MAN0923_Issue 3_04/15
Touchpoint Pro
Operating Instructions
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2. Overview / Introduction
2.6 Input / Output (I/O) modules
Various types of I/O modules are available, each containing four channels. A single Touchpoint Pro system
can contain up to 64 input channels (16 input modules) and 128 output channels (32 output modules).
Fig 2.4 Ring Network
Ring Network
I/O Module 2
I/O Module 1
I/O Module 4
Touchpoint Pro Controller
I/O Module 3
Self-healing Ring Network with Failure at Module 2
I/O Module 2
I/O Module 1
I/O Module 4
Touchpoint Pro Controller
I/O Module 3