RMC75 Registers, Files 17-18: Indirect Data Map Registers
Use the Indirect Data Map Editor to edit the Indirect Data Map.
TheIndirect Data Mapregisters (%MD18.0 - %MD18.31) are the registers that should be accessed at runtime by a PLC when reading or writing the Indirect Data. The Indirect Data Map Definition (registers %MD17.0 - %MD17.31) contains the addresses of the referenced registers, not the data. Reading or writing to these registers will not access the Indirect Data via a PLC.
Tip:
For the DF1/CSP addressing format, all 'F' type registers (32-bit floating
point) can also be read as 'L' type (32-bit word) registers. This is very
useful when reading registers with DWORD or DINT external data types.
n = Data Item (0-63)
b= 2 xn
AB |
Address |
External |
Internal IEC |
Internal |
Access |
Register Name |
|
---|---|---|---|---|---|---|---|
Indirect Data Map |
|||||||
F18:n |
9217 + b |
D09216 + b |
* |
%MD18.n |
* |
* |
|
Indirect Data Map Definition |
|||||||
F17:n |
8705 + b |
D08704 + b |
REAL |
%MD17.n |
DINT |
Read/Write |
Indirect Data Map Entry 0 |
*The Access and Data Types of the Indirect Data Values registers are determined by the mapped registers.
See Also
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