12
SICK LSI Technical Description - 06/98
8 Connecting Up the LSI
8.1 Wiring up the LSI and PLS
Notes:
Also refer to the connection diagram in the appendix. For the
requirements to be met by the cables used, refer to section 4.3
of the instruction manual, under Cable requirements.
•
Connect the LSI Power Out + and Power Out - terminals
to the power terminals on the PLS.
Use 4-pin socket connector strips.
•
Connect the LSI communication terminals (e.g. Sensor 1)
to the PLS interface.
•
Connect the LSI-termination shielding to the strain relief. The
PLS-termination shielding is not contacted. Follow the pin
assignment.
Connecting PLS to LSI
Pin assignment of the interface connector in RS422 mode
LSI
RXD–
RXD+
TXD+
TXD–
Enclosure
NC
NC
NC
NC
NC
1
2
3
4
5
6
7
8
9
Pin no.
Sensor
RXD–
RXD+
TXD+
TXD–
NC
NC
jumpered
NC
NC
1
2
3
4
5
6
7
8
9
Pin no.
LSI-termination shield
connected to strain relief (enclosure)
4
3
2
1
SENSOR
SENSOR
SENSOR
SENSOR
Sub-D
plug
PLS
To LSI
LSI
To PLS
1
9
1
9
shielding open
Connect shielding
to strain relief
