Fluidwell F127-P-EL-TP, Руководство пользователя

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Page 42
FW_F127PELTP_v1702_02_EN
Outputs
Analog output
Function transmitting differential flow rate.
Accuracy 10 bit. Error < 0.05% - update 10 times a second.
Software function to calibrate the 4.00mA and 20.00mA levels precisely within set-up.
Load max. 1 kΩ
Type AA Active 4-20mA output (requires type OA + PD, PF or PM).
Type AB Active 0-20mA output (requires type OA + PD, PF or PM).
Type AF Passive floating 4-20mA output for Intrinsically safe applications (requires PC or PD).
Type AI Passive galvanic isolated output (requires PB, PD, PF, PL or PM).
Type AP Passive 4-20mA output - output loop powered.
Type AU Active 0-10V output (requires type OA + PD, PF or PM).
Switch outputs
Function One pulse output - transmitting accumulated total.
Pulse output Max. frequency 500Hz. Pulse length user definable between 0.001 up to 9.999 seconds.
Type OA Active 24V DC transistor output; max. 50mA per output (requires type AA + PD, PF or PM).
Type OR Isolated mechanic relay output; max. switch power 230V AC - 0,5A (requires type PF or PM).
Type OT Passive transistor output - not isolated. Load max. 50V DC - 300mA.
Communication (option)
Protocol bus-rtu; bus-asc
Speed 1200; 2400; 4800; 9600
Addressing 1 - 247
Type CB RS232
Type CH RS485 2-wire
Type CI RS485 4-wire
Type CT TTL Intrinsically safe communication.
Type CX no communication.
Operational
Operator functions
Shown functions 
Compensated differential total and/or compensated differential flow rate.

Compensated differential total and compensated differential accumulated total.

Inlet temperature and compensated flow rate.

Outlet temperature and compensated flow rate.

Compensated differential total can be reset to zero by pressing the CLEAR-key twice.
Total
Digits 7 digits.
Unit L; m
3
; kg; lb; GAL; USGAL; bbl; no unit
Decimals 0000000; 111111.1; 22222.22; 3333.333
Total can be reset to zero.
Accumulated total
Digits 11 digits.
Unit / decimals According to selection for total.
Flow rate
Digits 7 digits.
Unit mL; L; m
3
; mg; g; kg; ton; gal; bbl; lb; cf; rev; - - - - (no unit); scf; nm
3
; nL; p
Decimals 0000000; 111111.1; 22222.22; 3333.333
Time units /sec; /min; /hour; /day
Line temperature
Digits 6 digits.
Units °C; °F; K
Decimals 1
Normal temperature default: 273.15 K - any temperature can be set.
Flow equations
Type EL Equations Liquid - flow computer for corrected liquid volume
Formula
Qnormal = Q * (1 +

(Tnormal - T)) where

= thermal expansion coefficient.