I failed to mention that this configuration is for connection via RS485. The 
mitsub_vfd module does not use modbus; it uses the Mitsubishi Inverter 
Protocol. 

> On Mar 1, 2024, at 12:55 PM, Thaddeus Waldner <thadw...@gmail.com> wrote:
> 
> I recently set up a Mitsubishi D700 to work with Mitsub_vfd
> 
> These inverters are highly flexible in how they are configured to respond to 
> control commands. I spent many hours of trial and error to get the correct 
> combination of parameters to even get it to respond to network commands. What 
> tripped me up initially was that the drive must be reset by cycling the power 
> to make any changes take effect.
> 
> It has a handy list of all the non-default parameters. I have attached them 
> below. Everything appears to work, though there is some inconsistency in how 
> manual seed control works in gmoccapy.
> 
> 
> The E500 could be a whole different animal but maybe this will help. 
> 
> 
> pr    name    value
> 1     Maximum frequency       300
> 2     
> Minimum frequency 
> 30
> 3     
> Base frequency 
> 300
> 7     Acceleration time       2.5
> 8     
> Deceleration time 
> 3
> 9     
> Electronic thermal O/L relay 
> 9
> 13    Starting speed  20
> 18    High speed maximum frequency    300
> 19    
> Base frequency voltage
> 200
> 20    
> Acceleration/deceleration reference frequency
> 300
> 29    
> Acceleration/deceleration pattern selection
> 2
> 41    
> RUN key rotation direction selection 
> 5
> 72    
> PWM frequency selection 
> 15
> 77    Parameter write selection       2
> 82    Motor excitation current        80
> 84    
> Rated motor frequency 
> 120
> 96    
> Auto tuning setting/status 
> 21
> 117   
> PU communication station number 
> 96
> 120   
> PU communication parity check 
> 0
> 124   
> PU communication CR/LF selection 
> 0
> 160   Extended function display selection     0
> 298   
> Frequency search gain 
> 39
> 340   
> Communication startup mode selection 
> 1
> 551   
> PU mode operation command source selection
> 4
> 
> Hope this helps!,
> 
> Thaddeus
> 
> 
> 
>> On Mar 1, 2024, at 7:34 AM, lloyd wilson <llwilso...@rochester.rr.com> wrote:
>> 
>> I'm using a Mitsubishi E500 VFD for spindle drive on the VMC I'm 
>> retrofitting & can't get variable speed to cooperate. The mitsub_vfd program 
>> operates properly (I think)- run/stop behaves as expected, speed commands 
>> are generated and accepted by the VFD, but the  motor speed stays the same. 
>> I hacked in a couple of debugging statements to show the dialogs (running in 
>> halcmd):
>> 
>> setp sp.motor-cmd 50
>> halcmd: 01ED11388EF   SENT: 0x5 0x30 0x31 0x45 0x44 0x31 0x31 0x33 0x38 0x38 
>> 0x45 0x46
>> 7!DEBUG:  ,0,1, 0x6 0x30 0x31
>> 
>> show pins
>> 
>> ........
>> 
>>      4  float IN                     50  sp.motor-cmd
>> 
>> .......
>> 
>>  then
>> 
>> setp sp.motor-cmd 80
>> halcmd: 01ED11F40F6   SENT: 0x5 0x30 0x31 0x45 0x44 0x31 0x31 0x46 0x34 0x30 
>> 0x46 0x36
>> 7!DEBUG:  ,0,1, 0x6 0x30 0x31
>> 
>> show pins
>> 
>> ........
>> 
>>      4  float IN                     80  sp.motor-cmd
>> 
>> .......
>> 
>> the messages are properly formatted per the Mitsub manual & replies show no 
>> errors
>> 
>> --but the test motor keeps running at the same speed.
>> 
>> Anyone have a clue where to look for the solution?
>> 
>> as always, thanks
>> 
>> -ldw
>> 
>> 
>> 
>> _______________________________________________
>> Emc-users mailing list
>> Emc-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/emc-users
> 


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