
Section 3 Configuration S800 I/O Configuration - Basic Rules and Examples
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Line/Master-redundant PROFIBUS Node with Redundant I/O
In total max 24 modules per CI840A (a redundant pair is 2 modules) but limited by:
• PROFIBUS data capability.
• CI840A/TB820 Power supply capability.
• Required scan cycle time.
Modules not supported:
DI825, DO880, AI880A, DI830, DI831, DI880, DI885.
ABB Drives and SOE on DI840 are not supported.
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