Rear panel
7
Figure 7.1: Rear panel
7.1
Power
The Handyscope HS4 is powered through the USB. If the USB cannot deliver enough
power, it is possible to power the instrument externally. The Handyscope HS4 has
two external power inputs located at the rear of the instrument: the dedicated
power input and a pin of the extension connector.
The specifications of the dedicated power connector are:
Pin
Dimension
Description
Center pin
Ø1.3 mm
ground
Outside bushing
Ø3.5 mm
positive
Figure 7.2: Power connector
Besides the external power input, it is also possible to power the instrument through
the extension connector, the 25 pin D-sub connector at the rear of the instrument.
The power has to be applied to pin 3 of the extension connector. Pin 4 can be used
as ground.
The following minimum and maximum voltages apply to both power inputs:
Minimum
Maximum
4.5 V
DC
14 V
DC
Table 7.1: Maximum voltages
Note that the externally applied voltage should be higher than the USB voltage to
relieve the USB port.
7.1.1
USB power cable
The Handyscope HS4 is delivered with a special USB external power cable.
Rear panel
19
Summary of Contents for Handyscope HS4
Page 1: ...Handyscope HS4 User manual TiePie engineering...
Page 6: ......
Page 17: ...Figure 4 3 Driver install Finished Driver installation 13...
Page 18: ...14 Chapter 4...
Page 20: ...16 Chapter 5...
Page 22: ...18 Chapter 6...
Page 26: ...22 Chapter 7...
Page 30: ...26 Chapter 8...
Page 32: ...TiePie engineering Handyscope HS4 instrument manual revision 2 27 February 2020...