X140 Serial Interface (Rs 232); Measuring Sockets - Siemens SINAMICS Equipment Manual

Control Units
3.2 Control Unit CU320-2 DP (PROFIBUS)
3.2.2.9

X140 serial interface (RS 232)

The X140 serial interface is located on the underside of the Control Unit. An external display
and operator device for operator control/parameterization can be connected via this interface.
It also supports the USS protocol.
Table 3-24
Connector type: 9-pin SUB D connector
3.2.2.10

Measuring sockets

Table 3-25 Measuring socket with mounted PC board connector
Socket
M
M T0 T1 T2
T0
T1
T2
PCB plug connector from Phoenix Contact, type: ZEC 1.0/ 4-ST-3.5 C1 R1.4, Article number: 1893708
Note
Cable cross section
The measuring terminals are only suitable for conductor cross-sections of 0.2 mm
1 mm
Note
Use of the measuring socket
The measuring socket supports commissioning and diagnostic functions. It must not be
connected for normal operation.
38
X140 serial interface (RS232)
Pin
1
2
3
9
4
5
6
7
1
8
9
Function
Ground
Measuring terminal 0
Measuring terminal 1
Measuring terminal 2
.
2
Signal name
Reserved, do not use
RxD
TxD
Reserved, do not use
Ground
Reserved, do not use
Reserved, do not use
Reserved, do not use
Reserved, do not use
Technical data
-
Receive data
Transmit data
-
Ground reference
-
-
-
-
Technical data
Voltage: 0... 5 V
Resolution: 8 bits
Load current: max. 3 mA
Continuous short-circuit proof
The reference potential is terminal M
Supplementary component descriptions
up to
2
Manual, 06/2019