ABB S800 - I;O Modules

S800 I/O Station Section 2 Product Description
26 3BSE015969-600 A
S800 I/O Station
An S800 I/O station includes:
• 1 (or 2 if redundant) Fieldbus Communication Interface (FCI)
• up to 24 S800 I/O modules divided into
–1 base cluster
– up to 7 additional I/O clusters, each one containing up to 12 I/O modules.
Base Cluster
A base cluster includes:
• 1 (or 2 if redundancy) Fieldbus Communication Interfaces (FCI)
• up to 12 S800 I/O modules or 6 pairs of redundant I/O.
I/O Cluster
An I/O cluster includes:
• 1 Optical ModuleBus Modem
• up to 12 S800 I/O modules.
I/O Modules
Any combination of I/O modules is possible, within the limits in Table 1.
Table 1. The max. I/O Configuration of S800 I/O Connected to Advant Fieldbus 100
and PROFIBUS.
Item Max. No.
S800 I/O stations per Advant Fieldbus 100 79
(1)
S800 I/O station per PROFIBUS 99