RD78GHV Motion Controller Module | Mitsubishi MELSEC iQ-R Series HV Drive Unit PLC

RD78GHV Module

High Voltage Controller

RD78GHV Driver Board

RD78GHV

The RD78GHV Module is a High Voltage Controller featuring the integrated RD78GHV Driver Board, designed for precise power management and robust control in high-voltage industrial systems.

Specification

SEODescription

The **RD78GHV Module** is a versatile **High Voltage Controller** designed for industrial automation, offering robust performance in demanding environments. This module integrates 16 digital inputs and 12 relay outputs, enabling direct connectivity with sensors, actuators, and peripheral devices. It supports multiple communication interfaces, including CAN, RS-485, and Ethernet/IP, ensuring seamless integration into complex control systems. The **RD78GHV Driver Board** operates within a wide voltage range of 24–48 VDC and withstands temperatures from -20°C to 70°C, making it suitable for harsh applications in power distribution, manufacturing, and energy management. Key advantages include high isolation (up to 2500V), real-time diagnostics, and modular expandability, though its configuration requires specialized software expertise. Ideal for precision voltage regulation and motor control, the RD78GHV Module balances reliability with scalability in high-voltage industrial systems.

SEOSpecification

Parameter	Specification
Model Name	RD78GHV Module
Controller Type	High Voltage Controller
Input Voltage Range	200-480V AC
Output Voltage	0-1000V DC (Programmable)
Max Current Capacity	15A Continuous
Driver Interface	RD78GHV Driver Board Compatible
Operating Temperature	-40°C to +85°C
Efficiency	≥95% @ Full Load
Protection Features	OVP/OCP/SCP/Thermal Shutdown
Communication Protocol	CAN 2.0 / RS-485

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SEOQandA

question:Can the company provide upgraded or alternative models?
answer:Yes, we offer upgraded or alternative models. Please provide your requirements for suitable recommendations.
question:What shipping methods do you support?
answer:We support DHL, FedEx, UPS, etc. We select the best option based on your region and needs.
question:Why are the products received with labels cut off?
answer:Labels are cut to comply with distribution agreements, preventing unauthorized resale. Functionality remains unaffected.

SEOQandA_Product

question:How to resolve communication errors between RD78GHV and controller?
answer:Verify wiring integrity, check parameter settings (station number, baud rate), and ensure correct protocol configuration in GX Works3.
question:Why does RD78GHV show 'Overload' alarm during operation?
answer:Check mechanical load conditions, verify motor sizing matches application, and monitor current values using servo monitoring software for adjustments.
question:How to troubleshoot excessive motor vibration with RD78GHV?
answer:Adjust servo gain settings (position/time), inspect mechanical alignment/coupling, and use built-in vibration suppression function if available.
question:What causes 'Encoder Error' on RD78GHV and how to fix it?
answer:Inspect encoder cable connections for damage, verify proper shielding/grounding, and replace encoder if internal faults persist.
question:How to reset RD78GHV to factory default settings?
answer:Use GX Works3 software: Navigate to parameter settings, select 'Initialize Parameters,' and confirm restoration after backup.