375
RS-485RS-232
VS
Slave
VS
Slave
VS
Slave
VS series
PLC
VS series
PLC
VS series
PLC
VS series
PLC
VS series
PLC
VS
Master
VS
Master
7-3-3 VS Computer Link Master
When the VS PLC’s communication port has been set to the application type of the “VS Computer Link Master”, it
should cooperate with the LINK instruction and a LINK communication table to operate communication procedures.
This Master PLC links and communicates with Slaves through the “VS Computer Link protocol” (hereby referred to as
the VS Protocol).
It is available to connect with several VS PLCs by the RS-485 interface.
Select one of these linked PLCs and set its application type as the “VS Computer Link Master” (this application type).
This PLC is referred to as the Master station and the other PLCs are the Slaves. Therefore, all the Slave PLCs should
set the application type as the “VS Computer Link Slave”. The only one Master station of the connected PLCs should
cooperate with the LINK instruction (FNC 89) and a LINK communication table to designate its data transferring
between the Slave and Master.
Through this, the Master can sequential read and store data for all the Slave PLC stations on the net, therefore reaches
the purpose of data transmission.
This application type is suitable for sharing a large amount of data between PLCs.
Selectable: 300/600/1200/2400/4800/9600/19200/34800/57600/115200 bps.
VS Compurter Link Protocol (hereby referred to as VS Protocol)
Half-duplex
Bits-per-character: 8 bits; parity check: None; stop bit: 1 bit
Up to 15 meters
Non-isolated: 50 m.; Isolated: 1 km.
1 Slave station only
Max. 256 stations (For more than 32, add
repeater(s) in the circuit is required)
CP1: Main Unit built-in
CP2~CP5: VS-D485-EC, VS-D485A-EC
CP2, CP4: VS-485-EC, VS-485A-EC, VS-D52A-EC(CH1)
CP3, CP5: VS-ENET-EC(CH2)
VS Series PLC (including VS1, VS2, VSM and VS3)
All the X, Y, M, S, T, C, D, R are included
Item
Specification
RS-485RS-232Communication Interface
Communication Protocol
Commection Method
Communication Paramete
Baud Rate
Distance
No. of Slave Stations
Linking Equipment
Available Model
Transferable Device
CP2~CP5: VS-D232-EC
CP3, CP5: VS-D52A-EC(CH2)
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