LS IS7 Com RNet eng.pdf

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User Manual
RNet Option Board
SV-iS7 Series
* Use this board after read Safety Instruction of this manual carefully before
using and follow the instructions exactly.
* Please hand this user manual to end user and trouble shooting manager
* After read this manual, keep it at handy for future reference .
LS Industrial Systems
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SV-iS7 RNet Manual M
Before using the product, thank you for using our SV-iS7 RNet Option Board.
Safety Instruction
z To prevent injury and danger in advance for safe and correct use of the product, be sure
to follow the Safety Instructions.
z
The instructions are divided as ‘WARNING’ and ‘CAUTION’ which mean as follow.
This symbol indicates the possibility of death or
serious injury.
WARNING
CAUTION
This symbol indicates the possibility of injury or
damage to property.
z
The meaning of each symbol in this manual and on your equipment is as follows.
This is the safety alert symbol.
This is the dangerous voltage alert symbol.
z After reading the manual, keep it in the place that the user always can contact easily.
z Before you proceed, be sure to read and become familiar with the safety precautions at
the beginning of this manual. If you have any questions, seek expert advice before you
proceed. Do not proceed if you are unsure of the safety precautions or any procedure.
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SV-iS7 RNet Manual
WARNING
z Be cautious about dealing with CMOS elements of option board.
It can cause malfunction by static electricity.
z Connection changing like communication wire change must be done with power
off.
It can cause communication faulty or malfunction.
z Be sure to connect exactly between Inverter and option board.
It can cause communication faulty or malfunction.
z Check parameter unit when setting parameter.
It can cause communication faulty.
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SV-iS7 RNet Manual M
1. Introduction
RNet communication board makes the connection between PLC of LSIS and SV-iS7
inverter by a fast series communication so that PLC sequence program can control the
inverter by high speed communication operation of 1 Mbps. Controlling and monitoring
inverter by PLC sequence program makes it easier to install and modify the system.
A number of inverters can be connected by two communication lines so that saving
installation time through simple wiring and easy replacement can be possible. Using extra
devices of PLC and connecting with various systems including PC, the factory automation
can be easier.
2. Technical date for RNet communication board
Item
Specifications
Transmission Speed
1Mbps
Manchester Bi-phase-L
Frame synchronization type
Encoding type
Transmission distance
(*1:per segment)
Maximum 750m
Transmission distance
(If repeater is used)
Maximum 750m x (6 repeaters +1)
= 5.25km
Twisted pair shielded cable
RNet dedicated cable
Cable name: LIREV-AMESB 1 φ
(PC 717 6705)
Manufacturer: LS Cable
Electric
Transmission route
Terminal 120.8ohm 1/2W
with an error range of 5%
Built-in RNet communication board
Network
terminal resistance
Master + Slave = 64 points
Master point : 0,Slave points :1~63
Maximum points per station
Maximum protocol size
256 bytes
Field Bus standard
IEC TC65 / SC65C / WG6 65C 90.8
Frame format
Access method to service zone
Token Passing
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SV-iS7 RNet Manual
Item
Specifications
Connection Oriented Service
Connectionless Service
Communication type
Frame error check
CRC16
*1) Segment
It means local network connecting all stations using the same Token without using any
connecting devices (Gateway, EOC, and repeater).
3. RNet cable connection
Communication
terminal name
Description
TRX-
Communication signal terminal N
Communication signal terminal P
TRX+
SG
Shield/Signal Ground
Communication signal terminal N
TRX-
TRX+
Communication signal terminal P
9 Each two TRX-, TRX+ signals are connected in parallel.
9 When installed at terminal, if you turn on the 1 switch of RNet communication board,
terminal resistance of 120.8Ω, 1/2W is connected to communication signal terminal
(TRX- and TRX+).
9 Frame Ground is connected with inverter body. If inverter body is put to earth, SHIELD
line is to be connected to Frame Ground.
4. Product Constituents
-. RNet communication board: 1
-. RNet manual: 1
-. Fixed Screw (M3): 1
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