Siemens SIMATIC RF200 System Manual page 129

Note
Reader requires external antennas
Note that the RF250R reader is designed only for operation with external antennas and can
only be operated in conjunction with the antennas ANT 3, ANT 8, ANT 12, ANT 18 or ANT
30.
5.5.2 Ordering data RF250R
RF250R with RS-422 interface (3964R)
RF250R with RS-232 interface (ASCII)
5.5.3 Pin assignment RF250R
Pin
5.5.4 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- 9
SIMATIC RF200
System Manual, 07/2017, J31069-D0227-U001-A9-7619
Pin
Device end 8-
pin M12
1
2
3
4
5
6
7
8
LED operating display on the reader
LED Meaning
The reader is turned off.
Operating voltage present, reader not initialized or antenna switched off
Operating voltage present, reader initialized and antenna switched on
Interface assignment
RS-422
+24 V
- Transmit
0 V
+ Transmit
+ Receive
- Receive
Unassigned
Ground (shield)
, flashing :
Readers
5.5 SIMATIC RF250R
Article number
6GT2821-5AC10
6GT2821-5AC40
RS-232
+24 V
RXD
0 V
TXD
Unassigned
Unassigned
Unassigned
Ground (shield)
129