Interfaces; Serial Rs232 Interface; Fig. 7-14: Light-Emitting Diode D; Fig. 7-18: Rs232 Interface - Bosch Rexroth IndraControl L40 Project Planning Manual

IndraControl L40
7.4

Interfaces

Serial RS232 Interface

Serial RS232 Interface
DOK-CONTRL-IC*L40*****-PR02-EN-P
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An additional two-color light-emitting diode (identified by D) emits green
light in case the 24-V voltage is present and red light in case of a short-
circuit or overload.
Light-emitting
diode D
Off
Green
Red
Fig. 7-17: Light-emitting diode D
Assembly destruction
If connected improperly, the assembly might be
destroyed. For that reason, avoid:
⇒
WARNING
the output lines
⇒
externally polarized suppressor diodes
⇒
The 0-V reference voltage of the connected loads must be returned to the
0-V terminal of the IndraControl L40, i.e. a two-pin connection must be
ensured. Otherwise, there will be no reliable protection from GND
breakage.
A serial RS232 interface is provided at X3C.
X3C
D-Sub male connector, 9-pin
Type:
Cable length:
Cable type:
1
6
Fig. 7-18: RS232 interface
Connections and Interfaces
Meaning
24-V voltage is missing.
24-V voltage is present.
Short-circuit or overload.
Reverse voltage with simultaneous short-circuit of
Reverse voltage with simultaneous connection of
Applying an external voltage > UB
RS232
Max. 15 m
Shielded, twisted
X3C
DCD
RXD
5
TXD
DTR
GND
DSR
RTS
9
CTS
Shield applied to the metal housing
of the plug-in connector
7-11
1
2
3
4
5
6
7
8
9
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