Emerson 15A0026H11 Ovation Safety Function Module

Technical Specifications

Model：15A0026H11

Brand：Emerson

Product Type：Safety Function Module

Applicable System：Emerson Ovation DCS distributed control system, thermal power plant boiler and turbine SIS safety interlock cabinet

Supply Voltage：24VDC

Interface：Ovation rack backplane connector, safety signal input‑output terminal port, maintenance debugging interface

Common Revision：Multiple hardware revisions available

Status Indicator：On‑board LED for power, run status, safety‑channel status, channel error, fault and system diagnostic indication

Built‑in Function：Safety‑interlock logic processing, safety‑signal acquisition and output, enhanced multi‑layer channel fault self‑diagnosis, optimized safety‑signal voting algorithm, hot‑swap support, safety‑loop real‑time monitoring, fault‑event storage, signal anti‑interference filtering, multi‑grade safety‑abnormality alarm, hardware‑watchdog monitoring

Working Temperature：0℃ ~ +60℃

Storage Temperature：‑20℃ ~ +70℃

Protection Class：IP20

Mounting：Ovation standard rack slot‑in installation

Weight：0.43kg

Product Brief:

15A0026H11 is the follow‑up hardware‑revision safety function module of Emerson Ovation SIS safety‑I/O series, iterated on the basis of 15A0026H10. It completes safety‑signal collection, logic voting and interlock output for critical equipment such as boilers and turbines in thermal power plants. It optimizes hardware circuit stability, enhances watchdog monitoring mechanism, improves fault‑event record storage reliability, adapts to harsh on‑site electromagnetic environment. The module monitors safety‑loop status in real‑time and executes fast protective interlock under abnormal conditions. It supports hot‑swap for online replacement without cutting off system power supply. Multi‑group LED indicators clearly display power‑on, operation, safety‑channel and fault information for convenient on‑site inspection and rapid fault location. This is EOL discontinued spare part,widely used for maintenance and renovation of thermal power plant Ovation DCS system. Please confirm hardware revision and controller firmware version before purchase. Strict ESD anti‑static protection shall be followed during installation and replacement