Readers 
  5.1 SIMATIC RF210R 
SIMATIC RF200 
System Manual, 07/2015, J31069-D0227-U001-A9-7618 
91 
 
Pin assignment RF210R with RS422 interface 
 
 
2  - Transmit 
 
Display elements of the RF210R reader 
 
green 
Operating voltage present, reader not initialized or antenna switched off 
permanently 
Operating voltage present, reader initialized and antenna switched on 
1)
flashing red  Error has occurred, the type of flashing corresponds to the error code in the 
table in the section "Error 
codes". The optical error display is only reset if the 
corresponding reset parameter ("option_1 = 2") is set (see Product infor-
mation "SIMATIC RF200 command set" 
(https://support.industry.siemens.com/cs/us/en/view/44864850)). 
1) 
  Only in the "with presence" mode.