Bosch Rexroth Rho 4.0 - Page 47

Electric Drives
and Controls
5−5Bosch Rexroth AGRhoMotion1070072365 / 04
Interface Ports & Connectors
Assignment as RS-232:
DTR20-mA-Signal
(Pin1) statical 20-mA source
V24-RTS-Signal
(Pin7)
always active (statically on high); therefore
an operation is also possible with a
participant requiring hardware control (DSR
inquired)
TXD Transmit Data; data transmitting line to the
peripheral device
20-mA interface purely active, has no 20-mA handshake
signals
Connecting cable between X31..X33 connectors and an external PC
(e.g., for ROPS4 coupling).
2 x female DB-9 connector
Cable length: max. 20 m, with internal power supply and
350 mA max. current
2
RX
TX
DTR
Screen applied to
metal shell of connector
RTS
DSR
CTS
GND
5
1
96
RS232
3
4
6
7
8
5
3
2
6
4
8
7
5
5
1
96
Screen applied to
metal shell of connector
RX
TX
DTR
RTS
DSR
CTS
GND
RS232
Female DB-9 connector Female DB-9 connector