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<== Date ==> <== Thread ==>

Subject: RE: Looking at ethercat and EPICS
From: <ronaldo.mercado@diamond.ac.uk>
To: <ernesto@slac.stanford.edu>, <tech-talk@aps.anl.gov>
Cc: Namrata@slac.stanford.edu
Date: Wed, 21 Oct 2015 09:28:25 +0000

Hello,

I paste below a table from Diamond’s list of ethercat supported modules.

We have more experience with some models and less with others. For example, even though the EL1502 is listed, I am not aware of it being used in our facility.

 

There are two sections, the DIN rail modules (EL and EK prefix) and the box IO modules (EP prefix).

 

Regarding the template that you mention, gadc stands for “generic adc”, not gated adc.

There is some documentation here

http://controls.diamond.ac.uk/downloads/support/ethercat/4-3/documentation/doxygen/generic_adc.html

 

We don’t currently have gating or triggering for these modules.

 

Regards,

 

Ronaldo

 

Part No.

Type

Description

Typical Applications

 

EL3104

Analogue Input

16 bit (incl. sign), -10 to +10V dc, differential i/p

General purpose

 

EL3124

Analogue Input

16 bit (incl. sign), 4 to 20mA, differential i/p

General purpose

 

EL3602

Analogue Input

24 bit (incl. sign), -10 to +10V (scalable), differential i/p

High accuracy i/p: Femto amplifier o/p

 

EL3702

Analogue Input

16 bit (incl. sign), -10 to +10V dc, oversampling, diff. i/p

Fast i/p: vacuum gauge controllers

 

EL3202-0010

RTD / PT100 Input

0.01⁰C/digit, 4 wire connection

General purpose / high precision

 

EL3314

Thermocouple Input

0.1⁰C/digit, open circuit recognition

General purpose

 

EL4134

Analogue Output

16 bit, -10 to +10V dc.

General purpose

 

EL4732

Analogue Output

16 bit (incl. sign), -10 to +10V dc, oversampling

Fast o/p

 

EL1014

Digital Input

24V dc input, 10µs i/p filter

General purpose. Suitable for fast i/p.

 

EL1124

Digital Input

5V dc input, 0.05µs i/p filter

TTL i/p. See EL9505 for 5V supply module.

 

EL1502

Counter Input

24V dc up/down counter, 100kHz max. frequency

General purpose

 

EL2612

Digital Output

Relay o/p, 2 x changeover, 2A @ 24V dc.

General purpose

 

EL2624

Digital Output

Relay o/p, 4 x normally open, 2A @ 24V dc.

General purpose

 

EL2024

Digital Output

24V dc output, 2A @ 24V dc.

General purpose

 

EL2024-0010

Digital Output

12V dc output, 2A @ 12V dc.

General purpose: Femto amplifier o/p

 

EL2124

Digital Output

5V dc fast output, +/- 20mA per channel

TTL o/p. See EL9505 for 5V supply module.

 

EL2595

Digital Output

LED constant current terminal

LED control e.g. backlights

 

EK1100

EtherCAT Coupler Unit

EtherCAT coupler.

Standard Diamond coupler

 

EL9011

End Cap

End Cap

Fitted to last module in node.

 

EK1122

EtherCAT Junction

2 port EtherCAT junction

If a star type connection needed.

 

EL9410

Supply Terminal

2A Power supply module for E-bus, 24V dc.

Needed every time E-bus current > 2A.

 

EL9080

Separation Terminal

Dumb module inserted between two potential groups

Separation of 24V dc and 5V dc i/o

 

EL9512

12V dc Power Supply

Power supply module, 24V dc i/p, 12V 0.5A dc o/p.

Supply for 12V modules.

 

EL9505

5V dc Power Supply

Power supply module, 24V dc i/p, 5V 0.5A dc o/p.

Supply for 5V modules.

 

EL9185

Potential Distribution

Potential distributor, 4 terminal points

24V dc terminals from the I/O power rail.

 

EP3174-0002

Analogue Input

4

16 bit (incl. sign), individual parameterised differential i/p

General purpose

EP3204-0002

RTD / PT100 Input

4

0.1⁰C/digit, 2,3,4 wire connection, open circuit recognition

General purpose

EP3314-0002

Thermocouple / mV Input

4

0.1⁰C/digit, open circuit recognition

General purpose

ZS2000-3712

Thermocouple / mV Input

NA

M12 thermocouple connecting plug c/w temp. comp.

Order if using EP3314-0002

EP4174-0002

Analogue Output

4

16 bit, individual parameterised o/p

General purpose

EP4374-0002

Analogue Combi

4

16 bit, 2 ch. input & 2 ch. Output individual parameterised

General purpose

EP2338-0002

Digital Combi

8

24V dc freely configurable digital input (10µs) / output

General purpose

EP2624-0002

Digital Output

4

Relay o/p, 2A @ 24V dc.

General purpose

EP1122-0001

EtherCAT Junction

NA

2 port EtherCAT junction

If a star type connection needed.

 

 

> -----Original Message-----

> From: tech-talk-bounces@aps.anl.gov [mailto:tech-talk-

> bounces@aps.anl.gov] On Behalf Of Williams Jr., Ernest L.

> Sent: 20 October 2015 16:30

> To: tech-talk@aps.anl.gov

> Cc: Vasquez Stanescu, Jesus A; Balakrishnan, Namrata

> Subject: Looking at ethercat and EPICS

>

> Hi everyone,

>

> Looking for the EtherCAT users out there. :)

>

> Currently, we are working with the "dls-ethercat EPICS Support Module"

> I am currently using version "ethercat-4-1"

>

> Can someone send me a reference to the recommended hardware for general

> purpose I/O (e.g. digital I/O and analog I/O) ?

>

> For example, in the package from the Diamond Light Source, I see

> templates for gated ADC (i.e. gadc.template).

> These templates are referenced in the scanTest  "iocs" application.

> However, I would like to get the hardware details such as model number,

> manufacturer, etc ...

>

> Of course, the beckhoff model numbers such as "EL1502" are familiar.

>

>

> Cheers,

> Ernest

 

 

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Looking at ethercat and EPICS Williams Jr., Ernest L.

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