Bosch Rexroth Rho 4.0 Connectivity Manual page 47

1070072365 / 04 RhoMotion
Interface Ports & Connectors
Female DB-9 connector
5
9
Screen applied to
metal shell of connector
Assignment as RS-232:
DTR20-mA-Signal
(Pin1)
V24-RTS-Signal
(Pin7)
TXD
20-mA interface
Connecting cable between X31..X33 connectors and an external PC
(e.g., for ROPS4 coupling).
2 x female DB-9 connector
Cable length:
RS 232
2
RX
3
TX
4
DTR
1
6
DSR
6
7
RTS
8
CTS
5
GND
Electric Drives Bosch Rexroth AG
and Controls
statical 20-mA source
always active (statically on high); therefore
an operation is also possible with a
participant requiring hardware control (DSR
inquired)
Transmit Data; data transmitting line to the
peripheral device
purely active, has no 20-mA handshake
signals
max. 20 m, with internal power supply and
350 mA max. current
RS 232
3
Female DB-9 connector
RX
2
TX
6
DTR
5
4
DSR
9
8
RTS
7
CTS
5
GND
Screen applied to
metal shell of connector
5−5
1
6