I just got a quotation for the ET1200: it's about 10 EUR/pcs in 10pcs 
quantity. (5EUR in 750 quantity).
http://www.beckhoff.com/english.asp?ethercat/et1100.htm

This is from a local distribuitor, so I guess it's way cheaper from Beckhoff 
directly.

Regards,
Alex

----- Original Message ----- 
From: "Alex Joni" <[EMAIL PROTECTED]>
To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
Sent: Monday, October 29, 2007 9:54 PM
Subject: Re: [Emc-users] Ethernet I/O


>I finally found this reference:
>
> http://www.rtcmagazine.com/home/article.php?id=100822&pg=2
>
> "The slave controller chips are in the same range as standard Ethernet 
> chips
> (roughly $5 in quantity 10,000). The synchronization mechanism for 
> EtherCAT
> is already built in. Other solutions that rely on IEEE 1588 require an 
> extra
> chip. All together this makes EtherCAT a very affordable technology."
>
> btw, I will be travelling in a couple of weeks to germany, might get in
> contact with Beckhoff for some details.
>
> Regards,
> Alex
>
>
> ----- Original Message ----- 
> From: "Peter C. Wallace" <[EMAIL PROTECTED]>
> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
> Sent: Monday, October 29, 2007 9:16 PM
> Subject: Re: [Emc-users] Ethernet I/O
>
>
>> On Mon, 29 Oct 2007, Alex Joni wrote:
>>
>>> Date: Mon, 29 Oct 2007 21:00:22 +0200
>>> From: Alex Joni <[EMAIL PROTECTED]>
>>> Reply-To: "Enhanced Machine Controller (EMC)"
>>>     <emc-users@lists.sourceforge.net>
>>> To: "Enhanced Machine Controller (EMC)" 
>>> <emc-users@lists.sourceforge.net>
>>> Subject: Re: [Emc-users] Ethernet I/O
>>>
>>>> Umm, no... As master, no problem but slaves will be expensive:
>>>>
>>>> Ethercat slaves require either custom proprietry hardware or 
>>>> proprietary
>>>> IP
>>>
>>> Hmm, unfortunately I can't argue there.. been trying to find some prices
>>> for
>>> a slave chip.
>>> I found some products, but no prices anywhere:
>>> - beckhoff ET1100, ET1200
>>> - ESC10, ESC20
>>> and some FPGA IP Core for Altera & Xilinx
>>>
>>> Maybe you have an idea how expensive they are?
>>
>>
>> No, I looked into this several months ago but was discouraged by the
>> hardware requirements. For the sychronization standards, I have more 
>> faith
>> that IEEE 1588 will get embedded in more Ethernet chips and processors
>> with
>> Ethernet, for example:
>> Ethernet Transceiver with IEEE 1588 PTP Hardware Support from National
>> Semi
>> (Product News, 17 Oct 2007 )
>>
>> National Semiconductor has introduced its Ethernet transceiver with
>> integrated
>> hardware support for the IEEE 1588 Precision Time Protocol (PTP). For
>> applications in motion control, instrumentation, data acquisition and
>> telecommunications, the DP83640 precision PHYTER transceiver synchronizes
>> the
>> distributed network nodes to a master clock with 8-nanosecond accuracy.
>>
>>
>> The model DP83640 precision PHYTER transceiver synchronizes distributed
>> network nodes to master clock with 8 nsec accuracy and offers 100 Mb
>> synchronous Ethernet mode that eliminates any inaccuracy caused by clock
>> drift
>> between nodes. It integrates hardware time stamping of receive and
>> transmit
>> packets, high-accuracy IEEE 1588 clock, and 12 GPIO pins that handle
>> simultaneous real-time events/multiple triggers. Device interfaces with
>> any
>> microcontroller, FPGA, or ASIC with Ethernet MAC. The samples of the
>> DP83640
>> transceiver are available now in a 48-pin LQFP. The DP83640 will be 
>> priced
>> at
>> $5.24 each in 1,000-unit quantities.
>>>
>>> Regards,
>>> Alex


-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems?  Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >> http://get.splunk.com/
_______________________________________________
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users

Reply via email to