Hardware description
TR-Electronic GmbH 2014, All Rights Reserved
Printed in the Federal Republic of Germany
Page 24 of 32
TR - E - TI - DGB - 0103 - 05
06/21/2016
4.3 Status LEDs
● LED
ext. power
: lights up green,
if the Plug Power Supply Unit is connected at the +24 Vdc input of the PC adapter.
A measuring system which is connected to the PC adapter can be supplied over
the 15-pol. D-SUB connector. If furthermore a connection to a PC with TRWinProg
is established, in online operation the connected measuring system is detected.
Programming’s refer to the measuring system.
● LED
rxd - pc
: lights up yellow, if data are received
● LED
txd - pc
: lights up yellow, if data are sent
● LED
device
: lights up red,
if a USB connection to the PC is established but no power supply and no
measuring system is connected to the adapter.
● LED
device
: lights up green,
if a USB connection to the PC is established and a power supply or a measuring
system is connected to the adapter.
4.4 Switch-over the device-supply
●
Plug Power Supply Unit not connected to the PC
- The measuring system must be supplied separately with voltage.
●
Plug Power Supply Unit connected to the PC adapter
- The measuring system is supplied via the PC adapter with voltage.
