Device | Bit Address | Word Address | 32 bits | Notes
--- | --- | --- | --- | ---
Input Relay | X000 - X377 | X000 - X360 |  | *1 *2
Output Relay | Y000 - Y377 | Y000 - Y360 | *1
Auxiliary Relay | M0000 - M7679 | M0000 - M7664 |
Special Auxiliary Relay | M8000 - M8511 | M8000 - M8496
State | S0000 - S4095 | S0000 - S4080
Timer (Contact) | TS000 - TS511 | ------ |
Counter (Contact) | CS000 - CS255 | ------ |
Timer (Current Value) | ------ | TN000 - TN511 |
Counter (Current Value) | ------ | CN000 - CN199 CN200 - CN255 | *3
Data Register | ------ | D0000 - D7999 | *4 *5
Special Data Register | ------ | D8000 - D8511
Extension Register | ------ | R00000 - R32767 | *6

*1Specify word address only for the divisible value by 20oct. (Example: X0, X20, X40..., X360) *2Writing cannot be made to the address, where Input Terminals are allocated on External Device, from Display. *3CN200 to CN255 are 32-bit length counter. Do not step over 32-bit counter to specify the counter address. For example, when you read or write more than 2 words from CN199, error messages such as "Out of range devices exist in write devices (Address: (Device Address))" or "Out of range devices exist in read devices (Address: (Device Address))" are displayed. *4D1000 to D2499 in FX1S Series and FX0N Series are file registers. You can specify the file capacity by the ladder software to access to the file register. When you access the address of the nonexistent file register, error response (error code: 06(0x06)) will be returned from External Device. *5Do not step over the special data register to specify the data register address. For example, when you read or write more than 2 words from D7999, error messages such as "Out of range devices exist in write devices (Address: (Device Address))" or "Out of range devices exist in read devices (Address: (Device Address))" are displayed. *6Supported only by FX3UC, FX3U, FX3G and FX3GC.

NOTE

- Please refer to the precautions on manual notation for icons in the table.
  Supported Devices Symbol and Terms