1. Introduction

General Specifications

Electrical Specifications

Item

 

 

Specification

 

Supply Voltage

5 V DC (supplied from a controller)

 

Power Consumption

7 W

 

 

 

Ambient Temperature

5-40 deg C

 

 

 

Relative Humidity

20-80%

 

 

 

 

DeviceNet Communication Specifications

 

 

Item

 

 

Specification

 

Supported Connection

- I/O messaging connection

 

 

 

(Polling, Strove, Cyclic, Change of State)

 

 

- Explicit messaging connection

 

 

All connections are conformed to DeviceNet communication

 

protocol.

 

 

 

Baud Rates

125 kbps, 250 kbps, 500 kbps

 

 

Transfer Distance

Baud Rates

 

Max. Network

Drop Length

Total Drop

 

 

Length

Line Length

 

 

 

 

 

500 kbps

 

100 m

6 m or under

39 m or under

 

250 kbps

 

250 m *

6 m or under

78 m or under

 

125 kbps

 

500 m *

6 m or under

156 m or under

 

 

 

 

 

Maximum Nodes

64 (including

master unit)

 

 

Data Length / Frame

8 byte (The data can be divided and transferred.)

Bus Access

CSMA/NBA

 

 

 

Error Detection

CRC error / Duplicate node address check

 

Cable

5-wire cable dedicated to DeviceNet (2 wires for signal,

 

2 wires for power supply, 1 shield wire)

 

Communications

24 V DC (supplied from a connector)

 

Power Supply Voltage

 

 

 

 

 

* When thin cable is used for trunk line, the maximum network length is 100 m.

4

Fieldbus I/O Rev.6

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Epson EM07ZS1647F manual General Specifications, Electrical Specifications, DeviceNet Communication Specifications