Description
METSO A415596 Metso Valve Controller I/O Board
Technical Specifications
- Product Model: A415596
- Brand: Metso (Valmet)
- Warranty: One Year
- Input Voltage: 24 V DC auxiliary power, operating range 18‑30 V DC
- Operating Temperature: ‑20 °C ~ +60 °C; 5‑95 %RH non‑condensing
- Storage Temperature: ‑40 °C ~ +85 °C
- Response Time: Control loop update ≤ 10 ms
- Protection Class: IP20, rack‑mount PCB, conformal coated
- Accuracy Class: Analog channel accuracy ±0.15 % FS
- Output Frequency: 4‑20 mA analog loop signal processing
- Rated Current Range: Board power consumption max 280 mA; 4‑20 mA loop short‑circuit protected
- Communication Interface: Backplane bus for Metso/Valmet valve control system; terminal block field connections; diagnostic LED indicators
- Supported Protocols: Metso proprietary back‑plane protocol; works with Neles valve controller hardware
- Overload Capacity: Surge, over‑voltage, reverse‑polarity and loop short‑circuit protection; channel‑wise fault isolation
- Dimensions: 165 mm × 102 mm × 32 mm; weight approx. 0.31 kg
Product Overview
Metso A415596 is a dedicated I/O interface board for Metso Neles valve‑controller systems. It acquires position feedback, 4‑20 mA set‑point signals and digital interlock status from field control valves, and outputs drive commands to valve actuators. Process and diagnostic data are exchanged with main controller via system backplane bus. Conformal‑coated PCB adapts to power‑plant, pulp‑and‑paper harsh cabinet environments. It solves typical field‑device pain‑points: precise valve position signal acquisition, loop short‑circuit damage risk, noisy field signal interference, and fast on‑site fault diagnosis. Automation engineers, commissioning technicians and plant‑maintenance teams benefit from this unit. It is widely used for spare‑part replacement for existing Metso valve‑control racks in pulp & paper, power and chemical industries.
Application Scenarios
- Pulp & Paper Mill Valve‑Control Cabinets: Interfaces with Neles control valves, processes valve position feedback and 4‑20 mA control signals for pulp‑making and paper‑production loops.
- Power‑Plant Auxiliary‑Process Control: Used for feed‑water, steam and flue‑gas control‑valve signal processing inside DCS cabinet.
- Chemical‑Plant Process‑Valve Monitoring & Control: Handles analog set‑point and position feedback for modulating control valves in chemical production lines.
- Oil‑and‑Gas Process‑Skid Control Systems: Deployed inside process skid cabinets for modulating valve closed‑loop control.
- Legacy Metso System Retrofit & Spare‑Part Replacement: Direct‑fit spare part for existing A415596 hardware. Back‑plane interface, terminal pin‑out and mechanical dimension compatibility minimizes cabinet modification and shortens plant downtime during board swap‑out.
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