Appendix
A.3 Command and acknowledgement frames
SIMATIC RF650R/RF680R/RF685R
328
Configuration Manual, 03/2018, C79000-G8976-C386-06
A.3.2
READER-STATUS or DEV-STATUS
Reads out the status of a reader/communications module.
Table A- 3
Command
Byte
0, 1
2, 3
4
5
6, 7
8
9
10
11
12 ... 19 20 ... 27
Mean-
ing
DBL
SN
CC
CI
TDB
DBN_H DBN_L DBL
--
--
--
Value
35
--
't'
'A'
1
--
1
35
0
0
0
Byte
28 ... 31 32, 33
34
35
36, 37
38
39
40, 41
42, 43
44, 45
Mean-
ing
--
--
--
--
--
ATT
--
--
--
--
Value
0
0
0
0
0
89
0
0
0
0
Table A- 4
Reply
Byte
0, 1
2, 3
4
5
6, 7
8
9
10
11 ... 239
Mean-
ing
DBL
SN
CC
STATUS TDB
DBN_H
DBN_L
DBL
SLG-
STATUS
Value
--
--
't'
xx
1
--
1
--
--