Emerson MP420A4R - Menu 2: Ramp Functions

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98 Mentor MP User Guide
www.controltechniques.com Issue: 3
11.2 Menu 2: Ramps
The pre-ramp speed reference passes through the ramp block controlled by menu 2 before being used by the drive to produce input to the speed
controller. The ramp block includes: linear ramps, and an S ramp function for ramped acceleration and deceleration.
Figure 11-2 Menu 2 logic diagram
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
Acceleration rate select bits
2.11
Acceleration rate 1
2.12
Acceleration rate 2
2.13
Acceleration rate 3
2.14
Acceleration rate 4
2.15
Acceleration rate 5
2.16
Acceleration rate 6
2.17
Acceleration rate 7
2.18
Acceleration rate 8
Acceleration rates 1 ~ 8
1.50
3
4
1
2
7
5
6
Preset reference
selected indicator
2.19
Jog acceleration
rate
1.13
Jog selected
indicator
1.03
Pre-ramp speed
reference
2.03
Ramp hold
N
t
N
t
Acceleration
Reverse
accel. rate
Forward
accel. rate
Ramp control
2.10
Acceleration
rate selector
2.34
2.32
2.33
2.32
0.XX
0.XX
Key
Read-write (RW)
parameter
Read-only (RO)
parameter
Input
terminals
Output
terminals
The parameters are all shown at their default settings
8
2.40
2.41
S-Ramp time
S-Ramp mode
2.39
Ramp rate speed units
2.30
Acceleration
ramp selected