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MIW-EVS-DM-EN-000 - 14 / 03 / 2016 11 - 16
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OPERATING INSTRUCTIONS
OPERATION MODES
In Modbus mode you control the parameters: Umax, Umin, Kick start / Soft start,
Off level enable / disable and Off level value through Modbus registers.
In Standalone mode you control the parameters: Umax, Umin, Kick start / Soft start,
Off level enable / disable and Off level value by means of the hardware settings (DIP
switch, trimmers, jumpers).
In Normal mode if Off level is disabled, Softstart / Kickstart is executed only once -
after the controller is supplied; otherwise Softstart / Kickstart is executed every
time the controller is switched on.
When Timer mode is selected, the controller receives a pulse control signal from the
remote control switch. When Logic mode is selected, the controller receives a pulse
control signal from the Ai input.
In both modes Timer mode and Logic mode the pulse width is to be more than 30
ms; otherwise the signal is filtered.
FRONT PANEL LED INDICATION
When the green LED on the front cover (Fig. 10) gives out a continuous light, the
controller operates in normal mode. When it blinks:
►
the controller operates in remote control mode, or
►
OFF level is enabled and the analogue input signal is below the OFF level value.
Fig. 10 Operation indication
EVS
ELECTRONIC FAN SPEED
POWER MODULE WITH MODBUS RTU
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