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Chapter 11
Communication
11-1
Cx2000 AC Drive
11. Communication
11.1 Introduction
This chapter describes specification, installation and operation instruction for communication between
inverter and PC or FA computer. The communication of LTVF-Cx2000 inverter makes use of PC or F
A computer (hereinafter called computer) remote operation or monitoring LTVF-Cx2000 inverters.
Features:
Inverter can be easily applied for factory automation because operation and monitoring is available by
User-program
Parameter change and monitoring is available via computer. (Ex: Accel/Decel time, Freq. Command
etc.)
Interface type of RS485 reference:
1) Allows the inverters to communicate with any other computers
2) Allows connection of up to 16 inverters with multi-drop link system
3) Noise-resistant interface
Through RS232-485 converters in market, communication can be achieved between inverters and
computer inside RS-485, and the specifications and performances of converters may vary with
manufacturers. However, the basic functions are the same; refer to the converter manual for detailed
specifications from manufacturers.
Note
Before installation and operation, this should be read thoroughly. If not, it can cause personal
injury or damage to other equipment.
11.2 Specification
Item
Specification
Item
Specification
Communication type
RS-485
Control type
Asynchronous
communication system
Transmission type
Bus type, multi-drop
Communication
pattern
Half-duplex system
Inverter type
LTVF-Cx2000 inverter
Symbol system
ASCII (8 bit)
Converter
RS-485 converter
Sum check
2 bits
Connection number
Up to 16 sets
Parity check
None/Even/Odd
Transmission distance
Max 1200 (recommended 700m or less)
Communication speed
Option: 38400/19200/9600/4800/2400/1200 bps
Stop bit length
Modbus-RTU : 2 bit
Installation type
Connection to special terminal (S+, S-) on the keypad.
Power supply
Separated from the inverter
Содержание C*2000 Series
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