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Messages - joeaverage

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6021
Modbus / Re: Who can I call to help me setup this automation direct vfd
« on: November 05, 2017, 12:51:48 AM »
Hi,
should have pointed out I found P 3.00 on page 4.3 of the users manual.

Craig

6022
Modbus / Re: Who can I call to help me setup this automation direct vfd
« on: November 05, 2017, 12:50:36 AM »
Hi,
while you are about programming your P 9.02 parameter to 03  also program P 3.00 to 03 which tells the VFD to use the 485 Modbus input as it frequency
command. Note that the Stop button on the VFD screen/panel still works.

Craig

6023
Modbus / Re: Who can I call to help me setup this automation direct vfd
« on: November 05, 2017, 12:41:36 AM »
Hi,
Have you manually programed P 9.02 to 03 as I asked? You will need to use the VFD screen buttons.

Open your PC Device Manager and find the port no. that the RS485 adapter is plugged into.

On the Modbus config screen:
port number: whatever port number you are plugging your 485 adapter into, baud rate=9600, change 8-1-0 to 8-0-2
Cfg #0      <enabled>          CW/CCW      port no. as above              slave address 01     refresh incr 100ms   address 42333      #regs 1    output holding
Cfg #1      <enabled>          Start/stop     port no. as above              slave address 01     refresh incr 100ms   address 42332      #regs 2    output holding
Cfg #3      <enabled>          Freq Cmd     port no. as above              slave address 01     refresh incr 100ms   address 42331      #regs 3    output holding

Try that for starters while I dig up some other stuff.

Craig

6024
Modbus / Re: Who can I call to help me setup this automation direct vfd
« on: November 05, 2017, 12:17:13 AM »
Hi,
we'll figure it out. Firstly the Modbus screen is different to that which shows up in 066 version. What version of Mach3 are you running?

Believe it or not the fact that the drive faults out is good, it means that something is getting through, the fault rather tells us it the wrong something but something
is getting there.

I posted the memory addresses of the three relevant GS2 parameters to operate the VFD. they started at 42331 to 42333. In addition each Modbus slave
device has an 'address' as well which rather complicates things. In your case you only have one Modbus slave, your VFD, and the manufacturer has programmed
its slave address as default of 01.

I propose you have three distinct config's, one for each value to be transmitted.

I will look a little more closely and come back to you.

Craig

6025
Modbus / Re: Who can I call to help me setup this automation direct vfd
« on: November 04, 2017, 06:49:15 PM »
Hi,
I'm going to assume that the comm link is OK, that may be a bit optimistic, but we will see.

Now we need to program a brain that can output the three control words.
The inputs to the Modbus plugin are Mach3 outputs. I suggest you program Mach so that Output#1 is Run/Stop and Output#2 is Fwd/Rev.
The speed will be one of Machs DROs.

Craig

6026
Modbus / Re: Who can I call to help me setup this automation direct vfd
« on: November 04, 2017, 06:31:30 PM »
Hi,
hopefully should be close to testing the Modbus communication link.
You'll need to read the users manual and program parameter P 9.02 with the value 03 as I alluded to in the last post.

Now with the Modbus Status and Control panel open <Test Modbus> will with any sort of luck produce an affirmative response.
What does it show you?

Craig

6027
Modbus / Re: Who can I call to help me setup this automation direct vfd
« on: November 04, 2017, 06:26:10 PM »
Hi,
on page 5.2 of the GS2 user manual:
P 9.00 default 01, this is the slave address, OK as is
P 9.01 default 01 transmission speed is 9600 baud, OK as is just set Modbus transmit to 9600 baud as well
P 9.02 default 00 ASCII, 7 data, no parity, 2 stop. The serial Modbus plugin of Mach3 does not have this combination, suggest 8 data, no parity,2 stop ie P9.02=03
Suggest you manully program the VFD with this parameter. You will also have to program the VFD to accept frequency and run commands from Modbus, but that
is a bit down the track yet.

The remainder of the parameters on this page do not concern us immediately.
On Page 5.3:
P 9.26 frequency command
9.27 Run/Stop value
9.28 Fwd/Rev value

While the alarm and status may prove useful in the future lets ignore them for the time being, they won't prevent us from getting the thing to run.
On page 5.8:
the decimal memory addresses:
P 9.26    42331
P 9.27    42332
P9.28     42333

Thus we have three consecutive input words.
On Function Cfg's/Setup Serial Modbus Control set up per the screen shot attached, I don't really know if I'm correct but it wont hurt to try.

Craig

6028
General Mach Discussion / Re: True 4 axis milling
« on: November 04, 2017, 04:37:51 PM »
Hi dude1,
I find it hard to believe the pictures and the numbers about how much things shifted.

I'm several hundred k from the epicentre but I would swear that there was continuous motion for 20 minutes, it seemed to peak and then fade over a few minutes
then another one would come along. Yes the sound is terrifying...

Craig

6029
Mach4 General Discussion / Re: M03 yes, but no M05
« on: November 04, 2017, 02:43:05 PM »
Hi,
not sure what the problem is but  you should use lowercase letters and without leading zeros

Quote
I've gotten into the habit of coding macros with lowercase m and gcodes with lowercase g. Machs interpreter decodes to lowercase and strips out leading zeros.
So M03 gets decoded as m3 etc. In most cases what it gets decoded to is unique and causes no problems but there are times when its not so and an error
results. I now prefer to code in a manner that doesn't require either Mach or Windows to have to interpret what I mean.

Craig

6030
General Mach Discussion / Re: True 4 axis milling
« on: November 04, 2017, 06:35:26 AM »
Hi dude1,
that's sounds scary, was she badly injured?

Its hard to estimate what the earthquake has done to all our thinking...in some respects nothing has changed and in other subtle but powerful ways
there is a fear that lives in us that can't be answered or gainsaid. I am very far from a religious man but I do pray that there is no recurrence.

Craig

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