Emerson XEV22D Specifiche Scaricare il pdf (Pagina 29)

MODBUS Termination Blocks Standard Values • 23

18 Standard Values

Label Description Range Default Level

Fty Kind of gas R22, 134, 404, 407, 410, 507, CO2 404 Pr2

PEo Probe error opening percentage 0 to 100% 50 Pr2

PEd Probe error delay before stopping regula-

tion

0 to 239 sec - On On Pr2

tEU Type of stepper motor uP – bP bP Pr2

tEP Automatic valve configuration 0 to 10 1 Pr2

LSt Minimum number of steps 0 – Ust See tEP Pr2

Ust Maximum number of steps LSt – 800 * 10 See tEP Pr2

Sr Step rate 10 to 600 step/s See tEP Pr2

CPP Current per phase (only bipolar valves) 0 to 100 * 10mA See tEP Pr2

CHd Holding current per phase (only bipolar

valves)

0 to 100 * 10mA See tEP Pr2

oPE Start opening percentage 0 to 100% 85 Pr2

SFd Start function duration 0.0 to 42.0 min: tens of seconds 1.3 Pr2

Sti Stop regulation interval 0.0 to 24.0 hr: tens of minutes 0 Pr2

Std Stop duration 0 to 60 min 0 Pr2

MnF Maximum opening percentage 0 to 100% 100 Pr2

FOP Forced opening time-out 0 to 100% - not used not

used

Pr2

PI PARAMETERS (For trained staff use only)

Pb Proportional band 0.1 to 50.0°C/ 1 to 90°F 10.0 Pr2

rS Band offset -12.0 to 12.0°C/ -21 to 21°F 0.0 Pr2

inC Integration time 0 to 255 sec 120 Pr2

PROBE PARAMETERS

tPP Type of pressure transducer 420 - 5V- LAn 420 Pr2

LPP Enable pressure probe sending in LAN n to YnPr2

PA4 Probe value at 4mA or at 0V

(related to PrM parameter)

-1.0 bar/ -14 PSI -0.5 Pr2

P20 Probe value at 20mA or at 5V

(related to PrM parameter)

PA4 to 50.0 bar/ 725 PSI 11.0 Pr2

OPr Pressure probe calibration -12.0 to 12.0 bar/ -174 to 174 psi 0 Pr2

ttE Type of temperature probe PtM to ntC PtM Pr2

otE Temperature probe calibration -12.0 to 12.0°C/ -21 to 21°F 0 Pr2

DIGITAL INPUTS

i1P Free of voltage digital input polarity

CL – OP CL Pr2

d1d Digital input 1 (free of voltage) activation

delay

0 to 255 min 0 Pr2

Table 18-1 - XEV22D Standard Parameter Values

1 2 ... 24 25 26 27 28 29 30

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Emerson XEV22D Specifiche Pagina 29

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