Emerson KJ3212X1-BK1 Pulse Count Input Card

Description

This KJ3212X1-BK1 module captures and processes pulse signals from field devices such as flow transmitters or encoders. It’s engineered for Zone 2 and Class I Div. 2 hazardous areas and integrates seamlessly into DeltaV systems for real-time control and monitoring.

Specifications

• Model: KJ3212X1-BK1

• Input Type: Pulse count (frequency input)

• Channels: Typically 8 (confirmable via system configuration)

• Local Bus Power: 12 VDC @ 150 mA

• Field Circuit Power: 24 VDC @ 25 mA per channel

• Operating Temperature: –40°C to +70°C

• Humidity: 5% to 95% non-condensing

• Shock Resistance: 10 g (½ sine wave, 11 ms)

• Vibration:

  • 1 mm peak-to-peak (2–13.2 Hz)

  • 0.7 g (13.2–150 Hz)

• Airborne Contaminants: ISA-S71.04 Class G3

• Terminal Block Key Position: C6

• Certifications:

  • ATEX: II 3G Ex ec IIC Gc

  • IECEx, FM, FM UKEX

  • Class I Div. 2 Groups A, B, C, D

• Installation Note: Cannot be inserted or removed under power in hazardous areas

• Calibration: Not required

Key Features

• Pulse counting capability for flow and speed measurement

• Hazardous area certified for global deployment

• Rotary keying system ensures correct terminal block pairing

• No calibration required, reducing maintenance effort

• Hot-swappable (in non-hazardous areas) for easy replacement

• Robust environmental tolerance for harsh industrial settings