Acrel ASD Switch Cabinet Integrated Measuring and Control Device Installation Manual

About this manual

The ASD series from Acrel provides integrated measuring and control functions for 3‑35 kV indoor switch cabinets, including primary circuit analog charts, HV live display, temperature/humidity control, wireless temperature sensing, voice prompts, and RS‑485 communication.

This manual covers product overview, model options, technical specifications, installation steps, wiring diagrams, operation instructions, communication protocol details, and troubleshooting of common faults. This manual is written in Chinese.

What's inside

• Product Overview
• Model Description
• Technical Specifications
• Product Installation
• Wiring Method
• Operation Guide
• Communication Guide
• Troubleshooting

Specifications

Frequently asked questions

What communication protocol does the ASD device use?

The device uses the MODBUS‑RTU protocol.

What is the temperature measurement range of the wireless sensor?

The sensor measures from –50 °C to +125 °C.

What power supply voltages are supported?

The device can be powered from AC 85‑265 V or DC 100‑300 V.

What is the rated input current for the ASD series?

The rated input current is 5 A.