SA022 Signal Interface Module Unit

Feature & Principle

It receives dry contact and level signals from field devices, isolates and converts signals for backplane communication. Relay outputs can drive on-site indicators and small loads, with internal surge suppression to reduce electromagnetic interference.

Specifications

Model: SA022 Power supply: DC24V Signal type: DI / DO Mounting: Rack plug-in Isolation: Optical isolation Certification: CE

Components & Diagnostics

Signal isolation circuit, relay chip, backplane connector, status LED, terminal block. Common faults: channel no response, relay failure, communication loss, power input abnormal.

Product Brief

SA022 interface module, automation spare widely used for substation, water treatment and factory control cabinet signal acquisition.