Electrical connection
Leuze electronic GmbH + Co. KG
BPS 307i
48
7.5.2
SSI (HOST / BUS IN)
5-pin, M12 plug (B-coded) or terminal block for connecting to an SSI interface.
2
nc
1
4
3
3
1
2
4
5
Fig. 7.5:
SSI connection
Tab. 7.2:
SSI (HOST / BUS IN) pin assignment
Pin/terminal
Designation
Assignment
1
DATA+
+ Data line SSI
(Output electrically isolated)
2
DATA-
- Data line SSI
(Output electrically isolated)
3
CLK+
+ Clock line SSI
(Input electrically isolated)
4
CLK-
- Clock line SSI
(Input electrically isolated)
5
FE
Functional earth
Thread (M12 connector)
Cable gland
Functional earth
(housing)
Connection cable shield.
The shield of the connection cable
is on the thread of the M12 plug
or on the screw fitting of the cable
bushing.
The thread or the screw fitting is
part of the metallic housing. The
housing is at the potential of the
functional earth via pin 5.
NOTICE
Use ready-made cables!
Ä
If possible, use the ready-made cables from Leuze (see chapter 14.3 "Cables accessories").
NOTICE
Data cables for the SSI interface!
Ä
Use only shielded and twisted-pair cables as data line for the SSI interface.
Ä
Twisting: pin 1 with 2, pin 3 with 4
Ä
The shield must be connected at both ends.