This document provides the user manual for DAM-E3000 Data Acquisition Modules, including the main specifications such as the number of channels, input and output types, voltage levels, and isolation voltage. It also introduces the features of the module, such as support for 500Hz counter and pulse output, Ethernet communication, and default or customizable web pages. Additionally, the document briefly explains the basic concept and characteristics of the Modbus communication protocol.
The DAM‑E3021 is an 8‑channel isolated digital input and 8‑channel isolated digital output module designed for industrial automation. It supports 10/100 Mbps Ethernet, MODBUS TCP protocol, and offers configurable web pages for monitoring and control.
The manual describes the terminal layout, wiring diagrams, command codes for reading and writing registers, EEPROM configuration, and file record operations. It also details power requirements, isolation voltage, and watchdog functions for reliable operation. This manual is written in Chinese.
| Digital I/O Channels | 8 DI & 8 DO |
|---|---|
| Isolation Voltage | 3750 V |
| Ethernet Speed | 10/100 Mbps |
| Power Supply | 10 V ~ 30 V DC |
| Power Consumption | 2 W @ 24 V DC |
| Output Voltage / Load | 30 V (200 mA max load) |
| Input Voltage Levels | Dry contact: ground/open; Wet contact: 0 V ~ 1 V (logic 0), 4 V ~ 30 V (logic 1) |
It provides 8 isolated digital inputs and 8 isolated digital outputs.
The isolation voltage is rated at 3750 V.
It requires a DC supply of 10 V to 30 V and consumes about 2 W at 24 V.