SENSOR
Using the SENSOR function block the input sta-
tus for a sensor (not a safety sensor) is
checked. If the beam from the sensor is ob-
scured (output on the light barrier FALSE), the
OUTPUT output is "0" (FALSE). Conversely, if
this beam is not occupied and the output on
the sensor is "1" (TRUE), the OUTPUT output is
"1" (TRUE).
Parameters
Manual Reset: If selected, a reset can be re-
quested each time the area protected by the
sensor is occupied. Otherwise the activation of
the output will correspond directly to the input
conditions.
There are two types of reset: "Manual" and
"Monitored". On the selection of the manual reset, the system only checks the signal tran-
sition from 0 to 1. With the monitored reset the double transition from 0 to 1 and then
back to 0 is checked.
WARNING: If Manual Reset is selected, the next Input must be used. Example: If In-
put1 is used for the function block, Input2 must be used for the reset input.
Output Test: Using this option you can select which test output signals are to be sent to
the sensor. Short circuits between the wires can be detected and rectified by means of
this additional check. For this purpose it is necessary to configure the test output signals
(from the test output signals available).
StartUp Test: If selected, the test is undertaken on switching on the sensor. This test is
undertaken by occupying and clearing the area protected by the sensor to carry out one
complete function test and to activate the output. This test is only requested on starting
the machine (on switching on the module).
Filter (ms): This parameter makes it possible to filter the signals that are received from the
sensor. The filter can be set to between 3 and 250 ms and removes any contact bounce. The
time set for the filter affects the calculation of the total response time of the module.
Enable Out Error: If selected, an error detected by the function block is signaled.
Item Description: Here you can enter a functional description for the component. The text
is displayed in the upper part of the symbol.
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