Omron CJ Series Operation Manual page 56

1 Features and System Configuration
I/O Data Number of I/O module definitions
Number of I/O data supported by Master
Number of diagnostics data supported
by Master
Additional status flags
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.
1-16
Item
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Specification
4000 max. over all configured slave devices
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
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.
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.