Product specifications

Section 1 Product Overview S800 I/O
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S800 I/O connected with Modulebus:
• Connection via Electrical Modulebus (single controller only)
– Up to 12 I/O modules
• Connection via Optical Modulebus
– 1-7 I/O clusters with up to 12 I/O modules per cluster (connected using
Modulebus Modem TB820 or TB840A)
PM851 is restricted to one optical Modulebus cluster.