
2.OVERVIEW OF PROFIBUS-DP FUNCTIONS GENERAL B-62924EN/02
- 8 -
2.2 MASTER FUNCTIONS
The specifications of the PROFIBUS-DP Master function differ
depending on the CNC model and the series of CONTROL
SOFTWARE.
Table 2-2 Overview of the Master Function
CNC
LCD-mounted type Series 16i/18i/21i-A/B,
Stand-alone type Series 16i/18i/21i-A
Power Mate i-D/H, Series 16/18-C
Series 15i-A
Condition
CONTROL SOFTWARE
Edition 08 or later
of series 6557
Edition 07 or later
of series 6557
Series 6556 None
Range of valid master
station numbers
0 to 125 0 to 125 0 to 2 0 to 125
Range of valid slave station
numbers for which
communication can be
performed
0 to 125
(Communication
can be performed
with up to 32 slave
stations.)
0 to 125
(Communication
can be performed
with up to 32 slave
stations.)
3 to 32
(Communication
can be performed
with up to 30 slave
stations.)
0 to 125
(Communication
can be performed
with up to 32 slave
stations.)
Maximum DI/DO data size
per slave station
244 bytes
(Total of DI/DO)
32/32 bytes 32/32 bytes 32/32 bytes
Maximum user parameter
data size per slave station
206 bytes 32 bytes 6 bytes 32 bytes
Master functions
Maximum diagnose data
size per slave station
244 bytes 32 bytes 6 bytes 32 bytes
Reference item in this manual II-1.2
SUPPLEMENT-
A.1
SUPPLEMENT-
B.1
II-2.2