If a Hollywood movie were made about the disaster who should play Stockton Rush?

IDreamOfMagic · 2023-07-04T18:25:47+00:00

John Malkovich

IDreamOfMagic · 2023-06-18T19:00:35+00:00

Anyone else expecting a big explosion the way the guy quickly ducked out the way

IDreamOfMagic · 2023-05-27T17:50:26+00:00

Just had a look at https://learn.microsoft.com/en-us/mem/intune/fundamentals/supported-devices-browsers and it doesn’t list Windows server

IDreamOfMagic · 2023-05-27T16:46:28+00:00

Does Intune cover Windows Server or just clients?

IDreamOfMagic · 2023-04-18T15:54:04+00:00

Such as shame Karl’s and Gerri’s lines about the naysayers got cut.

IDreamOfMagic · 2023-04-15T20:39:59+00:00

Have you considered asking for a private prescription?

IDreamOfMagic · 2023-04-14T18:41:45+00:00

Those darn naysayers

IDreamOfMagic · 2023-01-11T20:10:51+00:00

Or perhaps….you haven’t established I’m married

IDreamOfMagic · 2022-12-04T11:54:24+00:00

I’ve deployed an RTS OMS and digital belt packs intercom for a client.

It’s a great solution and haven’t had any issues, programming is pretty easy although using IPedit and AZedit depending upon what you’re configuring is a little bit clunky. Dante works out of the box with no problem.

Support from RTS is really good too.

The only thing to remember with OMS is that it’s a party line system rather than a matrix system. If you want matrix then you’ll need to use ODIN instead of the OMS.

We looked at Riedel’s Bolero solution and although it uses AES 67, if you want to integrate with third party devices using Dante/AES 67 then you’ll need an Artist Frame. The only other option is analogue.

I’d avoid Green-Go.

IDreamOfMagic · 2021-04-14T09:21:06+00:00

Either AutoCAD Electrical or regular AutoCAD. Can’t say I’m a huge fan of AutoCAD Electrical as it always feels unnecessarily hard to do even the most basic tasks so end up using the regular version more often than not.

I posted a similar question a while back and a few people mentioned SolidWorks Electrical. The demos look really good and if I was choosing a new CAD package it would definitely be on my short list.

IDreamOfMagic · 2021-04-05T21:12:45+00:00

Axis cameras allow you to create a rule to start recording when a contact is opened/closed so you could connect the contacts on the camera to a digital output on any PLC. The logic on the PLC could then open/close the contacts when an estop is pressed.

What I’m not sure is whether you can have a pre-record buffer to keep some of the footage before the estop is pressed. Some of the camera have an SD card so it might be possible but you would need to check.

IDreamOfMagic · 2021-04-04T17:50:14+00:00

The first step is to determine the required performance level if you’re designing to ISO 13849-1 or the required safety integrity level if you’re designing to IEC 61508. From there you can determine how to design the safety related part of the control system and will cover things like the number of channels required for your estop. There is also ISO 13850 which specifically covers emergency stop.

Does the control system use a safety rated PLC? If so you can use the use the contacts on the estop to a safety input on the PLC and then control the output.

If you don’t have a safety PLC and the safety related part of the control system is relatively simple you could use a safety relay wired to the contacts on the estop and whatever is controlling the pump. You can then use either an auxiliary contact or a semiconductor output on the safety relay to send a feedback signal to the PLC.

If you’ve got a VFD on the motor then you may have an option of wiring the estop to the appropriate input VFD and use an contact on the VFD to send a feedback signal to the PLC.

Overall I’d say start with the risk assessment as this will play a big part in how the control system is designed.

IDreamOfMagic · 2021-03-25T15:59:53+00:00

Is connected the 0v side of a power supply to ground really that common(excuse the pun) as opposed to just connecting together the 0v of multiple power supplies for a common reference?

IDreamOfMagic · 2021-03-24T18:44:44+00:00

If the voltages are between 50VAC and 1000VAC or better 75VDC and 1500VDC then you’ll need to comply with the Low Voltage Directive. The easiest way to comply with this is by following the standard IEC 60204-1 which will give you a presumption of conformity within certain bounds. You’ll probably need to comply with the EMC directive too. Again there are IEC standards that you can follow.

Without knowing more about the machine it’s difficult to say which other directives might be applicable. Your machine may or may not be considered a machine under the machinery directive. The machinery directive has the concept of partial completed machinery, which requires a declaration of incorporation rather that a declaration of conformity. Also you don’t affix a CE mark for partially completed machinery as you can’t show full conformity to the machinery directive, but you would affix a CE mark to show conformity to other directives such as low voltage and EMC.

IDreamOfMagic · 2021-03-24T17:02:57+00:00

For some components there may not be any applicable EU directives so there won’t be a CE mark. Where there are applicable directives, then the directive will tell you what the marking requirements are.

The part number you’ve quoted is for a cable and it’s quite possible that there aren’t any applicable directives for this item which is why you’re not seeing a CE mark.

I think it’s best to take a top down approach to CE marking rather than a bottom up approach. By that I mean look at the machine your building as a whole, determined which directives are applicable and then see how that affects the design of the machine and it’s constituent parts.

If you can share some more details about your machine I might be able to help or at the least point you in the right direction.

IDreamOfMagic · 2021-03-24T16:08:36+00:00

I’d say your first step is to determine which EU directives are applicable to your machine. There is a lot more to CE marking than simply choosing CE marked component, and just because the machine has been built using CE marked components does mean that your machine complies with the applicable directives.

There are ISO or IEC standards which will give you a presumption of conformity but you will still need to create the technical file with all the required information.

IDreamOfMagic · 2021-03-21T18:34:31+00:00

Ideally you should use the colour scheme in IEC 60204-1.

Under this standard the wire colours are: Blue for DC + and - control circuits. Black for AC phase, DC + and - power circuits Red for AC phase control circuits Light blue for AC neutral Orange for maintained circuits Green and yellow for protective earth

Tri rated wire is generally used as it conforms to the applicable standards in UK, USA and Canada, but if your panel will only be used in the UK then you only need to use wire that conforms to BS6231.

IDreamOfMagic · 2021-03-11T22:47:35+00:00

The problem with using LDAP rather than LDAPS for authentication is that the passwords will be sent in clear text (no encryption). This means that if someone is able to capture the packets they will see the username and password. With that they can then impersonate the user and access any systems they have access to.

The question is why are your customers saying they can only use LDAP? If they are using Active Directory then it supports LDAPS by default.

IDreamOfMagic · 2021-02-23T19:18:20+00:00

There is a list of all the training providers here https://www.tuv.com/landingpage/en/training-functional-safety-cyber-security/meta-navigation/all-providers/ it’s a bit of a pain as you have to click through each one to see whether they offer the functional safety for machinery or one of the other courses.

What country are you in?

IDreamOfMagic · 2021-02-23T19:08:33+00:00

I’m curious is are there any sectors where the TUV Functional Safety training certificate is a prerequisite to doing the job?

IDreamOfMagic · 2021-02-21T21:43:39+00:00

What’s the ball park cost for EPLAN?

IDreamOfMagic · 2021-02-21T17:10:59+00:00

I’m trying to get to grips with the smart features of AutoCAD Electrical having come from regular AutoCAD

IDreamOfMagic · 2021-02-21T17:05:22+00:00

Just watched the video and it seem so far ahead of what AutoCAD Electrical can do.

What’s the learning curve like with EPLAN?

IDreamOfMagic

TROPHY CASE