pDRIVE ecoMX 4V, proMX 4V, proMX 6V, multi-ecoMX, multi-proMX Frequency Inverter Modbus Operating Instructions

About this manual

This manual provides safety guidelines, capacitor discharge procedures and commissioning requirements for the pDRIVE frequency inverter series. It stresses that only qualified personnel should perform work on the device and that capacitors must be fully discharged before any intervention.

The document details the Modbus RTU implementation, RJ45 connection, network topology, address configuration and diagnostic functions. It also lists parameterization options, process data areas and troubleshooting trip messages for the various inverter models.

What's inside

• Function Modbus
• Hardware
• Process data area
• Control word
• Main reference value
• Status word
• Parameterization
• Inverter settings
• Bus - Diagnostics
• Application examples

Specifications

Frequently asked questions

What must be done before working on the inverter?

Disconnect the device from the mains and wait at least 15 minutes until the capacitors are fully discharged.

How many subscribers can be connected to a single Modbus segment?

A maximum of 32 subscribers, including repeaters, can be connected to one segment.

Which Modbus protocol is supported by the pDRIVE MX eco devices?

The devices support the Modbus RTU protocol.

What external voltage is required for operation during a mains cut‑off?

An external 24 V buffer voltage is required.