Appendix D
Operating Instructions KB2 Keyboards
R. STAHL HMI Systems GmbH / OI_Keyboard_KB2_en_V_01_00_02.docx / 07.03.2022
Page 47 of 68
19 Appendix D
19.1 Connection overview cable assignment KB2
The length of the
connection cable
(see
must not be extended or
replaced by the customer !
Cable Colour
Connection
Signal name
Name
1
White
Keyboard
+5 V
Power UB
2
Green
USM_m
Data conductor D-
3
Yellow
USM_p
Data conductor D+
4
Brown
GND
Power supply GND
5
Red
Pointing device
+5 V
Power UB
6
Grey
USM_m
Data conductor D-
7
Pink
USM_p
Data conductor D+
8
Blue
GND
Power supply GND
Screen
-
Screen
Connect shielding to ground
(< 1 MΩ)
19.1.1
KB2 at ET-/MT-xx7
Detailed view terminal assignment
Ground connection
unscrew existing nut
(a)
Screw on distance
bolt I/I (b) with
toothed washer (c)
(tightening torque
1 Nm)
Attach ring cable lug
(d) with combined
screw (e)
PA bolt
a
c
d
b
e
twist
twist