LM small programmable controller software (based on CoDeSys) note 20: PLC controls stepping motor through driver

basic data ：

LM Small programmable controller software （ be based on CoDeSys） Note 17 ：pto Pulse function block _Gutie_bartholomew The blog of -CSDN Blog

wiring method ：

Practical application cases of the drive _Gutie_bartholomew The blog of -CSDN Blog

I use plc The board model is ADH164-A, After burning the program , The motor rotates clockwise .

Input ：

en： Can make

axis： I connect here with plc Of qx04, The query shows that , Corresponding to 3

target： Here is an absolute number , Input 10000, Then send 10000 Pulse , Input -10000, Or send 10000 Pulse , And the direction will not change , Unless it changes qx05.

vmax and acctime Is the parameter of the motor

Output ：

active It is used to display the running state of the motor , If it's running , The output 1,ptot Will attract , If it does not run or ends running, it will output 0,ptot Will disconnect .

Once the operation starts ,cv From 0 Start counting , The target is a positive number , It comes from 0 To a positive number , The target is negative , It comes from 0 To a negative number

error Is the alarm output

plc Program ：

Global variables ：

qx05 It is used to control positive and negative rotation ,

fx by 1 when ,qx05 Imbibition , The motor rotates clockwise

fx by 0 when ,qx05 Nonabsorbent , The motor rotates counterclockwise

qx20 The relay acts with sound , To observe plc Working condition

qx04 Corresponding axis=3