DOCA0142EN-10

Read Device Registers

Description

The READ DEVICE REGISTERS page allows you to read Modbus registers from the selected device.

Read Procedure

Step

Action

Result

1

From the IFE menu bar, click Diagnostics .

Opens the Diagnostics menu.

2

From the Diagnostics menu, in the Communication submenu, click Read Device Registers .

Opens the Read Device Registers page.

3

Select the data type from Data Type drop-down list.

Selects the appropriate data type.

4

To change how Modbus data is displayed in the Value column, select Decimal , Hexadecimal , Binary , or ASCII .

Selects how the data values are displayed.

5

Click Read .

Reads the device registered according to the selected configuration.

IFE Read Device Register Parameters

Parameter

Description

Settings

Device Name

Selects a device to read from the list of previously added devices. A Modbus interface device of a Modbus client IFE interface not defined in the device list can be read by entering its local ID number.

NOTE: The interface device of a remote device not defined in the device list cannot be read by entering its local ID number.

Local ID

The address (local ID) of the device that is to be read.

255

NOTE: You cannot change the local ID.

Starting Register

Register number in decimal.

0–65535

Factory setting: 1000

Number of Registers

The number of registers to read.

1–125

Factory setting: 10

Register

Lists the register numbers in decimal.

Value

Lists the data stored for a register. Values retrieved depend on the device connected to the IFE interface. Refer to the documentation for the connected device for more information about stored register values.

Data Type

Lists the data types available for the device.

  • Holding Registers (Factory setting)

  • Input Registers

  • Output Coils

  • Input Coils

Decimal, Hexadecimal, Binary, or ASCII options

Select an option to specify how the value column data is displayed.

Decimal (Factory setting)

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