CD Automation srl
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11.2
Manual Mode
The manual mode can be activated by holding down the MAN button for 3 seconds, if enabled in the
configuration (group misc parameter mnFn <> nonE) and only in normal operating mode.
Il display superiore visualizza la variabile di processo.
Esistono 3 modalità di funzionamento manuale ( sempre definite in configurazione nel gruppo misc
parametro mnFn):
The upper display shows the process variable.
There are 3 modes of operation manual (always defined in the configuration parameter group misc
mnFn):
Classic Manual Mode
:
The operator sets the percentage of output power from 0 to 100% for heating only operation, from
-100% to 100% for operating heating / cooling.
The lower display shows the current power preceded by the letter
P.
The change from automatic mode to manual mode (and vice versa) will be in bumpless mode
only if the integral action has not been previously excluded.
If the transfer AUTO
►
MAN occurred during selftune, at the return in the AUTO mode the
instrument will operate in auto-tuning adaptive abled.
OFF Mode
: the operator determines the release of relay heating (if output in mA or V brings the
power to 0).
Displayed load current mode
: in this case does not change any control over the load, but
show the load current.
When switch on, the device is always in AUTO mode or, if properly selected in configuration ,the state in
which it was turned off.
11.3
Showing break-down alarm
The alarm condition detected in the measurement of current through the current transformer is indicated
in
OR
on the relay or on the relays assigned to alarm 3.
The current sampling is done only if the state's output, which is inserted in the current transformer is
maintained for at least 200ms
ON
: if during the current cycle time is not carried out any sampling, the
value shown by the lower display will be "----".
This is shown only present if the group parameter HCEn Hbdu configuration is set to ON.
