Sinec L1 Submodule; Application; Circuitry; Data Transmission Rate - Siemens S5-155U System Manual

5.8.6

SINEC L1 Submodule

Application

Circuitry

Data transmission rate

System Manual
C79000-B8576-C199-03
The SINEC L1 submodule is for use with data transmission via the
SINEC L1 bus.
The SINEC L1 submodule can be inserted in the following CPU:
Interface Submodule... For Use With...

SINEC L1 submodule

CPU 928B, from Version 6ES5 928-3UB12
The SINEC L1 submodule is equipped with a transmitter and a
receiver for 20 mA current loop signals. Shown in the following figure
is the circuitry for the current loop signals:
+
Receiver
-
-
Transmitter
+
CPU with
SINEC L1
Submodule
Current Direction Arrows
Figure 5-24 SINEC L1 Submodule: Loop Current Direction
Data transmission via the SINEC L1 interface always takes place at
9600 bps.
Interface Submodule
+
-
-
Transmitter
+
-
+
+
Receiver
-
Partner
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