Labeling at the housing Connection type Connection type (at the
device)
Mating connector or ca-
ble (from outside)
XF30 USB3.0 ports USB female connector,
type A
USB plug, type A
XF13 Connection for external
monitor
HDMI female connector HDMI connector
XF50, XF51 Serial interfaces D-Sub plug, 9-pin D-SUB socket, 9-pin
XF31, XF32, XF33 USB2.0 ports USB female connector,
type A
USB plug, type A
XF40, XF41 Ethernet interfaces
10/100/1000 Base-T
RJ45 socket, 8-pin RJ45 plug
(twisted pair, 8-wire)
Tab. 9-1: Interfaces
Malfunctions due to insufficient shielding!
Use only shielded cables and metallic or conductive connector/coupling covers
with large-area shield support.
9.2 PC voltage supply XD1
The 24 V DC voltage supply for the embedded automation computer is connec-
ted via the "XD1" connection.
Fig. 9-4: Connection of the 24 V voltage supply at the device
Pin Function
① +24 V supply voltage
② 0 V supply voltage
Tab. 9-2: Pin assignment
9.3 USB ports XF30 to XF33
PR21 devices are usually equipped with one USB3.0 interface (XF30) in all var-
iants.
Devices with the abbreviation "NB" for "Miscellaneous hardware properties" are
equipped with three additional USB2.0 interfaces (XF31, XF32, XF33).
10/29
Interfaces
IndraControl PR21 Embedded Automa-
tion Computer
Bosch Rexroth AG R911389662_Edition 02
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