Specification - LG SV-iS5 User Manual

1.
INTRODUCTION
By using a MODBUS-RTU Option board, SV-iS5 inverter can be connected to a MODBUS-RTU network.
1.1.
When you use the MODBUS-RTU Option Card ...
Inverter can be controlled and monitored by the sequence program of the PLC or other master module. The
card provides a terminal block for an RS-485 interface. Up to 32 drives or other Modbus slave devices may
be connected in a multi-drop fashion on the RS-485 Modbus network and may be monitored or controlled by
a single PLC or PC.
1.1.1 Interfacing type of RTU Reference:
- Allows the drive to communicate with any other computers.
- Allows connection of up to 31 drives with multi-drop link system.
- Ensure noise-resistant interface.
Users can use any kind of RS232-485 converters. However a converter that has built-in 'automatic RTS
control' is highly recommended. The specifications of converters depend on the manufacturers. Refer to the
converter manual for detailed converter specifications.
1.1.2 Before Installation
Before installation and operation, this manual should be read thoroughly. If not, it can cause personal injury
or damage other equipment.
2.

SPECIFICATION

2.1.
Performance specification
Items
Communication method
Transmission form
Applicable inverter
Number of drives
Transmission distance
Converter
2.2.
Hardware Specifications
Items
Installation
Power Control B/D
Supply
Comm. B/D
RS485
Bus method Multi-drop Link System
IS5 series drive
Maximum 31 drives connectable
Max. 1200m (Less than 700 m recommended)
RS232-485, Use PC with RS232 card embedded
Specifications
CN2 connector on the inverter control board
From inverter power supply
From control board (insulated)
1
Specifications
modbus-rtu iS5 manual.doc