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5.1.9 Using RFG(Ramp Function Generator)
Purpose of using RFG is selecting RAMP (frequency generator) sources. The method of selecting
RAMP sources is using STW. It is shown diagram below.
Index 1
vl_velocity_acceleration
(#6048)
Index 2
Index 1
vl_velocity_deceleration
(#6049)
Index 2
vl_target_velocity
Conv. Hz
(#6042)
If you use RFG, Please set parameter shown below.
B021(Overload restriction operation mode)
B130(Over-Voltage LADSTOP enable)
B140(Over-current trip suppression)
In purpose of setting parameter above, these parameters are automatically decelerated output
velocity in condition of these functions. It is not satisfied that specifications of CANopen. In
selecting RFG mode, it doesn't work the functions Overload restriction, Over-Voltage LADSTOP
and Over-current trip suppression. When you want to use these functions, please don't select
RFG mode.
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CHAPTER5 CANOPEN COMMUNICATION FUNCTION
Conv. Hz
Cal.
∆
speed
∆
time
RFG unlock (STW:bit5)
RFG usr ref (STW:bit6)
RFG
HOLD
0
0
1
vl_velocity_min_max_amount
(#6046)
INV
F002/F003
A004
17
RFG enable (STW:bit4)
0
1
1
0
Index 1
Limiter
Index 2
A061/A062
00(OFF)
00(OFF)
00(OFF)
HALT (STW:bit8)
vl_velocity_demand
0
(#6043)
Conv.
RPM
1
vl_velocity_effort
(#6044)
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