ENABLING GRIP SWITCH
The ENABLING GRIP functional block checks the status of the In
x
inputs of an enabling grip. If this is not gripped (position 1) or is
gripped completely (position 3), the OUTPUT will be 0 (FALSE). If it
is gripped to middle position (position 2), the OUTPUT will be 1
(TRUE).
Refer to truth tables at the bottom of the page.
Parameters
Type of inputs:
- with 2 NO contacts.
- Double NO+1NC – Permits connection of an enabling grip
switch with 2 NO contacts + 1 NC contact.
Test outputs: Permits selection of the test output signals to be sent
to the enabling grip.
This additional control permits detection and management of any
short-circuits between the lines. To enable this control, the test
output signals must be configured (amongst those available).
Power-on test: If selected, enables the power-on test of the
external component (Enabling Grip). To run the test, the device must be gripped and released to
carry out a complete functional check and enable the Output terminal. This control is required
only at machine start-up (power-on of the module).
Simultaneity (ms): always active. Determines the maximum permissible time (ms) between
switching of the various signals from the external contacts of the device.
Filter (ms): Permits filtering of signals from the device control. This filter can be set to between 3
and 250ms and eliminates any rebounds on the contacts. The duration of the filter affects
calculation of module total response time.
Table mode 1 (device 2NO + 1NC)
POSITION 1: enabling grip fully released
POSITION 2: enabling grip pressed to middle position
POSITION 3: enabling grip fully pressed
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