Siemens SIMOTION ADI4 - Boundary Conditions

Parameter assignment
3.6 Parameter assignment of the DP communication
SIMOTION ADI4 - Analog Drive Interface for 4 Axes
Manual, 05/2009, 6FC5 297-0BA01-0BP6
69
3.6.10 Boundary conditions
ADI4 with order number 6FC5 211-0BA01-0AA1 or higher
The following boundary conditions must be observed during the final parameter assignment
of the equidistant DP cycle in conjunction with ADI4 with order number
6FC5 211-0BA01-0AA1 and higher:
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Figure 3-17 Excerpt of "DP Slave Properties" dialog box
1. Equidistant DP cycle (T
DP
)
T
DP
= 2 * n * 125 μs;
with n ≥ 4 ( ⇒ Minimum T
DP
= 1 ms)
2. Setpoint acceptance (T
o
)
(TDX + 125 μs) ≤ T
o
< T
DP
;
with rounded variable TDX = T
DX
, rounded to an integer multiple of 125 μs
3. Actual value acquisition (T
i
)
(250 μs ≤ T
i
≤ 625 μs) and (T
i
≠ 500 μs)
4. T
i
and T
o
cannot be in the same 125 μs cycle clock
ΔT ≠ 0; with ΔT = T
DP
- T
i
- T
o