levels
• Terminal block key position: A2

Installation Guide

• Remove field power at the field terminal or at the carrier bussed field power feed before you remove or connect the device.
• Complete an I/O loop assessment on all energy limited nodes.
• You may remove or insert one unit while system power is energized. Only one unit at a time is allowed.
• Use the unit with KJ1501X1-BC1 System Dual DC/DC Power Supply on 24 VDC or 12 VDC input.
• Keep primary circuit wiring inductance for input power below 23 uH.
• Or use a certified supply with open circuit voltage Ui of 12.6 VDC and Lo below 23 uH, including wire inductance.
• Set the terminal block keys for the I/O card before use. The rotary keying system ensures card and block compatibility.
• Do not remove a terminal block fuse with field power energized for non-sparking circuits.

Commissioning and Maintenance Ease

• Calibration is not required.
• The unit has no user serviceable parts. Do not disassemble it for any reason.
• Keyed terminal blocks simplify correct mating after installation.
• Clear power ratings help you plan local bus and field power budgets.
• Wide ambient range supports use in hot and cold plant areas.

Compatibility Notes

• Designed for Series 2 I/O systems.
• Works with the KJ1501X1-BC1 System Dual DC/DC Power Supply under the stated input and inductance limits.
• Terminal block key position must be A2.
• Use only compatible terminal blocks with the correct key setting.

Certification and Compliance Information

• Airborne contaminant class: ISA-S71.04-1985 Class G3.
• Ingress protection: IP 20.
• Shock and vibration ratings follow the published industrial limits in the technical data.
• No calibration certificate is required for this unit.

Packing List and Warranty

• 1 x Emerson KJ3223X1-BA1 2-Wire AI, 16-Channel, 4-20 mA Series 2 Card
• Warranty: 12 months
• Dispatch: 12-24 hours
• Courier: FedEx, UPS, DHL

Expert Review

The KJ3223X1-BA1 suits plants that need dense 4-20 mA input in a Series 2 rack. Sixteen channels save panel space. The wide -40 to 70 °C range helps in harsh rooms. The G3 contaminant rating adds confidence in dirty air. Keyed blocks reduce wiring mistakes. The card has no calibration step, so startup is faster. Plan field power removal before service. Check loop assessment for energy limited nodes. This card is a practical choice for steady process monitoring.

Manager’s Insight

This module lowers spare-part risk because it fits common Series 2 carriers and the KJ1501X1-BC1 supply. The 16-channel layout cuts cost per point. The clear power ratings make budgeting simple. Stock one spare per rack. Train staff on the one-unit removal rule. Use the A2 key position to avoid mismatches. The 12-month warranty and fast dispatch help keep outages short. Contact sales@powergearx.com or +86 18030005825 for lead time and stock checks.

Best Fit Devices and Applications

• Process control cabinets with Series 2 I/O.
• Remote I/O nodes that monitor 4-20 mA transmitters.
• Flow, pressure, level, and temperature loops with 2-wire transmitters.
• Plants with G3 airborne contaminants and wide temperature swings.
• Systems powered by the KJ1501X1-BC1 dual DC/DC supply.

FAQ

• Q: Can I remove the card while system power is on?
  A: Yes, under the stated conditions. Remove only one unit at a time. Use the approved supply and keep input inductance below 23 uH.
• Q: Does this card need calibration?
  A: No. The source data states calibration is not required.
• Q: What terminal block key do I need?
  A: Set the block keys to A2 for this card.
• Q: What field power must I remove before service?
  A: Remove field power at the field terminal or at the carrier bussed field power feed.
• Q: Can I use any DC/DC supply?
  A: Use the KJ1501X1-BC1 on 24 VDC or 12 VDC input, or a certified supply with Ui 12.6 VDC and Lo below 23 uH.
• Q: What is the ambient temperature range?
  A: The card works from -40 to 70 °C.
• Q: How many channels does it have?
  A: It has 16 channels for 4-20 mA input.
• Q: What is the IP rating?
  A: The rating is IP 20.
• Q: Can I remove a terminal block fuse with field power on?
  A: No, not for non-sparking circuits. Remove field power first.
• Q: What is the warranty and dispatch time?
  A: Warranty is 12 months. Dispatch is 12-24 hours by FedEx, UPS, or DHL.
• Q: What should I check before I buy?
  A: Check the terminal block key A2, the Series 2 carrier, the supply model, and the loop assessment status.
• Q: How do I choose a spare card?
  A: Match the model KJ3223X1-BA1 and the A2 key. Confirm the 16-channel 4-20 mA input need. Keep one spare per rack.

Buying Guide

• Confirm your rack uses Series 2 I/O and the A2 terminal block key.
• Check that your supply is the KJ1501X1-BC1 or a certified equivalent within the inductance limit.
• Count your 4-20 mA loops. Choose this 16-channel card when point density is high.
• Review ambient temperature, humidity, and airborne contaminant class for your room.
• Plan field power removal steps for maintenance.
• Order spares for critical racks. Ask sales@powergearx.com or +86 18030005825 about stock and dispatch.

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