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1550 MBS ♦ Modbus Protocol Interface
Appendix D: Cable Requirements
1550 Communications Interface for 1336 Adjustable Frequency AC Drive
Important: The length of cable used between any two devices must not
exceed 10 meters (33 feet).
For example: A + B1 +C < 10 meters
A + B2 +C < 10 meters
B1 + B2 < 10 meters
1336 PLUS (7.5-500HP) and 1336 FORCE
Refer to the product manual for correction information. On larger horsepower
1336 PLUS and FORCE drives with an open Communications Module mounted
in the drive, no separate SCANport cable connection is required.
SMP 3
An Allen Bradley SCANport cable is used to make the connection between the
Communications Module and an SMP3.
Page 36 of 45
ProSoft Technology, Inc.
February 16, 2005