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7-20
D
Negative Values Expressed in 2’s Complements
If the frequency reference bias in n061 is –100%, the minimum unit of setting will be
1% and the data will be converted as follows:
100 (%)/1 (%) = 100 = 0064 Hex
→
2’s complement: FF9C Hex
Bit reversed.
1 is added.
Note
Whether the data is positive or negative is determined by the parameter set value.
The MSB of negative-value data is always set to 1. Data with its MSB set to 1 is not, however,
always negative-value data.
For example, the setting range of the n083 parameter (register 0153 Hex: jump frequency 1) is
within a range from 0.00 to 400.00 Hz. If the jump frequency is 400.0 Hz, the data is obtained from
the following formula and its MSB will be 1.
400.0 (Hz)/0.001 (Hz) = 4000 = 9C40 Hex
D
Setting All Unused Bits to 0
•
Bits 11 through 15 of the RUN command (register 0001 Hex) are unused. When writing the data, be
sure to set all of these bits to 0.
These bits when read are set to 0.
D
No Data Settings in Unused Registers
•
Registers described “not used” may be used for internal processing. Do not write any data to such
registers.
Communications
Chapter 7
Summary of Contents for SYSDRIVE 3G3MV-A2001
Page 1: ...Cat No I527 E1 04 USER S MANUAL SYSDRIVE 3G3MV Multi function Compact Inverter...
Page 2: ......
Page 3: ...USER S MANUAL Multi function Compact Inverter SYSDRIVE 3G3MVSERIES...
Page 18: ......
Page 23: ...Chapter 1 Overview 1 1 Functions 1 2 Nomenclature 1 3 New Features 1...
Page 32: ......
Page 33: ...Chapter 2 Design 2 1 Installation 2 2 Wiring 2...
Page 74: ......
Page 93: ...Chapter 4 Test Run 4 1 Procedure for Test Run 4 2 Operation Example 4...
Page 102: ......
Page 142: ......
Page 242: ......
Page 268: ......
Page 269: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9...
Page 303: ...Chapter 10 List of Parameters 10...
Page 337: ...Chapter 11 Using the Inverter for a Motor 11...
Page 343: ......
Page 344: ...I527 E1 04...