S7-200 Series

SIMATIC S7 Ethernet

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S7-200 Series

Device	Bit Address		Word Address		32 bits	Remarks
Device	English	German	English	German	32 bits	Remarks
Variable	V00000.0 - V10239.7		VW00000 - VW10238
Input	I00000.0 - I00015.7	E00000.0 - E00015.7	IW00000 - IW00014	EW00000 - EW00014		^*1
Output	Q00000.0 - Q00015.7	A00000.0 - A00015.7	QW00000 - QW00014	AW00000 - AW00014		^*2
Marker	M00000.0 - M00031.7		MW00000 - MW00030
Timer	-----		T00000 - T00255			^*3
Counter	-----		C00000 - C00255	Z00000 - Z00255		^*3

^*1Writing to the addresses IW0 to IW2 is disabled, depending on the CPU type. These addresses are reserved for onboard I/O.

^*2Only when the External Device is in the EXECUTION mode, writing to the output device is enabled. When the External Device switches to the STOP mode, the output device is reset.

^*3Write disable.

NOTE

The size of the address area used by BLUE's STRING variable depends on the device that is set.
Variable device: Same specification as the STRING data type of the External Device. When Number of byte is set to 10, the driver uses a 11-byte address area.
Other than Variable device: Use the address area as set by the number of bytes in the STRING variable.
Please refer to the precautions on manual notation for icons in the table.

Supported Devices Symbol and Terms