Delta RMC151 - Manual (Page 1035)

9 Register Reference
Devices
DF1 F56:0 Multi-level
Modbus 28673 Flat
FINS D28672 Flat
IEC %MD56.0 Multi-level
Viewing Addresses in RMCTools
RMCTools displays the addresses of many registers, such as in the Axis Tools. To change
the address format, right-click any register address cell, choose Address Formats, and
choose the desired format.
Using Addresses in Expressions
The Expressions in RMCTools typically use tag names for the RMC registers, although the
IEC address format can also be used. Certain infrequently-used registers can only be
addressed with the IEC format.
For backward compatibility with older RMCTools versions, the DF1 address format can be
used. Delta does not recommend using the DF1 format in expressions, and RMCTools
does not support bit addressing with the DF1 format.
Address Formats from External Devices
Several of the address formats can be used from an external controller, such as a PLC.
The communication protocol determines which format will be used. For details, see the
specific address format.
Multi-level vs. Flat Addresses
Some of the address types are multi-level. This means that the address of any 32-bit
register consists of two numbers, for example, F8:0. The first number is called the file.
The second number is called the element.
A flat address format has only one number. For example, 4192.
9.3.2. DF1 Addressing
This topic describes the Allen-Bradley DF1 addressing format as used by the RMC. For other
addressing formats, see the Register Map Overview topic.
The DF1 address format must be used when communicating with the RMC75S via DF1 (Full-
and Half-Duplex) and when communicating with the RMC75E or RMC150E via CSP or
EtherNet/IP.
Address Format
The DF1 address format for the registers in the RMC is:
Fn.x or Ln:x
where n = File number and x = the register number.
Example
For the RMC70, F8:8 is the Axis 0 Actual Position, and F8:0 (or L8:0) is the Axis 0 Status.
Supported File Types
The RMC uses F and L files for the DF1 protocol. The DF1 protocol specifies F files as 32-
bit floating point registers and L files 32-bit integers.
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