[etherlab-dev] EtherCAT :: generating voltage onBeckhoff EL4732terminal fails
Daniel Bechter
daniel.bechter at omicron.at
Fri Apr 17 11:25:11 CEST 2009
> That should be handled by the EC_WRITE_S16() macro. Did you use it?
Yes I did, I output 7FFF with EC_WRITE_S16(), which should translate to 10V.
>From the ethercat data command you can see that data is written to the image.
I again attach the code of my little example.
> THis looks strange. Could you please post the output of 'ethercat pdos
> -p<your slave>' after a power cycle?
root at SWES-Linux:/home/daniel/EtherCAT/ethercat-devel-r1680/tool# ./ethercat
pdos -p 1
SM0: PhysAddr 0x1000, DefaultSize 0, ControlRegister 0x64, Enable 9
RxPDO 0x1680 "Ch1 CycleCount"
PDO entry 0x7800:01, 16 bit, "Ch1 CycleCount"
RxPDO 0x1600 "Ch1 Sample"
PDO entry 0x7000:01, 16 bit, "Ch1 Value"
SM1: PhysAddr 0x1400, DefaultSize 0, ControlRegister 0x64, Enable 9
RxPDO 0x1780 "Ch2 CycleCount"
PDO entry 0x7800:02, 16 bit, "Ch2 CycleCount"
RxPDO 0x1700 "Ch2 Sample"
PDO entry 0x7000:02, 16 bit, "Ch2 Value"
SM2: PhysAddr 0x0998, DefaultSize 0, ControlRegister 0x00, Enable 4
TxPDO 0x1a82 "StartTimeNextOutput"
PDO entry 0x1d09:98, 32 bit, "StartTimeNextOutput"
Thanks for your help!
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