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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

DF1,CSP
Address

Modbus
TCP
,RTU
Address

FINS

Address

External

Data Type

Internal

IEC
Address

Internal
Data Type

Access

Register Name

Indirect Data Map

F18:n

9217 + b

D09216 + b

*

%MD18.n

*

*

Indirect Data Valuen

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

RMC75 Register Map Overview


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