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