Softing FG-200 HSE/FF, User Manual

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FG-200 HSE/FF Modbus - User Manual
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Version EN-112021-1.30.3
5
Working with the FG-200 HSE/FF Modbus
5.1 FG-200 acts as a Modbus / FF-H1 Gateway
Main purpose: PLC with Modbus interface accesses IO parameters of FF-H1 field devices
FG-200 supports access to IO parameters of FF-H1 field devices via client/server connections (CLT/SRV
connections) and via publisher/subscriber links (PUB/SUB links).
When accessing device IO parameters it is not possible to mix CLT/SRV connections and PUB/SUB links. For
the selection of the communication mode see below.
5.1.1 FG-200 acts as link active scheduler
If FG-200 acts as a link active scheduler , no other FF host system is connected to the H1 segment.
For accessing field device parameters CLT/SRV connections as well as PUB/SUB links can be used.
PUB/SUB links are the standard way for accessing IO parameters in FF installations. If you want to use
PUB/SUB links, you have to configure them using the configuration tool comConf. For more information
see the Configuration Communication Tool User Guide.
As there is no other FF host system you have to download the function block schedule into the field
devices. You can generate the function block schedule and download it to the field devices by means of
comConf.
Before you go online with the comConf update your general settings in the FG-200's web interface. Go to
Configuration
à
Settings
à
General Settings:
If you have changed your settings click [Change Settings] to apply the new values. For more configuration
details, see the Configuration Communication Tool User Guide.
5.1.2 FG-200 acts as visitor host
In this case the FG-200 is connected to an H1 segment that is controlled by another FF host system. The
links between the FF field devices and the FF host system are working. The FG-200 is not allowed to disturb
the operation by reconfiguring working communication paths.
The FG-200 is just allowed to use CLT/SRV connections for reading contained parameters and function
block output parameters. The parameters to be read have to be configured in the Softing Configuration
Communication Tool (comConf). See the comConf User Guide for more details.
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