HBM ClipX - Starting Up the ClipX; Power-up and Operating Behavior

Electrical connections, LEDs
ClipX
a4643-1.0 HBM: public 55
Added to this is a jitter of up to 52µs, as the A/D converter is not synchronized
with group 1. In the best case, a value is available at the start of the analysis in
group 2 and can be outputted directly at the digital output for example. So the
total propagation time is 940 … 1992µs.
Example 3
Propagation time of a value from the ClipX bus via a limit value switch to a dig-
ital output.
• ClipX bus: 1ms
• Limit value switch: 52µs
• Digital output: 1ms plus max. 250µs response time
This result in a total propagation time of 2.3ms. However, you must add the
propagation time in the device that places the value on the ClipX bus in order to
get the time from the sensor until a response occurs.
Group 3: Data from fieldbus master to ClipX
Fig. 31: Propagation time for group 3
Polling rate
EtherCAT/
PROFINET
ca. 250 μs250 μs
1)
1 ms
1)
At 4 kHz frame rate.
ClipX
fieldbus
controller
Period duration
of frame rate
of fieldbus
Polling rate
EtherNet/IP /
PROFIBUS
0.25 … 1 ms