PowerWalker Modbus Card 2 - Manual

1
Modbus Card Quick Guide
V.2.5
Thank you for purchasing Modbus Card. This manual contains instructions and warnings that
should be followed during the installation, operating and storage of the card. Please keep this
manual for further reference.
Special Precautions

If the card must be stored prior to installation; storage must be in a dry place
 The admissible storage temperature range is from -10ºC to +70ºC.
1. Product Overview

RS-485 port

Golden finger

Address switch

Communication setting

Resistance switch
2. Product Introduction
The Modbus card provides UPS and PV inverter systems with the functionality of communication
with PCs through MODBUS protocol:
 Implements MODBUS RTU protocol
 Provides MODBUS functions including read Holding Registers and write Registers.
 Provides RS485 interface
 Provides surge protection