This manual provides specifications, installation, wiring, register/relay details, Modbus TCP communication standards, software settings and application…
The Delta RTU-EN01 is an Ethernet‑based remote I/O module that supports Modbus TCP communication, up to 256 digital I/O points and up to 16 digital I/O modules plus 8 analog modules. It can act as a Modbus TCP gateway and offers web‑based configuration.
The operating manual covers safety precautions, product dimensions, indicator LEDs, connector pinouts, installation on DIN rails, network wiring, register tables, communication settings, and several application examples using Delta DCISoft software. This manual is written in Chinese.
| Network interface | RJ-45 with Auto MDI/MDIX |
|---|---|
| Network speed | 10/100 Mbps Auto‑Detection |
| Serial port COM1 (RS‑232) | 19,200 bps |
| Serial port COM2 (RS‑485) | Up to 115,200 bps, 1,200 m distance |
| Power supply | 24 VDC (‑15 % ~ +20 %) |
| Power fuse | 1.85 A / 30 VDC |
| Power consumption | 2 W |
| Weight | 116 g |
| Maximum digital I/O points | 256 |
| Supported digital I/O modules | Up to 16 modules (max 256 points) |
| Modbus TCP connections | Up to 16 connections, Master mode up to 32 devices |
The RTU-EN01 supports up to 256 digital input/output points.
A Category 5e Ethernet cable can be used up to 100 meters.
The module requires a 24 VDC power supply with a tolerance of –15 % to +20 %.
Yes, it can function as a Modbus TCP gateway converting commands to Modbus ASCII/RTU.