1-10 1. Before Connecting to PLC
V-SFT Setting (1 : 1 Connection)
For serial communications, the following settings on the V-SFT editor are required.
The settings in the [Select PLC Type] and [Comm. Parameter] dialogs are shown on the Main Menu
screen of the V7 series. (For more information, refer to “Chapter 6, MONITOUCH Operations” in V7
Hardware Specifications.)
PLC Selection
Select the PLC that is connected.
• Setting Procedure
[System Setting] → [PLC Type] → [Select PLC Type] dialog
Communication Parameter Setting
The communication parameter setting is essential for successful communications between the V7
series ↔ PLC. Check the communication parameter setting on the PLC before making the setting on
MONITOUCH.
• Setting Procedure
[System Setting] → [Comm. Parameter] → [Comm. Parameter] dialog
• Setting Items
[Connection] (1 : 1 / 1 : n / Multi-Link / Multi-Link 2)
Select the type of connection between the V7 series and the PLC. There are four types
available. Depending on the selected type, the setting items in the [Comm. Parameter] dialog
or those for the memory vary.
Select [1 : 1] for 1 : 1 connection.
[Local No.]
Set the port number of the PLC.
[Trans. Mode] (Trans. Mode 1 / Trans. Mode 4)
When the PLC has a transmission mode setting, set the same on the V7 series.
This setting must be used for PLCs of MITSUBISHI, OMRON, HITACHI, YOKOGAWA, Toyoda
Machinery and YASKAWA.
[Baud Rate] [Signal Level] [Data Length] [Stop Bit] [Parity]
Make the same setting as the PLC. (Refer to “Chapter 2” and later.)
[Baud Rate] (4800, 9600, 19200, 38400, 57600, 76800, 115 kbps)
Set the same communication speed as the PLC.
[Signal Level] (RS-232C/RS-422)
Set the same communication interface as the PLC.
[Data Length] (7-bit/8-bit)
Choose either data length for communication.
[Stop Bit] (1-bit/2-bit)
Choose either stop bit for communication.
[Parity] (None/Odd/Even)
Choose any of the parity options for communication.
[Send Delay Time] (0 to 255) (Unit: ×1 msec)
Set a time delay in sending the next command to the
PLC after receipt of a response from the PLC.
Normally use the default setting.
PLC
MONITOUCH
Send delay
time “t”
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