750 XTR Series
System Features
System manual | Version: 2.0.0
13
3
System Features
3.1 Component Structure
3.1.1 Designs
Figure 1: Example Head Station Housings
The
housings of head stations
(fieldbus couplers or controllers) may differ, for instance
in terms of:
• The connection level
• The operator control elements and indicators
• The number of locking and release elements
• The respective fieldbus interfaces
• Further communication interfaces
Figure 2: Example I/O Module Housings
The
housings of the I/O modules
may differ, for instance in terms of:
• The module width (12 mm, 24 mm or 48 mm)
• The structure of the wiring interface (CAGE CLAMP
®
or Push-in CAGE CLAMP
®
con-
nections)
• The number of power jumper contacts
• The fuse holder (supply module)
• The protective cover (distance module)