User guide

RMC100 and RMCWin User Manual
5-264
Reading from the RMC100
To read data, first use the BIDOUT instruction to request the data, then use the BIDIN instruction
to read the data.
The Head number of the data sent to the RMC100 is designated by (S2) in the BIDOUT
instruction. The data must be according to the following format:
Each box is a 16-bit word.
Count: The number of registers to read.
Address: The address of the first register to read. The address follows the PROFIBUS address
format. See the PROFIBUS Register Map topic in the RMCWin help for details.
After receiving the request, the RMC100 will return the requested data. The BIDIN instruction is
used to read the data. The X3 bit in the QJ71C24 will turn on when there is data available to be
read from the QJ71C24 buffer. To read the returned data, (D1) in the BIDIN instruction indicates
the head number of the device to store the data in.
Writing to the RMC100