Emerson KJ3204X1-BK1 32 Channel Discrete Output (DO) Card
The Emerson KJ3204X1-BK1 is a 32-channel discrete output (DO) card from the DeltaV SIS (Safety Instrumented System) series, designed for the DeltaV distributed control system (DCS). It delivers 24 VDC high-side switching outputs to drive field devices like solenoid valves, relays, and motor starters, ensuring reliable on/off control in safety-critical process environments. The module supports simplex or redundant configurations, features hot-swappable capability, and provides channel-to-channel isolation for enhanced operational stability.
Function
- Safety-Critical Output Control: Provides 32 independent 24 VDC high-side discrete outputs to actuate safety-related field devices (e.g., emergency shutdown valves, alarm annunciators) in SIS architectures.
- Redundancy & Reliability: Supports simplex or redundant system configurations to eliminate single points of failure; hot-swappable design enables replacement without system shutdown.
- Signal Isolation: Channel-to-channel electrical isolation prevents cross-talk and protects the DCS/SIS from field-side electrical noise or faults.
- Seamless Integration: Communicates via SISnet protocol with DeltaV DCS, enabling real-time data exchange and control logic execution.
Application Fields
- Oil & Gas: ESD (Emergency Shutdown) systems, pipeline valve control, and safety interlock systems.
- Chemical & Petrochemical: Reactor safety interlocks, burner management systems (BMS), and toxic gas mitigation control.
- Power Generation: Boiler safety systems, turbine interlocks, and auxiliary equipment on/off control.
- Pharmaceutical: Process safety interlocks for sterile manufacturing lines and utility system control.
- Water & Wastewater: Safety shutdown of pumps, valves, and chemical dosing systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | KJ3204X1-BK1 |
| Product Type | Discrete Output (DO) Card |
| Number of Channels | 32 |
| Output Type | 24 VDC High-Side |
| Communication Protocol | SISnet |
| System Configuration | Simplex / Redundant |
| Local Bus Power | 12 VDC @ 150 mA |
| Field Bus Power | 24 VDC @ 3.2 A per card |
| Per-Channel Field Power | 24 VDC @ 100 mA |
| Operating Temperature | -40°C to +70°C |
| Vibration Resistance | 1 mm p-p (2–13.2 Hz); 0.7 g (13.2–150 Hz) |
| Shock Resistance | 10 g, ½ sinewave, 11 ms duration |
| Humidity | 5%–95% RH, non-condensing |
| Contamination Rating | ISA-S71.04-1985 Class G3 |
| Weight | Approx. 1.0 kg |
| Country of Origin | USA |
Recommended Similar Series Products (3–5 Units)
All below are Emerson DeltaV SIS/S-series I/O cards, compatible with the same system architecture as KJ3204X1-BK1:
-
KJ3204X1-BA1
- Type: 32-channel discrete output card (standard version, non-high-side).
- Use Case: General-purpose 24 VDC output applications without high-side switching requirements.
KJ3203X1-BA1
- Type: 16-channel discrete input (DI) card.
- Use Case: Monitors 24 VDC discrete signals from field sensors (e.g., limit switches, pressure switches) for SIS/DCS.
KJ3221X1-BA1
- Type: 8-channel analog output (AO) card, 4–20 mA with HART communication.
- Use Case: Provides precise analog control signals to control valves, actuators, and variable-speed drives in process control loops.
KJ3222X1-BK1
- Type: 8-channel analog input (AI) card, 4–20 mA HART-enabled.
- Use Case: Receives analog signals from transmitters (pressure, temperature, flow) for real-time process monitoring in SIS/DCS.
KJ3202X1-BA1
- Type: 16-channel discrete output (DO) card, high-side 24 VDC.
- Use Case: Compact 16-channel alternative for smaller SIS applications requiring high-side discrete outputs.
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