Commissioning
5.3 Meaning of LEDs on the modem
Modem and SIPROM T for SITRANS TH100/TH200/TR200/TF200/TF with TH200
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Operating Instructions, 06/2014, A5E00468983-04
5.3
Meaning of LEDs on the modem
LEDs on the modems for the SITRANS TH100/TH200/TR200/TF200/TF with TH200
parameterization software have the following meaning:
Name
Color
Meaning
Power
Green Continuous
For the USB modem: Illuminates when the modem is connected to the
USB port of the PC and the operating system of your PC is in the normal
mode. This LED switches off if the PC is in the standby or idle mode.
For the RS232 modem: Illuminates when the supply voltage of the
modem is switched on using the 6-V power adapter that is provided.
Comm
Yellow The LED flickers while transferring data from the PC to the modem.
Error
Red
Illuminates continuously in case of internal errors in the modem (RAM
errors) or if a short circuit is detected at the modem terminals for the
transmitter during parameter input.
