Installation RSPE30/32/35/37
Release
16
04/2019
37
1.7.3 USB interface
The USB interface allows you to connect the AutoConfiguration Adapter
ACA21 storage medium. This is used for saving/loading the configuration
data and diagnostic information, and for loading the software.
See “Accessories” on page 69.
For information about the position on the device see “Front view” on page 25.
On the front of the device there is an LED display that informs you about the
status of the interface.
The USB interface has the following properties:
Supplies current of max. 500 mA
Voltage not potential-separated
Connectors: type A
Supports the USB master mode
Supports USB 2.0
1.8 Signal contact
Figure 2: Signal contact: 2-pin terminal block with screw locking
The signal contact is a potential-free relay contact. The signal contact is open
when the device is not connected to a power supply.
The signal contact allows you to control external devices or monitor device
functions.
In the configuration, you specify how the device uses the signal contact.
You will find detailed information on possible applications and the
configuration of the signal contact in the software user documentation. You
will find the software user documentation as PDF files on the Internet at
https://www.doc.hirschmann.com
Figure Pin Function
1 VCC (VBus)
2 − Data
3 + Data
4 Ground (GND)
Table 10: Pin assignment of the USB interface
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