Description

This function issues a read operation of the specified item to the field device. An optional delay can be specified. The result is received asynchronously from the field and therefore not returned by this function. Only data points related to field level interfaces are supported.

Signature

nxa.ReadValue (string, number)

Parameters

Name	Type	Mandatory/Optional	Description
	string	M	itemID of the item that shall be read
	number	O	delay in milliseconds (optional)