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