EMERSON SLS1508 K2201X1-BA1
EMERSON SLS1508 KJ2201X1-BA1 Overview
The EMERSON SLS1508 KJ2201X1-BA1 is a Smart Logic Solver within Emerson’s DeltaV Safety Instrumented System (SIS) series. It is widely used in process industries for safety control and logical computation tasks.

Main Functions
- Logic Operations:
Supports discrete inputs/outputs, analog inputs (HART), and HART bistable outputs, enabling state detection, pulse counting, ON/OFF judgment, and other logic functions.
- Redundant Design:
Operates in either redundant or non-redundant configurations, featuring self-diagnostic capabilities to enhance system reliability.
- Communications:
Compatible with SISnet local/remote peer-to-peer buses, and supports multiple industrial networks such as Ethernet, Modbus, and Fieldbus H1.
Technical Specifications (Typical Values)
| Item |
Parameter |
| Power Supply |
24 V DC, 1 A input current |
| Operating Temperature |
–40 °C ~ +70 °C |
| Relative Humidity |
5 % ~ 95 % (non-condensing) |
| Protection Class |
IP20 |
| Dimensions |
Approx. 243.8 mm × 243.8 mm × 73.7 mm (DIN-rail mounted) |
| Weight |
Approx. 0.9 kg |
| I/O Channels |
16 channels (configurable for discrete, analog, or HART signals) |
| Processor |
Dedicated safety processor, ~1 GHz clock, 128 MB memory |
Typical Applications
- Safety Instrumented Systems (SIS):
Compliant with IEC 61508 SIL 3 safety standards, providing protection for critical processes.
- Process Control:
Performs fast logic evaluation and fault isolation in industries such as chemical, petrochemical, oil & gas, and power generation.
- Field Device Integration:
Connects field sensors and actuators to the DeltaV controller via 12-pin terminal modules.
Conclusion
The EMERSON SLS1508 KJ2201X1-BA1 is a high-reliability smart logic solver featuring flexible I/O configuration, redundant fault tolerance, and multi-protocol communication support—ideal for industrial process control systems that demand stringent safety standards.

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Emerson Main Series
| Monitoring board: |
Westinghouse Card: |
Delvta: |
EPRO sensor probe: |
| EMERSON A6140 |
1C31129G03 1C31132G01 |
CE400/ SE400/series |
PR6423/PR6424 |
| EMERSON A6210 |
1C31166G02 1C31169G02 |
CE3007,CE3008,SE3007, |
PR6426/PR9268 |
| EMERSON A6220 |
1C31219G01 1C31223G01 |
SE3008,VE3007,VE3008, |
PR9376/ Sensor probe |
| EMERSON A6410 |
1C31234G01 1C31238H01 |
VE3005,VE3006,VE4006 |
Proximitor |
| EMERSON A6312 |
5X00119G01 A6140 |
KJ320/KJ322/KJ3223/ |
CON021/CON041 |

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