Delta RMC151 - Manual (Page 508)

RMC70/150 and RMCTools User Manual
1-7)
(Prm_Data)
Parameters (bytes
8-13)
(User_Prm_Data)
00 00 00 xx*
02 20
00 00 00 xx*
02 10
00 00 00 xx*
02 08
00 00 00 xx*
02 04
* The xx parameter can be 00 or 01 and selects whether the least-significant word comes
first (00) or most-significant word comes first (01).
Notice that some masters will not support the larger I/O modes.
Using the I/O Modes
1. Configure the PROFIBUS communications
Configure the PROFIBUS communications as described in the PROFIBUS configuration
topic.
2. Set up the Indirect Data Map
Once you have chosen the mode and configured the PROFIBUS communications, you will
need to set up the RMC's Indirect Data Map for the data you wish to continuously send to
the PLC. For details, see the Indirect Data Map topic.
Keep in mind that the first n registers of the Indirect Data Map will continuously be sent
to the PLC.
Example
A user decides to use I/O Mode (4 regs). This means that the first four items of the
Indirect Data Map will continuously be sent to the PLC. The user wants the PLC to
monitor the following:
• Axis 0 Status bits
• Axis 0 Actual Position
• Task 0 Status
• Task 0 Current Program
Therefore, the user would add these items to the Indirect Data Map. The Indirect Data
Map editor will then look like this:
It is important to check the External Data Types of the registers used in the register
map, and treat them accordingly in the master controller.
3. Set Up the Variable Table
The PLC's Output Data will be continuously sent to the first n registers in the RMC's
Variable Table. You should add tag names to each data item and make sure the Data
Type is set correctly.
Example
A user decides to use I/O Mode (4 regs). This means that the PLC's Output Data will
consist of four registers that will be continuously sent to the first four items in the
RMC's Variable Table. The user wants the PLC to send the following four data items to
the RMC:
488 Delta Computer Systems, Inc.