User guide

3-11

M-4662

UsingtheSerialInterface

App

Index

• First/Last(MVchannelnumbers)

Enter the first and last channel numbers of input/output. The range of channels that

you can enter varies depending on the command type as follows:

R: 201 to 440, R-M: C01 to C60, W: 1 to 48, W-M: 101 to 160

• Address

Enter the slave device address in the range of 1 to 247.

• Regi.

Set the slave register number.

Enter an input register in the range of 30001 to 39999 and 300001 to 365536 or a hold

The register numbers that you can specify vary depending on the command type. See

section 7.3 for details.

• Type

The data type.

Select INT16, UINT16, INT32_B, INT32_L, UINT32_B, UINT32_L, FLOAT_B, or

FLOAT_L.

The data type that you can specify vary depending on the command type. See section

7.3 for details.

ExampleofEnteringCommands

See section 2.9.

CheckingtheModbusOperatingStatus

DisplayingtheModbusOperatingStatus

◊ Press DISP/ENTER and then select INFORMATION > MODBUSMASTER

Note

To display the MODBUS MASTER on the display selection menu, you need to change the

setting using the menu customize feature. Carry out the following steps.

◊ Press MENU and then select Menu tab > Menucustomize > Displaymenu

1. Select INFORMATION > MODBUSMASTER using the arrow keys.

2. Press the View soft key.

Slave device addresses

MV channels

Detail code

Status lamp

Cursor used to select a command

(Used to resume command transmission from the front panel keys)

Communication conditions

3.5 Reading/Writing Data on Another Device from the MV via Modbus