
Appendix D: Timing & Performance
123 (136)
D
Timing & Performance
D.1
General Information
This chapter specifies timing and performance parameters that are verified and documented for
the Anybus CompactCom 40 EtherCAT.
The following timing aspects are measured:
Category
Parameters
Page
Startup Delay
T1, T2
NW_INIT Handling
T100
Event Based WrMsg Busy Time
T103
Event Based Process Data Delay
T101, T102
For further information, please consult the Anybus CompactCom 40 Software Design Guide.
D.2
Internal Timing
D.2.1
Startup Delay
The following parameters are defined as the time measured from the point where /RESET is re-
leased to the point where the specified event occurs.
Parameter
Description
Max.
Unit.
T1
The Anybus CompactCom 40 EtherCAT module generates the
first application interrupt (parallel mode)
11
ms
T2
The Anybus CompactCom 40 EtherCAT module is able to receive
and handle the first application telegram (serial mode)
11
ms
D.2.2
NW_INIT Handling
This test measures the time required by the Anybus CompactCom 40 EtherCAT module to per-
form the necessary actions in the NW_INIT-state.
Parameter
Conditions
No. of network specific commands
Max.
No. of ADIs (single UINT8) mapped to Process Data in each direction. (If the network
specific maximum is less than the value given here, the network specific value will be
used.)
32
Event based application message response time
> 1 ms
Ping-pong application response time
> 10 ms
No. of simultaneously outstanding Anybus commands that the application can handle
1
Parameter
Description
Communication
Max.
Unit.
T100
NW_INIT handling
Event based modes
3.6
ms
D.2.3
Event Based WrMsg Busy Time
The Event based WrMsg busy time is defined as the time it takes for the module to return the
H_WRMSG area to the application after the application has posted a message.
Parameter
Description
Min.
Max.
Unit.
T103
H_WRMSG area busy time
2.8
7.2
μs
Anybus
®
CompactCom
™
40 EtherCAT
®
Network Guide
SCM-1202-034 1.1
Содержание CompactCom 40 EtherCAT
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