www.pulsar.pl
PSBEN101A2D/LCD
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5.3 Communication in RS485 network.
Another kind of network communication is the RS485 that uses a two-wire transmission line. To implement
this kind of data exchange, the PSU needs to be equipped with the additional RS485-TTL ”INTR” interface which
converts data from the PSU into the RS485 standard and the USB-RS485 ”INTUR” one that converts data from the
RS485 network into a USB. These interfaces feature full galvanic isolation and protection against surges.
Fig. 23. RS485 communication with the use of the interfaces: ”INTR” and ”INTUR”.
5.4 USB-TTL communication.
If the PSU does not cooperate with any of previously mentioned network and the access to the parameters’
adjustment and memo readings are necessary, the USB-TTL ”INTU” needs to be used. This interface allows direct
connection between the computer and the PSU and it is recognisable by the operating system as a virtual COM
port.
Fig. 24. USB-TTL communication with the use of the USB-TTL ”INTU” interface.
5.5 ”Power security” program.
”Power security” is a computer program that has been created for displaying and analysing the information
sent from the PSU installation spots. Here is its front panel:
Fig. 25. Front panel of “Power security” program.
