Application Guide Chapter 4
GFK-2928C Oct 2019
Toolchest Components 16
Figure 18: GCG Assignments – Bus B
BUS.GCG_B.PRI_NUM The PROFINET Device Number for the Primary PLC Gateway module
attached to Bus B.
BUS.GCG_B.SEC_NUM The PROFINET Device Number for the Secondary PLC Gateway
module attached to Bus B.
BUS.GCG_B.PSDA The PROFINET Status/Diagnostic bits for the Gateway module
attached to Bus B.
BUS.GCG_B.GSDA The Genius Device Status bits for the Gateway module attached to
Bus B.
Dual Bus Parameters
Figure 19: Dual Bus Parameters
BUS.DEF_TO The Default Timer Preset establishes the time interval (in
milliseconds) during which inputs are frozen while a device is
missing from Bus A AND from Bus B.
BUS.DEF_HLS This parameter (a Boolean) determines the behavior of a missing
device:
If the parameter is set to 0, the inputs for that device will default to
OFF or 0 after the Default Timer expires.
If the parameter is set to 1, the inputs for that device will be frozen
in their last state until the device is reattached to either Bus A or Bus
B.
BUS.DI_OFST This applies to discrete inputs. It is the reference offset between a
discrete input configured on Bus A and the alternate address on Bus
B. For instance, a device configured at %I0001 on Bus A must be
configured at %I (1+DI_OFST) on Bus B. The offset must be in
multiples of 8 (i.e., on a byte boundary).
BUS.AI_OFST This applies to analog inputs. It is the reference offset between an
analog input configured on Bus A and the alternate address on Bus
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