Mitsubishi Electric MELSEC FX2N-32DP-IF, Hardware Manual

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FX2N-32DP-IF Profibus-DP Interface Unit Introduction 1
1-8
1.3.3 Configuration Rules Reference
Further information for the Configuration Rules can be found in FX
2N
-32DP-IF User’s Manual.
1) Total I/O points on the system
≤
256 points
The following (a ~ c) I/O points must be a total of 256 points or less.
For I/O point allocation for each extension unit/block and each special function unit/block,
refer to FX
2N
-32DP-IF User’s Manual.
a) Count I/O points for the extension units/blocks (including additional occupied points).
b) Count the occupation I/O points for special function units/blocks.
A 32DP-IF can connect a Maximum of 8 special function blocks.
c) Count I/O points for FX
2N
-32ASI-M’s active slaves.
2) Supply 24V DC (total internal and service power supply) and 5V DC to the extnsion I/O
blocks and special function units/blocks from the 32DP-IF or exteniosn I/O units.
If 24V DC and 5V DC is not supplied to both special function blocks and extension I/O
blocks, the hardware configuration will need to be changed.
For power consumption, refer to FX
2N
-32DP-IF User’s Manual.
3) Total exchange data length
≤
200 bytes
(or DP master’s maximum exchange data length if
≤
200 bytes)
The following (a, b) exchange data must be a total of 200 bytes (or DP master’s maximum
exchange data length if
≤
200 bytes) or less.
For exchange data length, refer to FX
2N
-32DP-IF User’s Manual.
a) Total exchange data for extension I/O units/blocks.
b) Total exchange data for special function units/blocks.