HEIDENHAIN iTNC 530 HSCI - USB Interface (USB 2.0)

328 HEIDENHAIN Technical Manual iTNC 530 HSCI
3.28.1 USB interface (USB 2.0)
X141, X142, X143,
X144
Pin layout for USB connection (type A):
If a USB hub is connected to one of the USB ports, the maximum permissible
length of the USB cable (ID 624775-xx) is reduced to 20 m.
USB hub The power supply for the USB hub must comply with EN 50 178, 5.88
requirements for "low voltage electrical separation."
USB connection (female) 4-pin Assignment
1+5 V
2USBP–
3USBP+
4 GND
Note
If USB components that are connected to one of the USB ports require
more than 0.5 A, a separate power supply becomes necessary for these
components. One possibility is the USB hub (USB 2.0) from HEIDENHAIN
(582884-02).
For more information on the USB interface, see "The USB Interface of the
iTNC" on page 1894.