### S7-200 Series

Device | Bit Address | Word Address | 32 bits | Remarks
--- | --- | --- | --- | ---
English | German | English | German
Variables | - | VW00000-VW05118 |  |
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
Internal Marker | M00000.0-M00031.7 | MW00000-MW00030 |
Timer | - | T00000-T00255 | *3
Counter | - | C00000-C00255 | Z00000-Z00255 | *3

*1You cannot write to IW0 to IW2 depending on the CPU type. These addresses are reserved for onboard I/O. Please refer to the manual of your External Device for checking.

*2You can write in the QW and Q devices only when the External Device is in RUN mode. When the External Device moves to the STOP mode, the output will be 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 space.
  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