1 connecting the rs485 bus – KACO XP10U-H4 User Manual
Page 27
I n s t a l l i n g t h e I n v e r t e r
Installation Instructions blueplanet XP10U H4 / H6 and XP10U H4 / H6 PSD
Page 27
RS485
S0
ERR
B A B A + - + -
Ethernet
RCL
Figure 19: Connection area: Connection and pinout of the interfaces
7.4.1
Connecting the RS485 bus
blueplanet
Inverters
Terminal unit
blueplanet
Inverters
blueplanet
Inverters
Kaco
proLOG
Communication
120 VAC
Figure 20: RS485 interface wiring diagram
NOTICE
Diff erent manufacturers interpret the standard on which the RS485 protocol is based in diff erent ways.
Note that the wire designations (- and +) for wires A and B can be diff erent depending on the manufac-
turer.
NOTICE
Calculating effi
ciency by measuring the current and voltage values leads to unusable results due to the
tolerances of the measurement devices. The sole purpose of these measured values is to monitor the basic
operation of the system.