Front View Of The Cfu - Siemens Simatic CFU Commissioning Manual

Product overview

3.3 Front view of the CFU

3.3 Front view of the CFU
Front view
The following figure shows the front view of the CFU using the CFU PA as an example.
Functional elements
1 Slot X5: Connection for a BusAdapter
2 Diagnostic LED on interface dome
3 Slots X80 and X81: 24 V DC; power supply PS1/ PS2
(redundant connection possible)
4 Slot X82: GND: Connection for reference potential
(ground)
5 Slot X10/X11:
DIQ: Connections of freely configurable channels
DIQ<n>:
● <n>+ signal line
● <n>- signal line
6 Slot X1/X2:
FIELDBUS; connections for one field device each.
Spur line FB<n>:
max. 120 m length; cable termination with automatic
bus terminator
● <n>+ data cable (red)
● <n>- data cable (green)
7 Reset: Restore delivery state - reset to factory settings: G
16
Additional elements
A Locking the CFU on the mounting rail
B Labeling strips on interface dome
C MAC address
D Product version
E 2D matrix code (QR code / EAN code) (Page 17)
F Rating plate
Assembly instruction (latch onto the mounting rail from
below)
Commissioning Manual, 07/2018, A5E39252870-AC
SIMATIC CFU