The Emerson KJ3201X1-BA3 is a Series 2 Digital Input (DI) module specifically engineered for the DeltaV SIS (Safety Instrumented System). This high-integrity component facilitates the monitoring of discrete field devices, such as limit switches and pushbuttons, via 24VDC dry contact circuits. By isolating and conditioning binary signals before they reach the control logic, the module ensures that the Distributed Control System (DCS) receives accurate, noise-free status updates from the plant floor.
Technical Specifications
| Parameter | Specification |
| Manufacturer | Emerson Automation Solutions |
| Model Number | KJ3201X1-BA3 |
| Product Type | Digital Input (DI) Card – Series 2 |
| Signal Type | 24VDC Dry Contact |
| Field Power | 24VDC at 100mA |
| Local Bus Power | 12VDC at 150mA |
| Operating Temperature | -40°C to +70°C |
| Relative Humidity | 5% to 95% (Non-condensing) |
| Corrosion Protection | ISA-S71.04 G3 Harsh |
| Dimensions | 4.3 x 12.5 x 18.5 cm |
Key Industrial Applications
- Emergency Shutdown (ESD): Interfacing with critical safety trip switches.
- Oil & Gas Production: Remote monitoring of valve positions in hazardous zones.
- Power Generation: Status feedback for motor control centers and circuit breakers.
- Chemical Refining: Monitoring of process interlocks and operator consoles.
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