Readers
5.7 SIMATIC RF280R
SIMATIC RF200
System Manual, 07/2017, J31069-D0227-U001-A9-7619
141
5.7.3
Pin assignment RF280R
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)
5.7.4
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 , flashing :
Table 5- 13 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
•
Operating mode "with presence": Transponder present
•
Operating mode "without presence": Transponder present and command
currently being executed
There is an error. The number of flashes provides information about the cur-
rent error. You can find more information on error messages in the section
"Error codes of the RF200 readers (Page 329)". The optical error display is
only reset if the corresponding reset parameter ("option_1 = 2") is set (see
product information "SIMATIC RF200 Command Set
https://support.industry.siemens.com/cs/ww/en/view/44864850
)").