This document describes the features and characteristics of the H2U-3232MRAX product, including analog module, I/O module, communication interface, and expansion module.
About this manual
This manual provides an overview of the H2U series PLC from Inovance, describing its main features such as large program memory, high‑speed multi‑channel I/O, and built‑in communication ports. It also references related programming guides and software.
Detailed sections cover safety precautions, design considerations, installation and wiring guidelines, as well as startup and maintenance procedures. A warranty card and contact information are included at the end of the document.
What's inside
- Preface
- Main Features
- Safety Precautions
- Design Precautions
- Installation Precautions
- Wiring Precautions
- Startup and Maintenance Precautions
- Product Warranty Card
Specifications
| Program memory capacity | up to 24K steps |
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| Maximum number of programs | 128 programs |
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| Sub‑interrupt subroutines | 21 sub‑interrupt subroutines |
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| Power‑supply capability | directly powers sensors, HMI, relays |
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| Communication ports | Two independent ports, MODBUS master & slave |
Frequently asked questions
How many programs can the H2U series PLC support?
The PLC can support up to 128 programs.
What safety symbols are used in the manual?
The manual uses the symbols DANGER, WARNING, and CAUTION to indicate hazard levels.
What communication protocol is built into the PLC?
The PLC includes MODBUS master and slave communication protocols.
What must be done before starting wiring or installation work?
All external power supplies must be turned off before any wiring or installation.