Commissioning
CU8130-0240
21
Version: 1.1
6.3
Communication
There are several ways to communicate with the UPS, for example to query the status or to control the
device state until shutdown.
The following options are available:
• Protocol-based communication via UPS-OCT (One Cable Technology) or USB.
• Digital signals for communication with non-protocol-capable end devices.
• TwinCAT PLC function blocks for querying the UPS operation.
The configuration and diagnosis of the UPS-OCT or USB communication method is carried out via the
Beckhoff UPS software on Windows 7 or Windows 10.
6.3.1
Connection via UPS-OCT
A special feature of the Beckhoff CU8130-0240 UPS is OCT (One Cable Technology) as a communication
technology between UPS and Industrial PC. The two connection cables (+24 V, 0 V) between the Industrial
PC and the UPS are used to supply power to the Industrial PC and for bidirectional, modulated data
transmission.
Fig. 11: Example of a connection via UPS-OCT with a CU8130-0240 UPS and a CX5240 Embedded PC.
Only the U1out interface of the UPS supports UPS-OCT communication. If you wish to use the UPS-OCT
technology, you must ensure that the Industrial PC supports UPS-OCT. You can use the U1out interface to
retrieve status data for diagnostic purposes or to configure the UPS.
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