Ddl Data Line - Aventics DDL Instrucciones De Servicio

Sercos iii
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AVENTICS | SERCOS III | R412012613–BDL–001–AC
Combination modules and the EP pressure regulator consist of
two function groups with the same instance for the input and
output sides, respectively. The parameters are always assigned
to the output side.
Takeover of the parameters is carried out by a "CP3 transition
check" (IDN/S-0-0127).
The following table provides an example configuration with the
respective IDNs for the parameter data:
Table 12:
Example configuration of a DDL system
DDL participants
Bus coupler (R412012520)
VS with 8 valves
without inputs
8 digital inputs
(3375002000)
8/8 digital inputs/outputs
(R412006712)
EP pressure regulator
(5610141550)

13.5 DDL data line

The output of the DDL is short-circuit-resistant on all lines.
However, DDL participants can be damaged if 24 V is applied to
the DDL H and DDL L signal lines.
For this reason, it is recommended to use preassembled cables.
The assignments for DDL connections are described in the DDL
system description.
The DDL termination plug is needed if the module is the last or
only participant of a DDL line. This ensures a defined line
termination, and the module complies with the IP 65 protection
class.
DDL address
Parameter
1
S-0-1502.1.20
1 byte
2
S-0-1503.2.20
1 byte
3
S-0-1502.3.20
1 byte
4
S-0-1504.4.20
1 byte
67
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