Overview
Emerson KJ2231X1-EA1 SIS Relay Module
Configured for safety relay signal switching in Emerson DeltaV SIS platforms, the Emerson KJ2231X1-EA1 (KJ2231X1-EA1 SIS Relay Module) provides direct electrical execution for relay output circuits with 24 VDC input power and isolated contact switching capability.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ2231X1-EA1 |
| Brand | Emerson |
| Product Type | SIS Relay Modules |
| Origin | USA |
| Weight | 0.16 kg |
| Dimensions | 11 x 2.5 x 11 cm (estimated shipping size) |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | 24 VDC at 70 mA |
| Relay Contact Rating | 30 VDC at 2.5 A / 250 VAC at 2.5 A |
| Application Platform | Emerson DeltaV SIS |
| Relay Function | Safety relay output switching |
| Humidity Range | 5 to 95% non-condensing |
| Shock Resistance | 10 g, 1/2 sinewave, 11 msec |
| Vibration Resistance | 1 mm peak to peak from 2 to 13.2 Hz; 0.7 g from 13.2 to 150 Hz |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 |
SIS Relay Contact Switching and Isolation Characteristics
The KJ2231X1-EA1 operates as a relay interface module within Emerson safety instrumented system architectures. It receives a 24 VDC control supply and switches external field circuits through rated relay contacts.
Additionally, the module supports electrical separation between the control-side signal and external relay loads. This configuration limits direct exposure of SIS logic hardware to field-side switching conditions.
The relay output supports contact ratings of 30 VDC at 2.5 A and 250 VAC at 2.5 A. Therefore, engineers can apply the module for discrete safety output circuits requiring controlled contact activation.
Frequently Asked Questions
Q: What input power does the Emerson KJ2231X1-EA1 require?
A: The module requires a 24 VDC supply input with a current consumption of 70 mA.
Q: What relay contact ratings are supported by the KJ2231X1-EA1?
A: The relay contacts support up to 30 VDC at 2.5 A or 250 VAC at 2.5 A.
Q: Can the KJ2231X1-EA1 operate in harsh industrial environments?
A: Yes. The module supports an operating temperature range from -40 deg C to +70 deg C and complies with ISA-S71.04-1985 airborne contaminant Class G3 requirements.
Field Installation Guidelines
- Install the module according to Emerson DeltaV SIS cabinet configuration requirements.
- Verify 24 VDC power polarity before connecting the module supply terminals.
- Separate relay output wiring from low-level analog signal wiring to reduce electrical interference.
- Use appropriate grounding methods for cabinet shielding and field cable termination.
- Confirm relay contact ratings before connecting external loads.
- Maintain proper ventilation and environmental protection inside the control cabinet.
- Inspect terminal connections periodically to ensure stable electrical contact.
Emerson Top Products
| Emerson DeltaV | Epro | Ovation/Westinghouse |
| KJ1501X1-BC3 | 9100-00049-03 | 1C31122G01 |
| KJ3202X1-BA1 | A6110 | 1C31125G03 |
| KJ3222X1-BA1 | A6120 | 1C31232G01 |
| KJ3243X1-BA1 | A6125 | 1C31147G01 |
| KJ3002X1-BG1 | A6140 | 1B30035H01 |
| KJ3002X1-BB1 | A6210 | 1B30023H02 |
| KJ3001X1-BB1 | A6220 | 1B30023H01 |
| KJ3002X1-BC1 | A6312 | 1C31132G01 |
| KJ3002X1-BF1 | A6312/06 | 1C31129G03 |
| KJ3001X1-BJ1 | A6312/08 | 5X00119G01 |
Customers Also Viewed
| Bently Nevada | ABB | Yokogawa | Woodward | Schneider |
| 133835-02 | SPDSM04 | CP451-10 | 5463-785 | 140CPU65150 |
| 135321-01 | SPIEET800 | CP461 | 5437-672 | BMEXBP0400 |
| 135322-01 | SPINIET800 | CP461-50 | 9907-175 | 140CPU67160 |
| 136751-01 | SPNLK01 | CP451-11 | 5466-355 | 170FNT11001 |
| 136751-02 | SPSED01 | CP701 S1 | 5466-257 | 170ADO34000 |
| 184139-10 | SPSEM11 | CP345 S1 | 5466-1049 | 170ADM35010 |
| 82362-01 | SPSET01 | SCP461-11 S1 | 5501-381 | 170ADI34000 |
| 84134-01 | SPTKM01 | CP451-10 S2 | 8200-177 | 140ARI03010 |
| 87900-02 | SPTPS02 | CP401-10 | 8200-205 | BMXCPS4002 |
| 89998-01 | SPTPS13 | NFCP100-S00 | 9907-029 | 140CRP93200 |
Reviews
There are no reviews yet.