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Concept

Concept


Products: AO-8, AO-V-8, DI-16, DO-FA-12, DO-FC-8, AS-P, PS-24V, RTD-DI-16, UI-16, UI-8/AO-4, UI-8/AO-V-4, UI-8/DO-FC-4
Functionalities: Central IO , Hardware
Product version: 3.3, 2022, 2023, 2024, 7.0
10/7/2024

I/O Bus Restrictions

The I/O bus imposes restrictions on the number of devices that can be connected to the bus and what type of devices that are allowed on certain positions.

The following restrictions apply to the I/O bus:

  • Position 1 reserved for a power supply

  • Position 2 reserved for a AS-P server

  • Maximum one AS-P server per I/O bus

  • Maximum 32 devices per I/O bus

Note:

Even when connected by an S-cable, no more than 32 devices are allowed on the I/O bus.

  • Terminal Bases
  • I/O Bus
  • I/O Bus Parts
  • Power Budget
  • Configuring a Central IO Module