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

Page 31

Advertising
background image

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.

Advertising