User’s Guide
THEIA S String Inverters
357100.013
, Issue
2.0
, 2010 Aug
15
Network Terminals
Figure 7 Layout of network terminals
(1)
Terminal connector
(2)
EIA485 network terminals
(3)
PC interface to EIA232 (exclusively for service purposes)
(4)
Terminal B (pin 3)
(5)
Terminal A (pin 6)
(6)
Jumper for integrated terminator
(7)
Relay output for external indicator (alarm contact)
Connection in the Network
Figure 8 Network layout
(1)
Jumper for engaging the terminator
Establish connection to network as follows:
•
Connect the inverters to each other at serial interface EIA485, using a cable with
RJ45 plug connectors or a cable on the terminal connector (see Figure 7)
•
Connect a terminator at each open end of the network.
- Fasten the wire jumper at pins T and B of the plug connector with screw clamps
supplied with the system
