Siemens SIMATIC RF650R

Appendix
A.3 Command and acknowledgement frames
SIMATIC RF650R/RF680R/RF685R
Configuration Manual, 03/2018, C79000-G8976-C386-06
329
A.3.3
INVENTORY
Requests a list of all currently accessible transponders within the antenna range.
Table A- 5 Command
Byte
0, 1 2, 3 4 5 6, 7 8 9 10 11 12 13 ... 19
Mean-
ing
DBL SN CC CI TDB DBN_H DBN_L DBL -- SOURC
E
--
Value
35 -- 'i' 'A' 1 0 1 35 0 0 0
Byte
20 ... 27
28 ... 31
32, 33
34
35
36, 37
38
39
40, 41
42, 43
44, 45
Mean-
ing
-- -- -- -- -- -- ATT -- DURATI
ON
UNIT --
Value
0
0
0
0
0
0
xx
0
xx
xx
0
Table A- 6 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 INVENTO
RY
Value
--
--
'i'
xx
--
--
--
--
--
Table A- 7 Description of the bytes
Byte
Description
12
Reserved (value = 0)
38 Attribute:
• 128 (0x80) = EPC-ID without additional information
• 129 (0x81) = EPC-ID with additional information on the RSSI value and re-
served bytes
• 134 (0x86) = Activate presence mode
• 136 (0x87) = Deactivate presence mode
40, 41 Duration:
The value depends on the unit selected in byte 42, 43. Example:
• 0x00 = no inventory (if "DURATION" = 0x00 or 0x01)
• 0x00 = one transponder (if "DURATION" = 0x02)
42, 43 Unit for "DURATION":
• 0x00 = ms
• 0x01 = inventories
• 0x02 = number of "OBSERVED" events