Download X5 Temperature Controller with Internal Timer
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X5-SSI-uk 18-03-2009 17:53 Pagina 32 4 - Operation 4.3.6 AL1, AL2, AL3, AL4 ALARM CONFIGURATION Up to four alarms can be configured: AL1, AL2, AL3 and AL4 (see page 31). For each alarm the following selections can be mode: A the type and the operating condition of the alarm (table 11 page 31) B the functionality of the alarm acknowledge (latching) #ltch C the start-up disabling (blocking) #bloc D alarm inhibition on sensor break E the physical output of the alarm #OpI Alarm occurrence display This function can be enabled by the configuration software. Please, read the user manual: “Serial communication and configuration software”. On Active high é-fsH Off hyd hyu On Active low é-fsl The type of alarm is presented flashing, on the front panel in alternation with the PV value. On Alarm threshold Ltch é-deH Off hyd hyu é-del On Off ∆SP - range + range Band alarm SP On Active out é-bnd Off hyd hyu ∆SP The red led of the activated alarm output is on. 32 Yes Active high Alarm threshold 275.0 The alarm, once occurred, is presented on the display until acknowledged. The acknowledge operation consists in pressing any key. SP Active low 3deH [B] ALARM ACKNOWLEDGE FUNCTION Off High range Deviation alarm page 20). It is possible to route up to 4 alarm to a single output (OR of the alarms). Absolute alarm Low range #Op2 #Op3 #Op4 The outputs can be used for alarms if they are not used as control outputs (see par. 3.3.7 [A] OPERATING CONDITIONS full scale hyd hyu ∆SP full scale Alarm threshold After this operation, the alarm leaves the alarm state only when the alarm condition is no longer present.