Modbus card quick guide – PowerWalker Modbus Card 2 User Manual

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Modbus Card Quick Guide

V.2.5

Then, follow below diagram to connect personal computer:

Using RS-485 to RS-232 converter

Use RS-485 to Modbus/TCP converter

5. Multiple Monitoring

One modbus card only can be used in one UPS at the same time. When each UPS installed with
one modbus card, up to 31 UPSs can be monitored from one computer.