2
Function
Festo – CPX-E-PB-EN – 2017-07 – English
7
2.1.3
Control elements
DIL switch
Function
1
The station number of the bus module is set in binary code using the
DILswitches 1 … 7.
Permissible station numbers: 1 … 125
Factory setting: 3
Example:
è
2
3
4
5
6
7
8
Device-specific diagnostics
ON = Active (factory setting)
OFF = Inactive
Tab. 2.1
Example of setting the station number
DIL 1: OFF
2
0
=
1
Example:
2
1
+ 2
2
+ 2
4
= 2 + 4 + 16 = 22
è
Set station number = 22
DIL 2: ON
2
1
=
2
DIL 3: ON
2
2
=
4
DIL 4: OFF
2
3
=
8
DIL 5: ON
2
4
=
16
DIL 6: OFF
2
5
=
32
DIL 7: OFF
2
6
=
64
Tab. 2.2
2.1.4
Connecting components
Connection [XF1]
Signal
Designation
1
Shield
Functional earth
2
n.c.
–
3
RxD/TxD-P
Received/transmitted data P
4
CNTR-P
Repeater control signal
5
DGND
Data reference potential (M5V)
6
VP
Supply voltage positive (P5V)
7
n.c.
–
8
RxD/TxD-N
Received/transmitted data N
9
n.c.
–
Shield
Functional earth
1) The repeater control signal CNTR-P is configured as a TTL signal.
2) Housing
Tab. 2.3
Port [XD]
Signal
0
+24 V DC operating voltage supply U
EL/SEN
1
2
0 V DC operating voltage supply U
EL/SEN
3
1) The ports XD.0 and XD.1 and also XD.2 and XD.3 are interconnected in the terminal strip.
Tab. 2.4
Diagnostic interface [DIAG]
Via the diagnostic interface [DIAG] (mini-USB), the bus module can be connected to a PC on which parameterisation
and diagnostics software is installed.