5-50
Content
Address
Functions
Bit 5-7 Reserved
Bit 8 1: Main freq. Controlled by communication
Bit 9 1: Main freq. Controlled by external terminal
Bit 10 1: Operation command controlled by communication
Bit 11 1: Parameters have been locked
Bit 12 0: Stop 1: Run
Bit 13 1: Jog command
Bit 14-15 Reserved
2102H Frequency command F (XXX.XX)
2103H Output Frequency H (XXX.XX)
2104H Output Current A (XXX.X)
2105H DC-BUS Voltage U (XXX.X)
2106H Output Voltage E (XXX.X)
2107H Step number of Multi-Step Speed Operation (step)
2108H Time of PLC Operation (sec)
2109H Value of External Trigger (count)
210AH The Correspondent Value of Power Factor (XXX.X)
210BH Pr.65 X Low word of H (XXX.XX)
210CH Pr.65 X High word of H (XXX.XX)
210DH AC Drive Temperature (XXX.X)
210EH PID Feedback Signal (XXX.XX)
210FH PID Target Value (XXX.XX)
2110H AC Drive Mode Type Information
3.7 Communication program of PC:
The following is a simple example of how to write a communication program for Modbus
ASCII mode on a PC by C language.
#include<stdio.h>
#include<dos.h>
#include<conio.h>
#include<process.h>
#define PORT 0x03F8 /* the address of COM1 */
/* the address offset value relative to COM1 */
#define THR 0x0000
B550 Series sensorless vector frequency drive
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