Lenze SCF Series Drives Modbus Communications Manual de usuario descargar pdf (Pagina 15)

11 RG-SFMOD

Drive Control & Communication

5.1 Abbreviations

Table 6 lists the abbreviations used in Table 5 SCF Drive Control Registers:

Table 6: Abbreviations

Abbreviation Description

R Read

W Write

RS Response

SA Slave Address (typically 01 through F7 hex)

CRC Cyclic Redundancy Check High + Low bytes

DH Data High byte

DL Data Low byte

B Byte

ACT# AC Tech Register # (Modbus Register numbers are 1 larger)

5.2 Drive Control - Register #1

Table 7 illustrates the Data High Byte and Data Low Byte format of Register #1, Drive Control.

Table 7: Drive Control - Register #1

Data Low Byte

0 UPDATE BUFFERS

1 LOCK SECURITY

2 STOP DRIVE

3 START DRIVE

4 UNUSED

5 UNUSED

6 SET REVERSE

7 SET FORWARD

Data High Byte

8 AUTO MODE

9 MANUAL MODE

The appropriate bit is set to 1. For example, to stop the drive bit two is set (send 0004H). To start the drive

send 0008H. Setting update buffers bit, enables to start the drive using downloaded data. Locking security

disables the serial drive control, the communications watchdog timer and prevents any further writing to

control or parameter registers.

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 31 32

Sin comentarios

Lenze SCF Series Drives Modbus Communications Manual de usuario Pagina 15