Siemens SIMATIC MOBY D - Communication between ASM, Write;Read Device and MDS

Planning the MOBY D system
4.1 Fundamentals of application planning
MOBY D
System Manual, 01/2010, J31069-D0147-A6-7618
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4.1.6 Communication between ASM, write/read device and MDS
Communication with the SLG is asynchronous with a transmission rate of
● 19.2 Kbaud with SLG D11S/SLG D12S
● 38.4 Kbaud with SLG D11/SLG D12
● 115.2 Kbaud with SLG D10/SLG D10S
Table 4- 1 Data transmission rate
with MDS D1xx/MDS D2xx/MDS D3xx with MDS D4xx
reading ≥ 2.5 ms/byte
Writing ≥ 9.5 ms/byte
≤ 2.5 ms/byte
Table 4- 2 Transfer time for UID number (8 bytes)
SLG Transmission time
SLG D11S/SLG D12S 60 ms (at 19.2 Kbaud)
SLG D11/SLG D12 60 ms (at 38.4 Kbaud)
SLG D10/SLG D10S 50 ms (at 115.2 Kbaud)
Table 4- 3 Traversing speed for SLG D1x / ANT Dx (with one transponder in the field)
SLG D10 SLG D11 SLG
D12
SLG D10S SLG D11S SLG
D12S
ANT
D10*
ANT
D6
ANT
D5
ANT
D2
ANT
D5
ANT
D10*
ANT
D6
ANT
D5
ANT
D2
ANT
D5
UID number
(8 bytes)
≤ 15 ≤ 8.0 ≤ 5.0 ≤ 1.2 ≤ 3.5 ≤ 2.5 ≤ 6.0 ≤ 3.8 ≤ 2.0 ≤ 0.4 ≤ 1.0 ≤ 0.8
ISO tags, e.g. MDS D100
Read
(with 4 bytes
user data /
1 block)
≤ 10 ≤ 6.0 ≤ 3.5 ≤ 1.2 ≤ 1.6 ≤ 1.2 ≤ 6.5 ≤ 4.0 ≤ 2.2 ≤ 0.4 ≤ 3.0 ≤ 1.4
Write
(with 4 bytes
user data /
1 block)
≤ 9 ≤ 5.5 ≤ 3.0 ≤ 0.2 ≤ 1.2 ≤ 1.0 ≤ 5.5 ≤ 3.4 ≤ 1.8 ≤ 0.3 ≤ 2.8 ≤ 1.2
Read
(with 112
bytes of
complete user
data)
≤ 7.5 ≤ 4.0 ≤ 2.4 ≤ 0.4 ≤ 1.4 ≤ 0.8 ≤ 5.0 ≤ 3.0 ≤ 1.6 ≤ 0.2 ≤ 2.2 ≤ 1.0
Write
(with 112
bytes of
complete user
data)
≤ 2.0 ≤ 1.0 ≤ 0.6 ≤ 0.1 ≤ 0.4 ≤ 0.2 ≤ 2.0 ≤ 1.0 ≤ 0.6 ≤ 0.1 ≤ 0.5 ≤ 0.2
All values in the table in m/s
* Traversing speed in lateral direction as for SLG D10 ANT D5/SLG D10S ANT D5