6. Parameter
6.1 Parameter
6-29 ME0342-4B
[43] Position Command Primary Filter Time Constant (Parameter No. 55)
No. Name Unit Input range
Default initial value setting
55
filter time constant
ms 0.0 to 100.0 0.0
The amount of first-order delay is set by parameter No. 55 "Position command primary filter time
constant". The setting unit is ms and can be set from 0.0 to 100.0 in 0.1ms increments.
Use this in the case to set the value in “Acceleration/Deceleration” box in the position table to “2:
1-step delay filter”, or in the case that there is no acceleration/deceleration function the host
controller in Pulse Train Control Mode.
This draws a more gentle acceleration/deceleration curve compared to trapezoidal patterns.
The greater the setting value is, the longer the delay is and the slower the
acceleration/deceleration is. The impact at the acceleration and deceleration will be eased, but the
cycle time will become longer.
Use for applications where minor vibrations to the workpiece during acceleration/deceleration
are to be avoided.
Refer to [4.3.5 [1] Position Command Primary Filter Time Constant] for Pulse Train Control
Mode.
However, this is not reflected for jogging/inching operations via a PC or teaching pendant.
Caution
● In the following cases the first-order delay filter becomes disabled.
1) When a position command or direct numerical value command with the first-order
delay filter is set during actuator operation.
2) When using a rotary actuator in index mode.
3) When parameter No. 55 is set to 0.
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