
WAGO-I/O-SYSTEM 750
Commissioning
91
750-632 Proportional Valve Module
Manual
Version 1.3.0, valid from FW/HW-Version 01/01
9.1.1.3.5 “Dither Generator” Menu Item
The “Dither generator” can be parameterized using this menu item. The static
friction as well as the response threshold and hysteresis can be significantly
reduced for each valve. Dithering can be switched off at low PWM frequencies.
Figure 49: “Dither Generator” Menu Item
Table 60: “Dither Generator” Menu Item
Option
Description
Dither Generator
Enable
The dither generator is activated.
The dither generator is deactivated.
Frequency
The frequency of the dither generator can be selected here. This value
corresponds to the
#DG_FREQ
parameter.
Amplitude
The amplitude can be specified in a percentage relationship to the
nominal current here. Values up to a maximum of 50% are possible. This
value corresponds to the
#DG_AMPL
parameter.
Power-On Ramp
The value for the start up ramp can be entered here. This value
corresponds to the
#DG_RAMP_ON
parameter.
Shutdown Ramp
The value for the shut off ramp can be entered here. This value
corresponds to the
#DG_RAMP_OFF
parameter.