Parker EME
Communication
192-121102 N04 June 2008 407
Data transfer from Slave to Slave.
HEDA communication structure with data transfer from Slave to Slave:
F1 F2 F3 F4
Receive
F1 F2 F3 F4
Transmit
HEDA Master
S
0
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
1
0
S
1
1
S
1
2
S
1
3
S
1
4
S
1
5
S
1
6
S
1
7
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
F1 F2 F3 F4
Transmit
F1 F2 F3 F4
Receive
HEDA Slave
F1 F2 F3 F4
Transmit
F1 F2 F3 F4
Receive
HEDA Slave
Mapping Table
Mapping Table
Print version available in the Internet
http://apps.parker.com/divapps/eme/EME/downloads/compax3/HEDA-Formulare/HEDA_adv.pdf
If a transmit slot of the HEDA master is not assigned, the master will pass the
received data directly on to the slaves (independent of his reading from this slot or
not).
I.e. if a transmit slot of the master where a slave is sending is disabled, the data will
be passed on and can be received from any slave on this slot.
It is, however, valid:
All transmit slots must send!
This is also true, if a slave sends on this slot.
Please note:
Please ensure that all slots are used for transmission, the C3 ServoManager
cannot verify this fact!
In order to verify this, please use the HEDA communication structure.
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