Selema 65 - 4.5 Ramp time adjustment settings

32
Service Manual
www.selema.it
DC 4Q A Series
The time shown on the right are
related to a change to step on the
reference signal input + /-VEL of 10V.
4.5 Ramp time adjustement
VEL
MOTOR
T
T
+3,3V
-2V
VEL
MOTOR
T
T
+3,3V
-2V
Ramp disabled
Ramp enabled
Ramp disabled (standard setting)
Table:
Ramp enabled
Resistance (ohm) TIME (sec)
27 Ohm 15
68 Ohm 5
100 Ohm 3,16
470 Ohm 0,8
1K Ohm 0,32
1,5K Ohm 0,26
3,3K Ohm 0,16
10K Ohm 0,086
The product is standard setting with this feature is not enabled (solder bridge S3 open)
To enable the ramp acceleration close the solder bridge S3 and insert the RACC resistance.
NOTE: The product comes standard with mounted 470ohm resistance value (0.8 sec ramp)