Wireless RS485 Remote Annunciator

RE: Wireless RS485 Remote Annunciator

amgalbu — Wed, 11 Mar 2015 20:55:48 GMT

I think what ypu nneed is a tunneler

I use these products

Www.mtxtunnel.com

They works and are really cheap

RE: Wireless RS485 Remote Annunciator

clem57 — Wed, 11 Mar 2015 15:40:22 GMT

Can I suggest an alternative that is low cost and may handle the task? PSOC CY8CKIT-042-BLE.

These are good if the data transferred is bursty with a distance of 100 meters or less (about the same as wireless). They are small as well. Otherwise the solution you mentioned is good for distance. Would suggest some encryption if not SSL like [mention:b0bc65b9ecdc4307bd967592f00e340a:e9ed411860ed4f2ba0265705b8793d05] said.

Cheers,

Clem

RE: Wireless RS485 Remote Annunciator

gadget.iom — Wed, 11 Mar 2015 14:25:42 GMT

I think your first step would be to see if you can find a data sheet for the 485 communications.

RE: Wireless RS485 Remote Annunciator

shabaz — Wed, 11 Mar 2015 14:24:27 GMT

Hi Christopher,

A 3G/4G connection is probably the way to go, it shouldn't cost a lot monthly per site since you won't be sending/receiving much data.

However, for your use-case security is a concern - for that reason alone, I wouldn't use spark electron unless it supports SSL at a bare minimum.

There are some microcontrollers that support SSL, otherwise any Linux based platform would work.

There are off-the-shelf solutions that will do what you want for a cost (probably a very small cost in real terms, since each on-site call-out probably costs hundreds of dollars maybe).