Rotary Switch - Hitachi EH-RMP2 Applications Manual

4.1.2 Rotary switch

In case of standard mode, the input / output sizes of PROFIBUS network is set by rotary switch. In case of
compatible mode, the input / output sizes of PROFIBUS are fixed at 256words / 256words in spite of setting of this
switch.
Value
Please set rotary switch to 0 if you use auto addressing function with use of the SYCON.net. If you map each slave
I/O address including offset address, please set rotary switch value 1, 2, 3 or 4. When actual input / output sizes
exceed setting sizes, EH-RMP2 detects error. (For the offset address, please refer to "4.3 Offset address". )
The input / output area other than the data area mapped by the Configurator are ensured the
system area by the setting of the rotary switch.
When setting the rotary switch as 1 to 4 at the time of a standard mode, please don't use the
!
CAUTION
input / output area other than the data area. When setting the compatible mode, regardless of
the setting of the rotary switch, please don't use the input / output area other than the data
area.
Table 4.1.2-1 The input / output sizes of PROFIBUS network
Network size
0 Variable size
1 64W / 64W fixed
2 128W / 128W fixed
3 256W / 256W fixed
4 512W / 512W fixed
5
6
7 Variable size
8
9
Input size Output size
512 words max 512 words max
64 words 64 words
128 words 128 words
256 words 256 words
512 words 512 words
512 words max 512 words max
4 – 3
Chapter 4 Operation