Siemens SIMATIC Ident System Manual page 176

Readers
5.7 SIMATIC RF380R with Scanmode
5.7.3 Pin assignment RF380R Scanmode RS-232 interface
You can connect the RF380R Scanmode reader via the internal RS-232/RS-422 interface to
a higher-level system. (See section "Basic rules (Page 101)") Make sure that the pin
assignment is correct. In the factory settings, the reader is set to RS-232. Siemens can
change the interface to RS-422.
Table 5- 29
Pin
5.7.4 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- 30
Color
5.7.5 Ensuring reliable data exchange
The "center point" of the transponder must be situated within the transmission window.
176
Connector and reader pin assignment
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 ready for operation
Transponder present
Red LED for error display is activated permanently if correct operation of the reader
cannot be guaranteed (e. g. faulty start, checksum error during operation).
Assignment
RS-232
+ 24 V
RXD
0 V
TXD
not used
not used
not used
Ground (shield)
, flashing :
System Manual, 07/2016, C79000-G8976-C345-0x
RS-422
+ 24 V
- Transmit
0 V
+ Transmit
+ Receive
- Receive
not used
Ground (shield)
SIMATIC RF300