Specifications – Rockwell Automation 1751 SynchLink Base Block Installation Instructions User Manual
Page 14

14 SynchLink Base Block
Publication 1751-IN001A-EN-P - March 2001
Specifications
Power Supply
To comply with CE Low Voltage directives, you must use a
Safety Extra Low Voltage (SELV) or a Protected Extra Low
Voltage (PELV) power supply to power this base block.
Use a NEC/CEC Class 2 power supply in order to comply with
UL and CSA requirements.
Input Voltage Rating
0.6A @ 24V dc nominal
Output Voltage Rating
1.2A @ 5.1V dc nominal
Input Voltage Range
20V dc to 30V dc
A regulated power supply is recommended.
Communication Rate
5M bit/s
Power Consumption
600mA maximum for external 24V supply based on worst case
block loading (four splitters)
Terminal Block Torque Requirements
5-7 in-lb. maximum
Environmental Conditions
(1)
Operating Temperature
0ºC - 60ºC
Storage Temperature
-40ºC - 85ºC
Relative Humidity
5 to 95%, 0ºC - 60ºC non-condensing
Shock
Operating
30g peak acceleration, 11 (
±
1)ms pulse width
Non-operating
50g peak acceleration, 11 (
±
1)ms pulse width
Vibration
Tested 5 g @ 10 - 500Hz per IEC 68-2-6
Fiber Optic Cable
Fiber Type
200/230 micron HCS (Hard Clad Silica)
Fiber Termination Type
Versalink V-System
Assemblies
Cable assemblies can be ordered from Allen-Bradley, catalog
number 1403-CFxxx (xxx = length in meters); or from Lucent
Technologies, Specialty Fiber Technologies division.
Maximum Length
300 meters
Minimum Length
1 meter
Power Conductors
Wire Size
12 gauge maximum, 24 gauge minimum (#12 AWG to 24
AWG), stranded
Category
2
(2)
Maximum Length
3 meters