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Enabling and Disabling Load Share and Other Functions
When a drive is selected as the slave with Load Share Function select (SA-01 = 2), the
following functions are disabled. To use these functions, set them on the master side.
Setting Value
of H1-
Function
Setting Value
of H1-
Function
3H
Multi-Step Speed Reference 1
12H
Forward Jog
4H
Multi-Step Speed Reference 2
13H
Reverse Jog
5H
Multi-Step Speed Reference 3
1EH
Analog Frequency Reference Sampling/Hold
6H
Jog Frequency Selection
32H
Multi-Step Speed Reference 4
AH
Acceleration/Deceleration Ramp Hold
44H
Add Offset Frequency 1
CH
Analog Terminal Enable Selection
45H
Add Offset Frequency 2
10H
Up Command
46H
Add Offset Frequency 3
11H
Down Command
When a drive is selected as the slave with Load Share Function select (SA-01 = 2), the
following functions are disabled. To use these functions, set them on the master side.
Parameter
Name
Parameter
Name
C2
S-Curve Time Setting
D4
UP/DOWN
D1
Multi-Step Speed
D7
Offset Frequency
D3
Jump Frequency
L3
Stall Prevention during Acceleration and
Deceleration
*
When Load Share is enabled, Proportional & Integral Control (L7-07 = 1) and Proportional
Only (L7-07 = 0) are invalid as the setting of L7-07 (Torque Limit during Accel/Decel).
Load Share is disabled when the following references are input. Ensure that the following
references are simultaneously input to the master and slave.
Setting Value
of H1-
Function
Setting Value
of H1-
Function
15H
Fast Stop (N.O.)
20H to 2FH
External Fault
17H
Fast Stop (N.C.)
• The following functions are executed with a higher priority than Load Share.
Parameter
Name
Parameter
Name
-
Jog Operation (Keypad Input)
T1
Auto-Tuning
Slave Reverse Run Specifications
The direction of the output rotation speed of the slave is dependent on the polarity of the
frequency reference voltage that was input. It is not dependent on the direction of the Run
command (Forward/Reverse).
The direction of the output frequency is as follows.
If the input frequency reference signal is + (positive), the output frequency is positive.
If the input frequency reference signal is - (negative), the output frequency is negative.
*
Excluding Auto-Tuning, Jog Operation, and LOCAL Mode.
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