HMS Networks Anybus CompactCom 40 Network Manual page 161

IP Address
4. IP Address
Normally the IP numbers of PROFINET IO devices are assigned via the PROFINET network via DCP (Discovery and
Configuration Protocol). HMS Industrial Networks recommends not using the Network Configuration Object (04h,
instances #3 - #6) during the initialization phase for PROFINET modules, unless the end user has requested the IP
address to be set to a specific value (by for example using a keypad). The reason is that when a factory default
reset command is received from the PROFINET network (via DCP) the node must be available after a hardware
reset with the default IP-address (0.0.0.0).
If the IP suite is set using the Network Configuration Object (04h), the key word AddressAssignment =
"DCP;LOCAL" must be added to the GSD file in the section DeviceAccessPointItem:
<DeviceAccessPointItem AddressAssignment="DCP;LOCAL"...>
5. Station Name
Normally the Station Name of a PROFINET device is assigned by the end user via the PROFINET DCP protocol.
HMS recommends not using the Station Name instance in the Network Configuration Object during the
initialization phase for PROFINET modules. If this attribute is used, it is recommended that it is sent explicitly
when the end user changes the Station Name with e.g. a keypad. The reason is that when a factory default reset
command is received from the PROFINET network (via DCP), the node must be available after a hardware reset
with the default Station Name ("""").
NOTE
The Anybus module will forward all information about the connection being established to the IO
Controller, as commands to the host PROFINET IO Object (F6h). Even though the host application
might not need this information, a response must always be generated (such as 05h, "Unsupported
command")
6. Documentation Considerations
To obtain a certificate, the following information must be present in the customer's user manual:
1. Behavior of the outputs if IOPS=BAD.
2. Behavior of the outputs if connection is aborted.
3. Behavior of the outputs at power on.
The Anybus CompactCom handles these situations in the following ways:
1. State change to IDLE. The network is informed that the I/O data of the submodule with IOPS=BAD is
substituted with zeros (clear). No read process data is updated in the host interface.
2. State change to WAIT_PROCESS. The network is informed that the I/O data of all submodules is substituted
with zeros (clear). No process data is updated in the host interface.
3. The network is informed that the I/O data of all submodules is substituted with zeros (clear). No process
data is updated in the host interface.
4. A shift register application must use the PA signal to clear outputs when the Anybus CompactCom 40
PROFINET IRT is not in the state PROCESS_ACTIVE.
SCM-1202-021 Version 2.6
® ™
Anybus CompactCom 40 - PROFINET IRT Transparent
Ethernet
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