Use the READ_NUA_DDT function block to access diagnostic information of the BMENUA0100 module.

The Start, addr_nua, and refresh_period input parameters define the operation.

EN and ENO can be configured as additional parameters

FBD Representation

Input Parameters

Parameter

Data Type

Description

EN

BOOL

This parameter is optional. When this input is set to one, the block is activated and can solve the function blocks algorithm. When this input is set to zero, the block is deactivated and won’t solve the function block algorithm.

Start

BOOL

The read of the BMENUA0100 DDT is continuous.

addr_nua

string[32]

Address of the BMENUA0100 module given to ADDMX() for read.

Fixed length string containing the address of the destination BMENUA0100. The address is the result of the ADDMX function. (For example: ADDMX(0.0.3{192.168.10.2}100.TCP.MBS) indicates the module at IP address 192.168.10.2, with UnitId 100 (local server of the module), connected to the embedded Ethernet port.

refresh_period

TIME

Refresh period of the DDT.

Output Parameters

Parameter

Data Type

Description

ENO

BOOL

This parameter is optional. When you select this output you also get the EN input. ENO output is activated upon successful execution of the function block.

Done

BOOL

Communication is completed.

Active

BOOL

Communication is in progress.

Error

BOOL

Detected error on communication FB.

BME_NUA

T_BMENUA0100

The BMENUA0100 DDT that can be used as it is.