Installing
4.3 Electric connections non Ex
SITRANS SL
52 Operating Instructions, 12/2010, A5E01132948-04
4.3.3 Connecting cables
Sensor connection cable
The sensor connection cable connects the receiver and the transmitter of the SITRANS SL.
The sensor connection cable is used to transfer:
● 100 kbps RS-485 communication and synchronization
● power for the transmitter
● ground.
Table 4- 1 Electric connections for sensor connection cable, valid for non Ex product versions
Screw terminals on junction board
Receiver Transmitter
Function / Power
L1 S1 +
L2 S2 -
24 V DC power supply to transmitter unit
L3 S3 Com+
L4 S4 Com-
L5 S5 Sync+
L6 S6 Sync-
RS485 communication
Chassis Chassis Ground
Chassis Chassis Ground
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