EN 20
Absolute alarm, referring to command setpoint
Status alarm (active in Run / Start)
Cooling action
Status alarm “load control” (Loop Break Alarm)
Example: status of contactors / SSR or heating elements
21 Alarm 1 State Output: Alarm 1 output contact and
intervention type
(N.O. start) Normally open, active at start
(N.C. start) Normally closed, active at start
(N.O. threshold) Normally open, active on reaching alarm
2
(N.C. threshold) Normally closed on reaching alarm
2
22 Alarm 1 Reset: Alarm 1 contact reset type
Automatic reset (Default)
Manual reset
Manual reset stored
(keeps relay status also after an eventual power failure)
23 Alarm 1 State Reset: State of contact for alarm 1 output in case of error
Open contact (Default)
Closed contact
24 Alarm 1 Led: Defi nes the state of the OUT2 led
corresponding to the relative contact
ON with open contact
ON with closed contact (Default)
25 Alarm 1 Hysteresis
-999…+999 digit* (tenths of degree if temperature), Default: 0.0.
26 Alarm 1 Delay
-180…+180 seconds.
Negative: delay in alarm output phase.
Positive: delay in alarm entry phase.
Default: 0.
The display of the decimal point depends on the setting of parameter and
the parameter
.
*
2
On activation, the output is inhibited if the controller is in alarm mode. Activates only if
alarm condition reappers, after that it was restored.
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