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Rockwell Automation 1790-TXXXX Digital Expansion Terminal Block Compact Block LDX I/O  User Manual

Page 15

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Publication 1790-IN005B-EN-P - April 2003

1

Refer to publication 1770-4.1, Programmable Controller Wiring and Grounding Guidelines.

2

See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates, and other

certification details.

DeviceNet Specifications

Network protocol

I/O Slave messaging:
- Poll command
- Bit Strobe command
- Cyclic command
- COS command

Network length

500 meters maximum @ 125Kbps
100 meters maximum @ 500Kbps

Indicators

1 red/green module status
1 red/green network status

Number of nodes

64 maximum - rotary switch type node address setting

Communication rate 125Kbps, 250Kbps, 500Kbps - auto baud rate selection

Isolation

Type test 1250Vac rms for 60 seconds between field power and
DeviceNet (I/O to logic)

Wiring

Refer to publication DN-6.7.2

General Specifications

Wiring Category

2

1

Product
Certifications
(when product is
marked)

c-UL-us

UL Listed for Class I, Division 2 Group A,B,C,D Hazardous

Locations, certified for U.S. and Canada

CE

2

European Union 89/336/EEC EMC Directive, compliant

with:

EN 50082-2; Industrial Immunity
EN 61000-6-4; Industrial Emissions
EN61326; Meas./Control/Lab., Industrial Requirements
EN 61000-6-2; Industrial Immunity

C-Tick

2

Australian Radiocommunications Act, compliant with:
AS/NZS CISPR11; Industrial Emissions

ODVA

ODVA conformance tested to DeviceNet specifications