July 2010 27 – 483
X128:
RS-422/V.11
data interface
D-sub connector, 9-pin
Dual-processor control:Connection to HEIDENHAIN HeROS operating system
X141, X142:
USB connection
USB connection
USB hub Connections on the USB hub (368 735-01):
MC 42x (B/C) Connecting cable ID 355 484-xx Adapter block
363 987-01
Female Pin layout Male Color Female Male Female
1 RTS 1 Red 1 1 1
2 DTR 2 Yellow 2 2 2
3RXD
3White 3 3 3
4TxD
4 Brown 4 4 4
50 V 5Black 555
6CTS 6Violet 666
7DSR 7Gray 777
8 RxD 8 White/Green 8 8 8
9 TxD 9 Green 9 9 9
Hsg. External shield Hsg. External shield Hsg. Hsg. Hsg.
The interface complies with the requirements of EN 61800-5-1 for "protective extra-low
voltage" (PELV).
USB connection (female) 4-pin Pin layout
1+5 V
2USBP–
3USBP+
4 GND
When connecting, USB memory devices that use the file system VFAT or ISO 9660
(not NTFS or similar) are detected automatically.
The interface complies with the requirements of EN 61800-5-1 for "protective extra-low
voltage" (PELV).
Only units that comply with the requirements of EN 61800-5-1 for "protective extra-low
voltage" (PELV) may be connected.
Connection designation Function
X1 24-V power supply
X32 5-V output
X140 USB input (to the MC 42x(B))
X141 USB output 1
X142 USB output 2
X143 USB output 3
X144 USB output 4
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