DirectWriteBit Tag Command

Introduction

The DirectWriteBit tag command writes a bit value directly to a data source. A data source can any of the following:

DataAddress : ANY_STRING: The address of the data in the data source. The format of this parameter depends on the type of data source. See the remarks section to determine which format to use.
Value : BOOL: The value to write.

The DirectWriteBit tag command writes a single bit directly to a data source.

To use the DirectWriteBit tag command both of these conditions must be met:

The format of the DataAddress parameter depends on the type of data source. Use this table to choose the appropriate format for each data source:

Data Source Tag	DataAddress Format
Allen Bradley PLC	Allen Bradley PLC Data Address Format
Idec Micro PLC	Idec Micro PLC Data Address Format
Mitsubishi Melsec PLC	Mitsubishi Melsec PLC Data Address Format
Modbus Device	Modbus PLC Data Address Format
MQTT Connection	MQTT Topic name
Omron PLC	Omron PLC Data Address Format
Siemens S7 PLC	Siemens S7 PLC Address Format

You can execute DirectWriteBit tag command from:

Fernhill SCADA Version	Version 2.3
Required User Right	DirectWrite

The DirectWriteBit tag command can be used with these tag types:

For information about writing an array of bytes to a data source.

For information about writing a text string to a data source.

For information about writing an array of words to a data source.