Technical Specifications Signal: Relay isolated discrete signal channels Connection: Mark‑VI dedicated backplane bus Operating Temperature:‑30℃ ~ +70℃ Form: Mark‑VI rack plug‑in module
Functional Features Electrical isolation between field side and control system Relay‑based switch‑value signal transmission Over‑current protection for each signal channel
Application Scenarios Mark‑VI turbine discrete signal control cabinet Field on‑off signal isolation access unit
Performance Parameters Stable relay switching cycle performance Effective high‑voltage isolation protection capability
Structural Characteristics Mark‑VI rack plug‑in PCB assembly Front‑side field signal terminal blocks Front‑panel channel status LED indicators Backplane golden‑finger interface
Working Principle Field discrete switch signals pass through on‑board relay isolation circuits, then transmit signal status data to the main controller via backplane bus. Control commands from CPU drive relays to output switch signals to field devices.
Installation Requirements Tighten all field wiring terminal screws with standard torque. Separate signal cables from high‑voltage power cables. Follow ESD anti‑static operation specifications.
Usage Notes Do not surpass rated contact load of on‑board relays. Check relay channel status during routine maintenance.
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