Siemens SIMATIC Ident System Manual page 167

Note correct assignment of the pins here:
Pin
5.6.4 LED operating display
The operational statuses of the reader are displayed by the LEDs. The LED can adopt the
colors green, red or yellow and the statuses off , on
Table 5- 26
Color
Only in the "with presence" mode.
1)
5.6.5 Ensuring reliable data exchange
The "center point" of the transponder must be situated within the transmission window.
SIMATIC RF300
System Manual, 07/2016, C79000-G8976-C345-0x
Pin
Device end
8-pin M12
1
2
3
4
5
6
7
8
LED operating display on the reader
Meaning
Operating voltage present, reader not initialized or antenna switched off
Operating voltage present, reader initialized and antenna switched on
Transponder present
1)
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", see FC 45 / FB 45 documentation,
section Input parameters) is set.
RS-232
+ 24 V
RXD
0 V
TXD
not used
not used
not used
Ground (shield)
, flashing :
5.6 SIMATIC RF380R
Assignment
RS-422
+ 24 V
- Transmit
0 V
+ Transmit
+ Receive
- Receive
not used
Ground (shield)
Readers
167