Using classic ladder and RS485 for spindle

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03 May 2023 14:39 #270570 by Julien
Hey, I am trying to set up my USB to RS485 adapter to controll my spindle.
The adapter has the following specs:
Modell Nr: SH-U10L
Standard : RS485
Haupt chip: SILICON LABS CP2102
Interface: USB Type A ,5 PIN Terminal Block
RS485 PIN: TXD+(A+), TXD-(B-)
USB 2.0; kompatibel USB 1.1
Kabel Länge: 5 Fuß/1.5M
Baud: 300bps bis 1Mbps

It can be found by terminal and I created a modbus.rules in /etc/udev/rules.d/ with following entrys:
SUBSYSTEMS=="usb",ATTRS{idVendor}=="0403",ATTRS{idProduct}=="6001",GROUP="root",MODE="0666"
SUBSYSTEM=="tty",ATTRS{idVendor}=="0403",ATTRS{idProduct}=="6001",SYMLINK+="RS485_ADAPTER"

I have created the followed entrys in my .hal:
loadrt classicladder_rt
addf classicladder.0.refresh servo-thread
loadusr -w classicladder --modmaster DM2800.clp

started ProbeBasic and saved a new DM2800.clp via classicladder. But sadly when I start classic ladder and go to the config->modbus communication it says I have to put the entry "loadusr -w classicladder --modmaster myprogram.clp" into my .hal.
 

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17 May 2023 09:56 #271522 by andypugh
Try starting from HAL.
halrun
loadrt classicladder_rt
addf classicladder.0.refresh servo-thread
loadusr -w classicladder --modmaster DM2800.clp

Or, alternatively.
halrun -I DM2800.hal
(note that I guessed the name of the HAL file, use the actual file that you created)

In either case, you can use "exit" to close the interactive HAL session,

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