Lenze EVS93 Series, Системное руководство

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Function library
Function blocks
3.2.19 Setpoint conditioning (CCTRL)
3−69
l
EDSVS9332K−EXT EN 4.0
Activating set profile position at CCTRL−IN
(
Stop!
Destruction of the machine!
If the outputs CCTRL−PHI−SET2 and CCTRL−PHI−SET display different values when
the set profile position is activated (CCTRL−N2−SET = LOW), this will result in
uncontrolled machine movements due to following errors.
Protective measures:
Set the outputs CCTRL−PHI−SET2 and CCTRL−PHI−SET to equal values before
activating the set profile position. You have two possibilities:
l
Direct the value at CCTRL−PHI−SET2 to the value at CCTRL−PHI−SET via the input
signal at CCTRL−NSET2.
l Set CCTRL−RESET = HIGH. By this, CCTRL−PHI−SET is set = CCTRL−PHI−ACT.
l
Set the outputs CCTRL−PHI−SET2 and CCTRL−PHI−SET to equal values.
l
Set CCTRL−N2−SET = LOW.
l The integrator for the second set machine position is reset. CCTRL−PHI−SET2 is set
= CCTRL−PHI−ACT, in order to be able to traverse from the current position when the second
set machine position is activated.
Activating the second set machine position at CCTRL−NSET2
l
Set CCTRL−N2−SET = HIGH.
Resetting the set machine position
l
CCTRL−PHI−SET = CCTRL−PHI−ACT is set with CCTRL−RESET = HIGH .
3.2.19.2 Homing
There are different possibilities of homing the drive:
l For commissioning, the reference is set once (reasonable for machines with risk of collision).
(
3−71)
l After mains connection, homing is carried out once, so that the drive finds the home position.
Possibilities for carrying out the homing process:
– Via the REFC function block ( 3−261)
– Via the function "Set reference dynamically" (see below).
l
Permanent mark registration during running operation (mark synchronisation):
– Synchronising via touch probe at terminal X5/E4. ( 3−70)
– Synchronisation via touch probe at CCTRL−TPIN. ( 3−71)
)
Note!
For a faultless homing with the REFC function block you have to deactivate the
touch probe function with CCTRL−TPIN/E4 = LOW during homing. (
3−263)