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1592001830 XC645D GB r3.4 04.09.2017.docx XC645D 29/50

17.14 Other

tbA Alarm relay silencing: by pushing one of the keypad buttons. no= alarm relay stays on;

yES= alarm relay is switched off by pushing any keys.

OAP Alarm relay output polarity: cL=closed when activated; oP= opened when activated

oFF Switching ON/OFF enabling from keyboard: (no = disabled; yES= enabled) It permits

the switching ON/OFF of the instrument by pressing the SET key for more than 4s.

bUr Buzzer enabling

no = the buzzer is not used in case of alarm

yES = buzzer is used in case of alarm

Adr: Serial address (1 –247) It is used in monitoring system.

rEL Software release for internal use.

Ptb Parameter table code: readable only.

Pr2 Access to Pr2 parameter level

18. Type of regulation

18.1 DIGITAL COMPRESSOR REGULATION

18.1.1 Digital scroll: main parameters set up

EG: Plant with 2 compressors (one of them digital) e 2 fans default configuration with PP11,

PP30 pressure transducers:

oA1 = dGS

oA2 = CPr,

oA3 = FAn,

oA4 = FAn,

dGty = SCrL

The pressure is adjusted by a PI regulation.

Emerson Dixell XC645D User Manual

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