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CHAPTER 5 - MODBUS-RTU COMMUNICATION
5.1 Introduction
This manual is about the specifications, installation and operation of MODBUS-RTU for communication
with PC or FA computer.
5.1.1 Features
Easy use of drives in Factory Automation by user programming
Change and monitoring of drive parameters using computer
5.1.2 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. Because the specifications of converters depend on the manufacturers,
please refer to the manual for detailed converter specifications.
5.1.3 Before
Installation
Before installation and operation, this manual should be read thoroughly. If not, it can cause personal
injury or damage other equipment.
5.2 Specifications
5.2.1 Performance
Specifications
Items
Specifications
Communication method
RS485
Transmission form
Bus method Multi-drop Link System
Applicable inverter
ACTIONMASTER series drive
Number of drives
Maximum 31 drives connectable
Transmission distance
Max. 1200m
5.2.2 Hardware
Specifications
Items
Specifications
Installation
S+, S-, CM terminals on control terminal strip
Power Supply
Insulated from the inverter power supply
5.2.3 Communication
Specifications
Items
Specifications
Communication speed
19200/9600/4800/2400/1200 bps selectable
Содержание SV008ACtionMaster-2
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