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App index, Examples of setting commands, Checking the modbus operating status – Yokogawa Value Series FX1000 User Manual

Page 77

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2-13

IM 04L21B01-17EN

Using the Serial Communication Interface (/C2 and /C3 Options)

1

2

3

4

5

6

App

Index

• First/Last (FX channel numbers)

Enter the first and last channel numbers for I/O. The range of channels that you can

enter varies depending on the command type as follows:
R-M: C01 to C24, W: 001 to 012, W-M: 101 to 124

• Address

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

• Regi.

Set the register number of the slave.
For an input register, select in the range of 30001 to 39999 and 300001 to 365536.

For a hold register, select in the range of 40001 to 49999 and 400001 to 465536.

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

section 6.3.

• Type

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

FLOAT_L.

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

section 6.3.

Examples of Setting Commands

See page 1-45.

Checking the Modbus Operating Status

Displaying the Modbus Operating Status

◊ Press

DISP/ENTER and select INFORMATION > MODBUS MASTER.

Note

To display the

MODBUS MASTER on the screen selection menu, you need to change the

setting using the menu customize function. Operate as follows:
◊ Press

MENU

(to switch to setting mode), and select the

Menu

tab >

Menu customize

>

Display menu.

1. Select

INFORMATION > MODBUS MASTER

.

2. Press the

View soft key.

Address for a slave device

Register number

FX channels

Detail code

Status lamp

Cursor to select a command

(Used when resuming command transmission

to a slave device using the front panel keys)

Communication condition

2.6 Using Modbus to Read Data From and Write Data to Other Devices