The Emerson DeltaV KJ2231X1-EA1 is a Safety Instrumented System (SIS) relay output module designed for high-reliability industrial control environments. This module provides robust digital switching capabilities, allowing the DeltaV system to interface with field devices requiring isolated relay contacts. It is engineered to perform reliably under demanding process conditions, ensuring safety and operational integrity within the DeltaV architecture.
This module is typically deployed in process automation safety loops, emergency shutdown systems (ESD), and critical control applications where electrical isolation and high-current switching are required to manage field actuators or interface with secondary control logic.
| Model Number | KJ2231X1-EA1 |
| Manufacturer | Emerson |
| Input Power | 24 VDC @ 70 mA |
| Relay Contact Rating | 2.5 A @ 30 VDC / 2.5 A @ 250 VAC |
| Operating Temperature | -40 degC to +70 degC |
| Relative Humidity | 5 to 95% (Non-Condensing) |
| Shock Rating | 10g (1/2 Sinewave, 11 ms) |
| Vibration Resistance | 1mm P-P (2-13.2 Hz); 0.7g (13.2-150 Hz) |
| Contaminant Rating | ISA-S71.04-1985 Class G3 |
What is the primary function of the KJ2231X1-EA1?
This is a relay output module used within the Emerson DeltaV SIS for switching field devices that require isolated contact closures.
Is this module suitable for high-temperature environments?
Yes, the module is rated for operation in ambient temperatures ranging from -40 degC to +70 degC.
Does this module require external power?
The module operates on 24 VDC input power as specified in the technical data.
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