Siemens SIMATIC Ident - Pin Assignment RF250 R; Display Elements of the RF250 R Reader

Readers
5.5 SIMATIC RF250R
SIMATIC RF200
116 System Manual, 07/2015, J31069-D0227-U001-A9-7618
5.5.3
Pin assignment RF250R
Pin
Pin
Device end 8-
pin M12
Interface assignment
RS-422
RS-232
1
+24 V
+24 V
2 - Transmit RXD
3
0 V
0 V
4
+ Transmit
TXD
5
+ Receive
Unassigned
6
- Receive
Unassigned
7
Unassigned
Unassigned
8
Ground (shield)
Ground (shield)
5.5.4
Display elements of the RF250R reader
Color
Meaning
green
flashing
Operating voltage present, reader not initialized or antenna switched off
permanently
lit
Operating voltage present, reader initialized and antenna switched on
yellow
1)
Transponder present
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/ww/en/view/44864850)).
1)
Only in the "with presence" mode.