Siemens SINUMERIK 828D Manual page 15

Function
Reaction time to process interrupts
(terminal to terminal)
Speed/current controller cycle
Reduced speed/current controller cycle
(see note)
Note
With the help of a NX10.3, the following extensions can be connected:
 The maximum number of axes can be increased to eight, six of which can be connected
 A high-speed spindle (e.g. 24,000 rpm with four pole pairs) can be connected to the
For the reduced speed/current controller cycle, in accordance with Topology Rules
(Page 65), the following apply:
 Max. number of axes = 5 for mixed operation 4 x 125 μs and 1 x 62.5 μs
 Max. number of axes = 6 with NX10.3
PPU
Manual, 03/2013, 6FC5397-2DP40-3BA1
PPU 240.2 / 241.2
7.5 ms
125 μs
--
to the PPU and two to the NX10.3.
NX10.3 (62.5 μs) and five axes to the PPU (125 μs).
PPU 260.2 / 261.2
7.5 ms 7.5 ms
125 μs 125 μs
-- --
System description
2.1 Controller features
PPU 280.2 / 281.2
7.5 ms 7.5 ms
125 μs 125 μs
62.5 μs --
7.5 ms
125 μs
62.5 μs
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