REGOLATORE CONTROLLER ATR121 ATR141 Manuale User ...
REGOLATORE CONTROLLER ATR121 ATR141 Manuale User ...
REGOLATORE CONTROLLER ATR121 ATR141 Manuale User ...
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3 CHANGE OF SETPOINT VALUE<br />
To modify the setpoint value, press SET key or one of the arrow-keys: led<br />
OUT1 flashes and it is now possible to enter/modify setpoint value by<br />
pressing the arrow-keys.<br />
1<br />
2<br />
Press Display Do<br />
Display shows main<br />
setpoint; Led<br />
or<br />
OUT1 flashes.<br />
Press or<br />
or<br />
To modify setpoint (fast<br />
advancement available).<br />
SET<br />
SET<br />
Display shows<br />
alarm setpoint and<br />
led OUT2 flashes.<br />
4 LIST OF ERROR MESSAGES<br />
Approx. 4 seconds after last<br />
modify, display shows again<br />
process value (value read by<br />
sensor input).<br />
Press or to<br />
increase or decrease setpoint<br />
value.<br />
When the keys are released,<br />
the new value is automatically<br />
stored and in a few seconds<br />
display shows again process<br />
value.<br />
If the plant does not work properly, the controller stops the running cycle<br />
and shows the anomaly.<br />
For example the controller will notice the failure of a thermocouple<br />
displaying (flashing).<br />
For further error signs check the list below.<br />
Error Cause Do<br />
Programming error EPROM. -<br />
Cold junction failure or room -<br />
temperature out of range<br />
Wrong configuration data. Check configuration<br />
Possible lost of calibration values parameters<br />
5
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