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 X140 serial interface (RS232)
Pin Signal name Technical data
1 Reserved, do not use -
2 RxD Receive data
3 TxD Transmit data
4 Reserved, do not use -
5 Ground Ground reference
6 Reserved, do not use -
7 Reserved, do not use -
8 Reserved, do not use -
9 Reserved, do not use -
Connector type: 9-pin SUB D connector
3.2.2.10 Measuring sockets
Table 3-25 Measuring socket with mounted PC board connector
Socket Function Technical data
M Ground Voltage: 0… 5 V
Resolution: 8 bits
Load current: max. 3 mA
Continuous short-circuit proof
The reference potential is terminal M
T0 Measuring terminal 0
T1 Measuring terminal 1
T2 Measuring terminal 2
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
2
up to
1 mm
2
.
Note
Use of the measuring socket
The measuring socket supports commissioning and diagnostic functions. It must not be
connected for normal operation.
Control Units
3.2 Control Unit CU320-2 DP (PROFIBUS)
Supplementary component descriptions
38 Manual, 06/2019
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