Digital PLC Hydraulic Control Unit (HCU)
Ideal implementation: GMP manufacturing where repeatability, electronic records, and integration with plant systems are priorities.
Overview
A PLC-driven control unit for precise, recipe-based column operations. The Digital HCU offers closed-loop pressure control. Operators select a method, press start, and monitor progress on the touchscreen.
Key benefits
- Closed-loop control for stable pressure and ramp profiles
- Method recipes with step timing and setpoints for repeatability
- On-screen trends with alarms and event history
Standard features
- 7–10 inch touchscreen HMI with guided workflows
- Industrial PLC with PID pressure control
- Digital pressure transducer with high-resolution sampling
- Configurable pressure ramps, holds, and relief sequences
- User roles with password control and audit trail
- Electronic interlocks for over-pressure and emergency stop
Performance snapshot
- Typical operating range: 0 to 3 bar line pressure
- Control resolution: ≤ 0.01 bar at the transducer
- Programmable ramps: dwell steps with second-level timing
- Media: approved hydraulic fluids for cleanroom use
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