EMERSON KJ3204X1-BA1 12P3275X032_ 32‑Channel 24VDC High‑Side Discrete Output Module

Description

Hardware & Electrical Specifications

‑ Manufacturer: Emerson (Fisher‑Rosemount) ‑ Compatible System: DeltaV Series 2 DCS control system ‑ Functional Type: 32‑Channel High‑Side Discrete Output Module ‑ Field Output: 24 VDC high‑side, max 100 mA per channel ‑ Field Power Input: 24 VDC, max 3.2 A for whole card ‑ Local Backplane Power: 12 VDC @150 mA from DeltaV carrier ‑ Protection: Per‑channel short‑circuit, over‑current, thermal fold‑back protection ‑ Diagnostics: Individual channel fault detection for open‑load, short‑circuit and over‑current ‑ Indicators: Front‑panel power LED, module fault LED and channel status LED array ‑ Connectors: DeltaV proprietary backplane connector, mates with KJ4001X1‑CK1 terminal block assembly ‑ PCB Finish: Conformal coated, ISA‑S71.04 G3 environment grade ‑ Certifications: ATEX II 3G Ex nA IIC Gc, IECEx, FM approval for hazardous area installation ‑ Hot‑swap: Hot‑swappable under live operating conditions

Environmental Specifications

‑ Operating Temperature: ‑40 °C ~ +70 °C, output derating above 60 °C ‑ Storage Temperature: ‑40 °C ~ +85 °C ‑ Relative Humidity: 5%‑95 % non‑condensing ‑ Vibration: 0.7 g (13.2‑150 Hz); Shock: 10 g, 11 ms half‑sine ‑ Ingress Protection: IP20 for module housing ‑ EMC: Designed for power‑plant and petrochemical cabinet EMI and transient conditions

Mechanical Data

‑ Mounting: Plug‑in onto DeltaV Series 2 carrier baseplate ‑ Weight: approx 320 g

Core Functions

1. High‑density discrete control: 32 independent 24 VDC high‑side outputs to control field solenoids, relay coils and actuator devices.
2. Per‑channel fault isolation: Short‑circuit on single channel does not affect operation of remaining output channels.
3. Advanced channel diagnostics: Reports open‑load, short‑circuit and over‑current status back to DeltaV controller and HMI.
4. Hot‑swap maintenance: Module replacement without controller shutdown or cabinet power‑down, minimizing process downtime.
5. **Hazardous‑area capability: Certified for Zone 2 / Class I Div 2 explosive atmosphere field‑control cabinet deployment.

Installation, Replacement & Critical Warnings

1. Hot‑swap is permitted for this module; however, verify field 24 VDC load power status before servicing terminal wiring.
2. Use matching KJ4001X1‑CK1 terminal block assembly; incompatible baseplate or terminal block will cause communication failure or channel damage.
3. Torque field wiring terminals to manufacturer‑specified torque value; loose connections cause intermittent output dropout and overheating.
4. After insertion, confirm power LED illumination; verify channel status and fault reporting function via DeltaV operator workstation.

5. Common failure mode: Field‑wiring surge and short‑circuit events damage individual output channels. Investigate field‑side short‑circuit conditions when channel fault alarms trigger.