255
0 Non-process closed loop running
BIT5
1 Swing frequency (reserved)
0
Non-swing frequency (reserved)
BIT6
1 Under-voltage
0 Normal voltage
BIT7 Reserved
BIT8 Reserved (servo running)
BIT9 Reserved (customized running)
BIT10
Reserved (synchronized speed
running)
Others Reserved
The bit definition of the status word 3 of the drive is as shown in the following table:
Bit Value Function Remarks
BIT0~BIT1 Reserved
BIT2 Running at zero speed
BIT3 Accelerating
BIT4 Decelerating
BIT5 Running at constant speed
BIT6 Pre-exciting
BIT7 Setting
BIT8 Limiting over-current
BIT9 Limiting DC over-voltage
BIT10 Limiting torque
BIT11 Limiting speed
BIT12 Drive fault
BIT13 Speed control
BIT14 Torque control
BIT15 Position control(reserved)
7. Expand access mode
The standard protocol only supports the register of 16 bits, and the above description is also based on the
register of 16 bits. The parameters of MV600 series drive include both 16 bits (single character) and 32 bits
(double characters). So, the data of both lengths shall be considered when reading/writing the parameters.
There are two modes in which the drive parameters are accessed to, including 16-bit mode and 32-bit mode,
that is, the user can read/write the parameters with 16 bits or 32 bits as the unit separately. The 16-bit mode
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