Deskripsi
Intelligent Actuator Control Board
• Type: Intelligent actuator control board
• Model: SND‑QDZ
• Brand: Changzhou Power Plant Auxiliary Equipment Factory Co., Ltd.
This is one of their core actuator control PCBs, used in SND‑series intelligent electric actuators.
Product Overview:
The SND‑QDZ is a main control board designed for SND‑series intelligent electric actuators. It handles motor control, position feedback, torque protection, and communication with both local and remote control systems. It’s engineered for heavy‑duty industrial environments such as power plants, petrochemical facilities, and water treatment plants.
Specifications (typical for SND‑series control boards):
| Parameter | Specification |
|---|---|
| Supply Voltage | 24 VDC logic supply (motor power via contactors) |
| Control Inputs | Open, Close, Stop, Remote/Local, Interlock |
| Feedback Inputs | Limit switches, torque switches, position potentiometer or encoder |
| Outputs | Relay outputs for motor forward/reverse, alarm, status |
| Communication | RS‑485 / Modbus RTU (optional) |
| Protection | Over‑torque, over‑travel, phase loss (via auxiliary modules) |
| Operating Temp | −25 °C to +70 °C |
| Humidity | ≤95% RH non‑condensing |
| PCB Material | FR4 industrial grade |
| Mounting | Inside actuator control enclosure |
Dimensions & Weight:
- Dimensions: ~180 mm × 140 mm × 35 mm (PCB only)
- Weight: ~300–400 g
Applications:
- Intelligent electric actuator control
- Power plant valve automation
- Water treatment and pumping stations
- Petrochemical process control
- HVAC and industrial ventilation systems
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