ABB AC 800M

Section 1 Introduction PM8xx/TP830 Processor Unit – General
3BSE 027 941 R301 35
Figure 6. Example of AC 800M/S800 I/O Interconnection in Single CPU Configuration
Max 12 units per cluster
DI810 AI810 DO810PM8XX
CPU
CI852
Fieldbus H1
CI851
Max 12 units per cluster
TB820 DI810 AI810 AO820
To 6 Additional Optical
Electrical ModuleBus cluster
Max 12 units per cluster
ModuleBus clusters
CI830
TB820 DI810 AI810 AO820
See
See Note 3
Note 1
See
Note
2
Additional stations
up to a maximum of
32 stations per Segment
Note 1 – Maximum 7 clusters. Max 200 m between clusters.
Note 2 – Central S800 I/O. Maximum 96 units.
Note 3 – Remote S800 I/O. Maximum 24 units/station,
24 x 32 = 768 units per segment.
Repeater Unit
R
1 Segment of
PROFIBUS DP
Optical
Optical
Optical
FOUNDATION
Max 12 units
DI810 AI810 AO820
PROFIBUS DP