Acyclic Communication In Dp/V1 Mode - GE VersaPoint IC220PBI002 User Manual

8

Acyclic Communication in DP/V1 Mode

Whenever data is accessed, a distinction must be made between accessing data
from modules in the local bus and accessing NIU data. The table below lists the
Index Numbers of different types of module data and NIU data. As the table
shows, the NIU is considered to be in slot 0 and modules can be in slots 1 to 63.
Data Type
Module parameters
Control byte (byte 4
of the NIU)
Local bus stop
acknowledgment
I/O error
acknowledgment
Overview of PCP
modules and status
Deactivation of
modules
Activation status of
modules
Station ID
Module parameters
(power up)
Set active
configuration as
power up
configuration
Delete saved
configuration
PCP data with
Invoke ID
PCP data
8-4 VersaPoint™ I/O System Profibus-DP NIU User's Manual – August 2005
Index Number Module
(decimal)
2
3
4
4
5
6
7
8
9
10
11
47
48
NIU Slot
0
0
0
0
0
0
0
1 to 63
0
0
1 to 63
1 to 63
GFK-1911B