ABB PVS-100 User Manual

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000839BG
5 - Installation
For long distance connections, the connection on terminal connector
is preferable using a shielded twisted pair cable with characteristic
impedance of Z0=120 Ohm like the one shown on the following table:
Signal Symbol
485-
485+
RTN
SHIELD
SHIELD
485-
485+
RTN
Positive data 485+
Negative data 485-
Reference RTN
Shield -
Shield continuity must be provided along the communication line and must be grounded in a
single point.
RTN
SHIELD
TO MONITORING
SYSTEM
485+
485-
The RS485 line can be used to set up a line of communication which,
when connected to a monitoring device, enables the operation of the
photovoltaic system to be kept under control. Depending on the device
used monitoring can be local or remote.
For information on installation, compatibility and use, please refer to the specic documentation
on the accessory components.

ABB PVS-100 Specifications

General

Brand	ABB
Model	PVS-100
Category	Inverter
Language	English