Operation
EL691052 Version: 1.4.1
Channel interface Description
Both deactivated Both inputs deactivated
Single-Channel 1 Activated channel 1: single channel evaluation
channel 2: deactivated
Single-Channel 2 Activated channel 1: deactivated
channel 2: single channel evaluation
Single-Channel Both Activated channel 1: single channel evaluation
channel 2: single channel evaluation
Two-Channel Both inputs activated and two channel evaluation with discrepancy
time (ms)
If the Two-Channel evaluation is enabled, the corresponding Discrepancy time (ms) can be set in
milliseconds. For each input there is a setting to indicate whether the input should be evaluated as Break
Contact (NC) or Make Contact (NO). When a variable or a connecting line is connected to the function block,
the corresponding channel is enabled automatically.
Fig.55: Make Contact (NO) / Break Contact (NC) setting
These settings are also accessible for each individual port of an FB via the context menu Change InPort
Settings.