ADP200 Application PID-IMM User Manual Pag. 78 of 80
The alarm come on when on PDO monitored there is a timeout.
The “divergent master” monitors the PDO from the “divergent slave” and vice-versa.
The timeout time is controlled by the parameter 11618 RPDO Timer.
NegSpeed error: (AlmPlc7 - code 39)
The Negative Speed alarm intervenes if the pressure sensor malfunctions or if the voltage
or electrical current read by the sensor is not 0.
Or if the time of the alarm intervention may have been set too short.
In fact, it should be taken into consideration that normally the pump is only allowed to rotate
in a negative direction for a short period of time, in order to stimulate depressurisation of the
hydraulic circuit; see Chapter SAT_LIMIT.
In such cases, the setting of parameter 11050 Max Neg Speed Time should be checked.
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