1 Features and System Configuration
1-16
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Note 1 These functions are implemented as of Unit version 2.0.
2 These functions are implemented as of Unit version 3.0.
3 The maximum data length for messages which are redirected to the PROFIBUS network is 1004 bytes.
4 Although the Unit device address can be set to address 0, this number should not be used, since this num-
ber is reserved in message communications.
I/O Data Number of I/O module definitions 4000 max. over all configured slave devices
Number of I/O data supported by Master Up to 244 bytes input and 244 bytes output max. per slave device
(defined by slave device)
Total sum of all I/O Data must not exceed 7168 words
Number of diagnostics data supported
by Master
Up to 244 bytes of diagnostics max. per slave device
Diagnostic data is collected at the Unit and can be obtained from
the Unit using message communications.
Additional status flags DPV1 Connection/Abort status flags.
The status flags - 16 words in total - can be mapped by the user to
any CPU memory location and accessed via the Device Variables
for CJ-Series Units.
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