Speed reference select – Rockwell Automation 20D PowerFlex 700S with Phase I Control Reference Manual User Manual
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Rockwell Automation Publication PFLEX-RM002D-EN-E - August 2013
Chapter 1
Detail Drive Configuration and Operation
speed reference and the scale would then affect the value sent to the reference
select block.
Parameters 14 [Speed Ref 4], 15 [Speed Ref 5], and 20 [Speed Ref DPI] are in
display units of RPM and do not have their own scaling blocks.
Speed Reference Select
Parameter 16 [Speed Ref Sel] selects which one of the seven input signals is
acknowledged as the reference. [Speed Ref Sel] could be changed through a
controller or through a digital input (see Digital Inputs for an example).
[Speed Ref Sel] can be set to the following values:
The source of parameter 20 [Speed Ref DPI] is selected by parameter 691 [DPI
Ref Select]. [DPI Ref Select] can be set to one of the following: 1 - “Local HIM”,
2 - “Ext DPI Conn”, 3 - Aux DPI Conn”, or 5- Int DPI Conn.” 4 - “Reserved” is
not used.
Setting
Description
0 - Zero Speed
Zero Speed is selected as the speed reference.
1 - Spd Ref 1
[Speed Ref 1] is selected as the speed reference.
2 - Spd Ref 2
[Speed Ref 2] is selected as the speed reference.
3 - Spd Ref 3
The sum of [Speed Ref 1] and [Speed Ref 2] is selected as the speed reference. Note that there is
no "Speed Ref 3" parameter.
4 - Spd Ref 4
[Speed Ref 4] is selected as the speed reference.
5 - Spd Ref 5
[Speed Ref 5] is selected as the speed reference.
6 - Spd Ref DPI
[Speed Ref DPI] is selected as the speed reference.
10
11
12
0
1
2
3
4
5
6
X
+
13
14
15
16
0
20
Speed Ref 1
Spd Ref1 Divide
Speed Ref 2
Spd Ref2 Multi
Speed Ref 4
Speed Ref 5
Speed Ref DPI
Speed Ref Sel
/
*