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AE0ZP0EC - AC-0 SSL SENSORED - User Manual
potentiometer on CNA#18 is at the maximum. If the EVP1 is programmed
like a On/Off valve (see VALVE 1 TYPE in “Set options” submenu), this
parameter determines the fixed voltage applied on the electrovalve coil. The
EVP1 is connected on the pin 8 of the MDI-PRC (see TRUCK TYPE in “Set
options” submenu for the handling).
21) MAX VALVE 2
(MDI-PRC version only). 0 to 255 digit. This parameter determines the
maximum voltage applied on the EVP2 when the position of the
potentiometer on CNA#18 is at the maximum. If the EVP2 is programmed
like a On/Off valve (see VALVE 2 TYPE in “Set options” submenu), this
parameter determines the fixed voltage applied on the electrovalve coil. The
EVP2 is connected on the pin 9 of the MDI-PRC (see TRUCK TYPE in “Set
options” submenu for the handling).
22) VALVES VOLTAGE
(MDI-PRC version only). A nominal Battery voltage from 12 V to 120 V. This
parameter specifies the nominal voltage of the On/Off valves coil (EVD1 and
EVD2 connected to pin #6 and pin#4 of the MDI-PRC). The MDI-PRC,
supported by the AC-0, is able to control Electrovalves at a nominal voltage
lower than the Battery voltage. For example Battery to 48 V and Valves to 24
V: then it is necessary that the MDI-PRC generates an output voltage with a
PWM technique never overtaking the 50% Duty Cycle to get the Valve’s
voltage less equal than 24 V. Through this setting it is possible to take care
the voltage on the EVD1 and EVD2 never overcomes the nominal voltage of
the valves.
23) VALVE3 VOLTAGE
(MDI-PRC version only). A percentage from 0% to 100%. This parameter
determines the voltage applied to the EVD1 (this is connected on the pin #6
of the MDI-PRC) in percentage of the above VALVES VOLTAGE setting. The
voltage applied to this electrovalve is a PWM technique generated by the
MDI-PRC: the Duty Cycle is modulated in order that, the voltage applied to
these On/Off valve, is the wished percentage of the VALVES VOLTAGE (e.g.
Vbatt=48 V, VALVES VOLTAGE=24 V, VALVE 3 VOLTAGE=100% means
the MDI-PRC generates a PWM with a 50% duty on the EVD1).
24) VALVE4 VOLTAGE
(MDI-PRC version only). A percentage from 0% to 100%. This parameter
determines the voltage applied to the EVD2 (this is connected on the pin #4
of the MDI-PRC) in percentage of the above VALVES VOLTAGE setting. The
voltage applied to this electrovalve is a PWM technique generated by the
MDI-PRC: the Duty Cycle is modulated in order that, the voltage applied to
these On/Off valve, is the wished percentage of the VALVES VOLTAGE (e.g.
Vbatt=48 V, VALVES VOLTAGE=24 V, VALVE 4 VOLTAGE=100% means
the MDI-PRC generates a PWM with a 50% duty on the EVD2).
25) V1 OPENING RAMP
(MDI-PRC version only). A time units value (from 0.0 to 2.0 seconds). This
parameter determines the ramp of voltage applied on the EVP1 (pin #8 MDI-
PRC) in the opening transition (if proportional); this is the time necessary to
go from the minimum to the maximum voltage. If the electrovalve is
programmed like an On/Off valve this parameter is not effective.
