[etherlab-users] Beckhoff EL2595 AL status message 0x001E: "Invalid input configuration"

[Jun Yuan]

Hello ronaldo,

@@ -73,7 +73,7 @@
ec_sync_info_t slave_1_syncs[] = {
    {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
    {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
    {2, EC_DIR_OUTPUT, 2, slave_1_pdos + 0, EC_WD_DISABLE},
-   {3, EC_DIR_INPUT, 1, slave_1_pdos + 1, EC_WD_DISABLE},
+   {3, EC_DIR_INPUT, 1, slave_1_pdos + 2, EC_WD_DISABLE},
    {0xff}
};

To avoid such a mistake, it would be better to seperate the rxpdo and
txpdo, using slave_1_rxpdos[] and slave_1_txpdos[] instead of only one
slave_1_pdos[]

Regards,
Jun




On Tue, Mar 11, 2014 at 7:13 PM, <ronaldo.mercado at diamond.ac.uk> wrote:

>  Hello,
>
>
>
> I am struggling with the control the constant current output slave EL2595.
>
>
>
> The unit provides a few PDOs by default, to control the on/off
>
> state. I wish to control the current output, (I believe at address
> 0x7000:11
>
> "Output Current"). This should allow a slider to control the dimming of
>
> an LED. This is not on the default PDO set.
>
>
>
> I know it's supported because it was demonstrated with TwinCAT. TwinCAT
>
> adds it to sync manager 2 with a check box.
>
>
>
> My attempt with the attached c source program fails to set the slave
>
> in the "OP" state, and the messages report "Invalid input
>
> configuration".
>
>
>
> Could you suggest what to do differently?
>
> How do I add the PDO for the current control to the slave?
>
>
>
> Thanks,
>
>
>
> Ronaldo
>
>
>
>
>
>
>
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-- 
Jun Yuan
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