Delta Electronics RTU-DNET manual Introduction, Can

DeviceNet Remote I/O Communication Module RTU-DNET

1Introduction

1.To ensure correct installation and operation of RTU-DNET, please read this chapter carefully before using your RTU-DNET.

2.This chapter only provides introductory information on RTU-DNET. For more detailed information on DeviceNet protocol, please refer to relevant references or literatures.

3.RTU-DNET is a remote I/O communication module applicable to the connection between DeviceNet and DVP Slim DIDO module and special modules. RTU-DNET offers functions such as status diagnosis, error treatment and so on.

1.1Features

z Supports Group 2 only servers.

z Supports explicit connection via predefined Master/Slave connection set. z Supports polling

z Supports EDS file configuration in DeviceNet network configuration tools. z Max. 256 digital I/O points extendable.

z Max. 8 special modules extendable.

1.2Functions

Item

Graphic configuration interface

Data retention

Auto extension module identification

Diagnosis

Status inquiry

Error inquiry

Error treatment

Flexible configuration

Explanation

RTU-DNET supports graphic configuration interface in DeviceNet network configuration tools.

The user can choose either to retain or give up the data in the register when RTU-DNET is offline.

The user can automatically identify the special module or the enumber of points on the DVP Slim DI/DO extension unit connected to RTU-DNET through DeviceNet network configuration tool.

RTU-DNET is able to diagnose the status of the special module connected to it. When an error occurs, The ALARM LED on RTU-DNET will flash in red.

RTU-DNET is able to inquire the connection status between itself and the extension module in DeviceNet network configuration tool.

The user can read the error through DeviceNet network configuration tool.

The user can choose a method to correct the error through DeviceNet network configuration tool.

The user can configure the control register (CR) in the special module in any way as the I/O mapping data for DeviceNet.

1.3 Specifications

„DeviceNet connection

Transmission method

Electrical isolation

Interface

Transmission cable

„Communication Message type

CAN

500 VDC

Removable connector (5.08mm)

2-wire twister shielded cable with 2-wire bus power and drain

I/O polling, explicit

DVP-PLC Application Manual 3