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--- mycnc:independent_pulse_generator [2018/09/02 10:00] – skirillov
+++ mycnc:independent_pulse_generator [2018/09/02 11:05] – skirillov
@@ Line 3: / Line 3: @@
 myCNC controllers Axis B can be switched to independent pulse generator output.
+<code>
+Independent Pulse Generator was added to firmware dated July 20, 2018.
+At the moment the firmware is available as the
+"Testing" version at the "Support" widget.
+</code>
@@ Line 67: / Line 73: @@
 The lines contain "coolant-widget" definition (a background color, position on the parent widget, a widget size and a widget type (myitems).
+"user-coolant.xml code is shown below
+<code XML user-coolant.xml>
+<mycnc-configuration version="1.0">
+<gitem where="coolant-widget"
+ position="0;0" width="490" height="30" labelWidth="490" type="label"
+ labelFgColor="white" labelBgColor="##f-display" labelFontSize="18" labelFontStyle="bold" >
+  <message>Coolant</message>
+  <message_ru>Охлаждение</message_ru>
+  <message_vn>Chất làm mát</message_vn>
+</gitem>
+<gitem where="coolant-widget"
+ position="10;40" width="220" height="60" displayWidth="90" labelWidth="130"
+ type="bdisplay" action="item:cnc-gvariable-8133" name="display-cnc-gvariable-8133"
+ bgColor="##b-display" fgColor="##f-display" fontSize="18" fontStyle="bold" format="%5.1f"
+ K="1" labelFontSize="16" labelFontStyle="bold" labelFgColor="white" >
+  <message>Rate, ml/hour</message>
+  <message_ru>Расход, мл/час</message_ru>
+</gitem>
+<gitem where="coolant-widget"
+ position="280;40" width="180" height="60" displayWidth="90" labelWidth="90"
+ type="bdisplay" action="item:cnc-gvariable-8132" name="display-cnc-gvariable-8132"
+ bgColor="##b-display" fgColor="##f-display" fontSize="14" fontStyle="bold"
+ format="%d" K="1" labelFontSize="16" labelFontStyle="bold" labelFgColor="white" >
+  <message>Ratio</message>
+  <message_ru>Коэффициент</message_ru>
+</gitem>
+</screen>
+</code>
+The code contains 3 parts
+  * the widget label set up
+  * the frequency setup
+  * the Ratio set up
+It's supposed operator no need to change frequency acceleration and this setting is hidden from an  operator.
+The acceleration can be set up in the Software or Hardware PLC for example.
@@ Line 89: / Line 133: @@
 </code>
+==== (Coolant) Pulse Generator control through Hardware PLC ====
+Function coolant_motor_start() is addaed to "mill-func.h" include file
+<code C mill-func.h>
+coolant_motor_start()
+{
+  timer=10;do{timer--;}while(timer>0);
+  gvarset(8131,1000000); //acceleration
+  timer=10;do{timer--;}while(timer>0);
+  x=gvarget(8133);//get the speed (frequency)
+  k=gvarget(8132);//get the ratio
+  x=x*k; //calculate the RAW frequency
+  gvarset(8130,x); //send the raw frequency to the register
+  timer=30;do{timer--;}while(timer>0); //wait a time for the frequency value to be delivered
+};
+</code>
+M08.plc procedure which starts the coolant motor would be
+<code C M08.plc>
+#include pins.h
+#include mill-func.h
+main()
+{
+  gvarset(7372,1);
+  portset(OUTPUT_FLOOD); //
+  coolant_motor_start();
+  exit(99);	//normal exit
+};
+</code>
+A procedure M09.plc to stop a coolant motor is simpler. Just need to write "0" to the raw frequency register.
+<code C M09.plc>
+#include pins.h
+main()
+{
+  gvarset(7373,0);
+  gvarset(7372,0);
+  portclr(OUTPUT_FLOOD);
+  portclr(OUTPUT_MIST);
+  gvarset(8130,0); //stop the pulse generator
+  timer=30;do{timer--;}while(timer>0); //wait a time for the frequency value to be delivered
+  exit(99);	//normal exit
+};
+</code>