7 speed reference control – Rockwell Automation SP600 User Manual Version 3.0 User Manual

Page 82

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7-10

SP600 AC Drive User Manual

7.7

Speed Reference Control

The following sections describe methods of obtaining the drive
speed reference.

7.7.1 Auto Reference Sources

The drive speed reference can be obtained from a number of
different sources. The source is determined by drive programming
and the condition of the Speed Select Digital Inputs or reference
select bits of a drive command word.

The default source for a speed reference is the selection
programmed in Speed Ref A Sel (parameter 90). If Speed Select
digital inputs are defined on the terminal block, the drive could use
other parameters as the speed reference source.

7.7.2 Manual Reference Sources

The manual reference source can be provided by:

the terminal block

an OIM connected to the local port

remote OIM (port 2 or 3)

the network port

Manual reference overrides any auto reference selected. By
configuring the LCD OIM’s function keys, an LCD OIM can provide a
reference from preset speeds 1-7 or from DPI reference ports.

For a terminal block to select a manual source (TB Man Ref Sel
(096)), one of its six digital inputs must be configured as “AUTO/
MAN” and must be closed. (See figure 7.4)

See parameters Manual Mask (P286) and Manual Owner (P298)
also.

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