Manuals > Device Connection Guide > Yokogawa Electric > Connection Procedure (RS-232C) > FA-M3

overview

This is a setting example for connecting to the FA-M3V series via RS-232C.

Model used

item	Model etc.
PLC	FA-M3V SP71-4S
Communication Unit	LC11-1F

Configuration environment

item	environment
OS	Windows8 Professional 64Bit

Configuration details

item	setting	Setting items	Configuration Example
PLC side settings	Set with switch	Transmission speed	19200bps
		Byte Size	7bit
		Stop bits	1bit
		parity	Even
		Sum Check	can be
PC settings	Unit Settings	COMPort	Communication port number to connect to
		Transmission speed	19200bps
		Byte Size	7bits
		Stop bits	1bits
		parity	Even
		Sum Check	can be
	Folder and communication test settings	CPU Number	01
	Folder and communication test settings	Station Number	01

* Most of the settings on the computer will be adjusted to match the settings on the unit.

PLC side settings

Set up the "LC11-1F". Settings are made using the side switch.

1.Set the switch as follows:

c_plc_0283

switch	explanation	Setting contents
SW1	Transmission speed setting *The setting on the right is "19200bps"	7
SW2-1	Character Length ※The setting on the right is "7bps"	OFF
SW2-2	With or without parity *The setting on the right is "Yes"	ON
SW2-3	Parity even/odd ※The setting on the right is "Even"	ON
SW2-4	Stop bits ※The setting on the right is "1bit"	OFF
SW2-5	Checksum *The setting on the right is "Yes"	ON
SW2-6	Termination character specification * Set to "None" on the right	OFF
SW2-7	Protection function * Set to "None" on the right	OFF
SW2-8	Security Features * Set to "None" on the right	OFF

PC settings

Use the Server application to connect to the PLC for which you have set up communications.

1.Right-click "Application" - "Driver" in the tree and select Add Driver.

2.Select the following units from the displayed driver list and add them:
c_plc_0284

3.Open the properties of the added unit (U01) and click Communication Settings.
c_plc_0285

4.Set "Communication Settings" as follows:
c_plc_0286

setting	Setting contents
COMPort	Communication port number to connect to
Transmission speed	19200
Byte Size	7bits
Stop bits	1bits
parity	Even

5.USB-RS-If you are using a 232C conversion cable, the COM port may be locked in the event of a communication error, so check the reopen setting.
c_plc_0287

6.Perform a connection test to check the connection
c_plc_0288

If a message such as "Connection OK" is displayed, the connection is confirmed to be OK.

Connection example [FA-M3V series]

Connection example [FA-M3V series]