Products Description
Emerson 1172C09H01 Digital Input Module

Technical Specifications
Model:1172C09H01
Brand:Emerson
Product Type:Digital Input Module
Applicable System:Emerson industrial distributed control system
Supply Voltage:24VDC auxiliary DC power input
Interface:Backplane bus connector, field dry‑contact signal terminal interface
Common Revision:Multiple hardware revisions available
Status Indicator:On‑board LED for power supply, channel status and fault diagnostic status
Built‑in Function:Field dry‑contact signal acquisition, signal filtering and conditioning, channel signal upload to main controller, fault self‑diagnosis and status feedback, supports hot‑swap under specified system conditions
Working Temperature:0℃ ~ +60℃
Storage Temperature:‑20℃ ~ +70℃
Protection Class:IP20
Mounting:Card cage slot‑in installation
Weight:0.60kg

Product Brief:
1172C09H01 is legacy digital input module manufactured by Emerson. It is a field‑replaceable signal acquisition component for industrial distributed control system, responsible for collecting on‑site dry‑contact switch signals. After internal filtering and conditioning, valid channel data is uploaded to the main controller through system backplane bus. On‑board LED provides visual diagnosis for power, channel working and fault state. This is EOL discontinued spare part,widely used for maintenance and renovation of legacy Emerson control equipment. Please confirm hardware revision, backplane matching and firmware version before purchase. Strict ESD anti‑static protection shall be performed during installation。