What is the best solution, without any additional external device, to detect a short-circuit (even transient) on a Profibus cable behind a TSXPBY100
Question:
Customers are commonly using the Profibus master “TSXPBY100” in the Premium PLC range.
Customers need to detect a transient or permanent short-circuit in order to ensure the good operation of the system.
Answer:
To detect a shortcut in the Profibus cable, a diagnostic information is available in the UNITYPRO object %IW0.3.0.243.
This FAQ informs customer that if at any time, a shortcut appears or disappears on the Profibus cable, the bit 15 of the diagnostic object %IWm.0.243 is set to 1.
This bit can be monitor regularly (every cycle) by the application of the PLC, to inform the operator that a cabling default appeared.
In this case, the operator will have to repair the Profibus cabling, and then reset the TSXPBY100 by power cycling the PLC. (power off + power on).
Example.
The PBY100 is located in the slot n°3 of the CPU rack.
Customers are commonly using the Profibus master “TSXPBY100” in the Premium PLC range.
Customers need to detect a transient or permanent short-circuit in order to ensure the good operation of the system.
- => What is the best solution, without any additional external device, to detect a short-circuit (even transient) on a Profibus cable?
Answer:
To detect a shortcut in the Profibus cable, a diagnostic information is available in the UNITYPRO object %IW0.3.0.243.
This FAQ informs customer that if at any time, a shortcut appears or disappears on the Profibus cable, the bit 15 of the diagnostic object %IWm.0.243 is set to 1.
This bit can be monitor regularly (every cycle) by the application of the PLC, to inform the operator that a cabling default appeared.
In this case, the operator will have to repair the Profibus cabling, and then reset the TSXPBY100 by power cycling the PLC. (power off + power on).
Example.
The PBY100 is located in the slot n°3 of the CPU rack.
Gepubliceerd voor: Schneider Electric Belgium
Hulp nodig?
Selecteer zelf het juiste product
Vind snel en eenvoudig de juiste producten en toebehoren voor uw toepassingen.
Offerte aanvragen
Dien uw aanvraag online in en een expert zal contact met u opnemen.
Verkooppunten
Vind eenvoudig de dichtstbijzijnde distributeur van Schneider Electric op uw locatie.
Help Center
Vind de antwoorden die u nodig heeft via bladeren door veelgestelde vragen over onderwerpen.