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VFC 3210
Adjust the setting frequency by multi-speed function
Multi-speed function offers flexible, switchable 16 independent stages of setting
frequency. The rotation direction of each stage depends on both the 'Stage ac-
tion' and the 'Run command source', see the table below:
Frequency source Run command source
Operating panel
External terminals
Multi-speed
Communication
Tab. 12-2: Setting frequency and multi-speed settings
To configure the multi-speed settings, take the following steps:
Step 1: Activate multi-speed function
Code
Name
E0.00 First frequency setting source
E0.02 Second frequency setting source
Step 2: Select any 3 digital inputs and define functions accordingly
Assign functions to digital inputs properly when 'Acceleration / deceleration
time activation' and '2-wire / 3-wire control mode' are also necessary defined via
digital inputs.
Code
Name
E1.00 X1 input
E1.01 X2 input
E1.02 X3 input
E1.03 X4 input
Step 3: Configure the setting frequency for each stage
If the setting frequency of next stage is lower than that of the current stage, it
will decelerate to the next stage with the deceleration time of the current stage;
if the setting frequency of next stage is higher than that of the current stage, it
will accelerate to the next stage with the acceleration time of next stage.
DOK-RCON04-VFC3210****-IT01-EN-P
Rotation direction
[E3.60], [E3.62], [E3.64], [E3.66]
[E3.68], [E3.70], [E3.72], [E3.74]
8 or less stages: 2-wire control
Set by communication
Setting range
21: Multi-speed settings
Setting range
1: Multi-speed control input 1
2: Multi-speed control input 2
3: Multi-speed control input 3
Bosch Rexroth AG
Functions and Parameters
Acc. / Dec. time
[E0.26] / [E0.27]
[E3.10] / [E3.11]
[E3.12] / [E3.13]
[E3.14] / [E3.15]
[E3.16] / [E3.17]
[E3.18] / [E3.19]
[E3.20] / [E3.21]
[E3.22] / [E3.23]
Default
Min.
0
–
2
–
Default
Min.
35
–
36
–
0
–
0
–
Attri.
Stop
Stop
Attri.
Stop
Stop
Stop
Stop
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