ElecTech Posted November 6, 2015 Share Posted November 6, 2015 I've had mixed feedback on what the best cabling for a RS485 line.. I'd say the risk of noise induction is medium on the site being installer and I'd like to know what is best to use. I've been told unshielded CAT5e by tech guys but curious what installers say... He said there is an on going argument about shielding weakens the signals but is to be used in harsh environments. Thanks... Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39310-best-cable-for-rs485/ Share on other sites More sharing options...
james.wilson Posted November 6, 2015 Share Posted November 6, 2015 I've always preferred shielded beldon cable securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39310-best-cable-for-rs485/#findComment-433886 Share on other sites More sharing options...
ElecTech Posted November 6, 2015 Author Share Posted November 6, 2015 Does beldon hold the same properties as cat5 to use it in a RS485 issue free? Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39310-best-cable-for-rs485/#findComment-433887 Share on other sites More sharing options...
james.wilson Posted November 6, 2015 Share Posted November 6, 2015 I wouldn't use cat5. But I would go with what the manufacturers recommend securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39310-best-cable-for-rs485/#findComment-433888 Share on other sites More sharing options...
sixwheeledbeast Posted November 6, 2015 Share Posted November 6, 2015 Use what the manufacturers recommend. I agree, would use Belden for RS485, that's what it's designed for. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39310-best-cable-for-rs485/#findComment-433890 Share on other sites More sharing options...
Flossyrockstar Posted November 6, 2015 Share Posted November 6, 2015 (edited) Beldon if the panel/controller has no opto isolation like the Northern/Honeywell N1000 II's and IV's and the new (for me ) net axs panel, also the RBH Axiom stuff between the NC 100's and RC2's, ACT recommend UTP, so it all depends on which system your fitting. Edited November 6, 2015 by Flossyrockstar Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39310-best-cable-for-rs485/#findComment-433892 Share on other sites More sharing options...
breff Posted November 6, 2015 Share Posted November 6, 2015 Beldon is the recomended, cat5 is ok though. Given a choice I would use Beldon The opinions I express are mine and are usually correct! (Except when I'm wrong)(which I'm not) Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39310-best-cable-for-rs485/#findComment-433921 Share on other sites More sharing options...
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