Deskripsi
Main Control Board
Limitorque Main Control Board 64‑825‑0146‑4, a critical spare part used in Flowserve Limitorque MX Series electric actuators.
- Type: Main Control Board / CPU PCB
- Model: MX Series actuator control board
- Part Number: 64‑825‑0146‑4
- System Compatibility: Limitorque MX‑05, MX‑10, MX‑15, MX‑20 actuators (MXA/MXB generations depending on revision)
- Brand : Limitorque
Product Overview:
The 64‑825‑0146‑4 main control board is the central processor PCB for Limitorque MX actuators. It manages motor control, torque/limit switch inputs, position feedback, relay outputs, and communication with external systems. It is the “brain” of the actuator, enabling non‑intrusive setup, diagnostics, and continuous monitoring.
Specifications (typical for MX main boards):
| Feature | Specification |
|---|---|
| Function | Main CPU/control board for actuator |
| Inputs | Torque sensor, position encoder, limit switches |
| Outputs | Relay contacts, LCD display, communication ports |
| Communication | RS‑485, Modbus, Profibus, Foundation Fieldbus (via option cards) |
| Power Supply | 24 VDC logic supply (from actuator PSU) |
| Protection | Conformal coating, surge suppression, watchdog reset |
| Operating Temp | −40 °C to +70 °C |
| Compliance | NEMA 4/6, IP68 (when installed in actuator housing) |
Dimensions & Weight:
- Size: ~200 × 120 × 25 mm
- Weight: ~300–500 g
Applications:
- Installed in Limitorque MX actuators (MX‑05, MX‑10, MX‑15, MX‑20)
- Provides main control and processing for:
- Valve open/close control
- Torque and limit protection
- Local/remote operation
- Communication with DCS/PLC systems
- Used in:
- Power generation
- Oil & gas pipelines
- Water treatment plants
- Chemical and petrochemical automation
- Marine and HVAC systems
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