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EPAD2/CPAD2/CPAD3 series modules • Technical Reference Manual • Printing version 1.0.2 • October 04, 2016
Connection
1 Mini USB interface connector
2 Power connector
3 Power LED
4 Status LED
5 EPAD interface connector
6 Chassis terminal
14 3 6 2 5
1 Mini USB-B interface connector
The mini USB-B interface connectors meets standard USB pin assignment.
Pin assignment
1: +5 V
2: D-
3: D+
4: ID
5: GND
5-pin USB connector shematic
2 POWER connector
This connector is used for power supply connected EPAD2 modules.
1
2
2-pin LEMO EGJ.1B.302
3 Status LED
This LED indicates data transmissions.
4 Power LED
This LED indicates power supply state. The EPAD2-USB is powered via USB but NOT with the external
power supply! The Power LED is only active when connected to a USB port of your PC/Laptop and NOT
when connected to the external power supply!
5 EPAD interface connector
This connector can be used to connect the EPAD2-USB to other EPAD2 series modules
4
3
Pin assignment EPAD2:
1 RS-485 (A)
2 RS-485 (B)
3 Power supply (+)
4 GND
Schematic
4 pin LEMO series
connector
6 Chassis terminal
For some kind of measurements, it’s necessary to provide the module with an additional ground connection
Pin assignment
1: +7 .. 40 V
DC
2: GND
EPAD2-USB Module
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