User's Manual

RFI341 Radio Frequency Interrogator
26 SICK AG Division Auto Ident - Germany - All rights reserved 8012640/2008-03-10
5.4.3 Main Power supply
The main power supply is 24V DC with a max input current of less than 2
Ampere (<50W). The power cable need to be shielded if the length extend
3m. The Shield need to be connected with the “Function earth”.
Power-up Delay
After the RFI341 is powered, the device will do an internal diagnostic. After
the diagnostic is finished the interrogator sends the start-up message or will
execute the background mode. This start-up time can be within a window of
less than 3 seconds. Refer to the document “Telegram Listing RFI341” for
details.
5.4.4 Connect the RS-232 interface
Risk of damage to the interface module!
Electronic components in the RFI341 can be damaged if the host is
connected incorrectly.
Connect the host as shown in the figure above.
Check the connections carefully before switching on the RFI341.
Connect the host interface to the RFI341 using shielded cable (EMC
requirement). Ensure that the maximum cable length is not exceeded.
Parameter Value
Interface model RS 232
Data transfer rate 9600 bd (factory setting)
Start bit 1
Data bits 8
Stop bits 1
Parity No parity
Protocol SICK STX/ETX
Electrical Installation