Communication
C3F_T40
396 192-121102 N04 June 2008
Data transfer Master – Slave and back
In this chapter you can read about:
Setting the HEDA master................................................................................................. 398
Setting the HEDA slave ................................................................................................... 401
In standard applications the master sends process values to the slaves and reads
the answers from the slaves.
F1 F2 F3 F4
Receive
F1 F2 F3 F4
Transmit
HEDA Master
F1 F2 F3 F4
Transmit
F1 F2 F3 F4
Receive
HEDA Slave
F1 F2 F3 F4
Transmit
F1 F2 F3 F4
Receive
HEDA Slave
F1 F2 F3 F4
Transmit
F1 F2 F3 F4
Receive
HEDA Slave
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S0
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S0
Mapping Table
Mapping Table
***
**
* only one of the assigned slots per frame group may be activated on the slave
transmit side (this is blocked by the C3 ServoManager)
* only one of the assigned slots per frame group may be activated on the master or
slave receive side (this is blocked by the C3 ServoManager)
Print version available in the Internet
http://apps.parker.com/euro_emd/EME/downloads/c
ompax3/HEDA-Formulare/HEDA-Standard.pdf
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