1 (p.495), 7 configuring the preset speed references – Rockwell Automation FlexPak 3000 Digital DC Drive Version 4.3 User Manual
Page 31

Configuring the Speed Reference
4-11
4.1.7 Configuring the Preset Speed References
These parameters are only available if the I/O Expansion kit is installed.
The three preset speed references override the auto or manual speed/voltage loop
reference when
CONTROL
SOURCE
SELECT
is set to
TERMBLK
. Preset speed references
are selected using one or two digital inputs. When both digital inputs are in the
OFF
state, no preset speed is selected. When one or both digital inputs are in the
ON
state,
one of the three preset speed references is selected as shown in table 4.2.
Table 4.2 – Preset Speed Reference Selections
Digital Input 1
(Terminal 59)
Digital Input 2
(Terminal 60)
Speed/Voltage Loop Reference
OFF
OFF
Selected auto or manual reference
OFF
ON
PRESET
SPEED
1 (P.117)
ON
OFF
PRESET
SPEED
2 (P.118)
ON
ON
PRESET
SPEED
3 (P.119)
Figure 4.4 – Preset Speed Block Diagram
To Figure 4.5, Speed
Reference Ramp Block
Diagram
From Figure 4.2, Speed
Reference Source Select
Block Diagram
* Default Selection
DIG
IN
1 (P.495)
The state of digital
input 1 (terminal 59
on the I/O Expansion
kit).
Parameter Range:
ON
OFF
Default Setting:
n/a
Parameter Type:
Output
OIM Menu Path(s):
Input/Output - Digital I/O
Digital inputs 1 and 2 (terminals 59 and 60) select which, if any,
PRESET
SPEED
is
used as the reference for the speed/voltage control loop.
The input is
ON
when +24 VDC is applied for more than 10 msec. It is
OFF
when
0VDC is applied.