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1.2 Front Operating Controls

(1)

LED DISPLAY

4-digit 7-segment and minus f. meas. and progr. values

2-digit 14-segment for dimension or function

(2)

MEAS. CHAN.

(

clamp. conn. or

ALMEMO

without display)

(3)

ALARM LAMPS

A1 and A2 for limit value 1 and limit value 2

(4)

FUNCTION KEYS

ENTER

▲

▼

entering programming values

▲

ENTER

CLR

clear data, set measured value to zero

MEAS.VAL.

▲

selection of meas. value and meas. point

selection of measuring functions

max value (Hi)

min value (Lo)

conversion rate

for humidity, dyn. press. a. O

sensors

atmospheric pressure

" for pH and dyn. pressure probes

temperature compensation

selection of programming functions

range

limit value 1 max/min (Hi/Lo)

H1/L1

limit value 2 min/max (Lo/Hi)

L2/H2

hysteresis

base value

factor

exponent

zero point correction

slope (gain) correction

^ for IR sensors

ambient temperature

emissivity factor

locking mode

with interface module

baud rate

device address

analogue output - start

analogue output - end

analogue output type 0/4-20

ALMEMO



4490-2

Operating Controls

Содержание ALMEMO 4490-2

Страница 1: ...Operating Instructions Switchboard Instrument ALMEMO 4490 2 V1 2 04 12 2003 ALMEMO 4490 2 1...

Страница 2: ...perating Controls 10 2 INITIAL OPERATION 11 3 POWER SUPPLY 11 3 1 Mains Operation 11 3 2 DC Voltage Supply 11 3 3 Data Storage Reinitialisation 11 4 CONNECTION OF THE TRANSDUCERS 12 4 1 Transducers 12...

Страница 3: ...ing Point 25 7 1 2 Conversion Rate Continuous Measuring Point Scan 26 7 1 3 Memory for Peak Values 26 7 1 4 Setting Measured Values to Zero Zero Point Correction 27 7 1 5 Atmospheric Pressure Compensa...

Страница 4: ...MO networking system manual section 5 3 All functions and their control via the interface manual section 6 A complete interface command list with all print outputs manual section 7 These operating ins...

Страница 5: ...easuring frequencies and pulses This way nearly all sensors can be connected to any ALMEMO measuring instrument and are interchangeable without requiring any settings Function Channels Maximum minimum...

Страница 6: ...keypad The selected measuring point can be scanned with a conversion rate of 2 5 or 10 measurements second The measured value is calculated and indicated on the display or if available provided on th...

Страница 7: ...pure measuring time is used for the recording of any measurement Print Cycle The print cycle is programmable between 1s and 59h 59min 59s It allows a cyclic output of measured values to the interface...

Страница 8: ...e print header can be programmed specifically to the company or application Networking All ALMEMO devices can be addressed and can be easily networked by a simple connection with network cables or net...

Страница 9: ...unctions max value Hi MH min value Lo ML conversion rate CR for humidity dyn press a O2 sensors atmospheric pressure mb for pH and dyn pressure probes temperature compensation TC F2 selection of progr...

Страница 10: ...ca 7V DC 50 mA not electrically isolated Option V1 12V DC 30 mA electrically isolated Option V2 12V AC 50 mA electrically isolated 9 ALMEMO socket M meas chan M0 to M3 for all ALMEMO sensors Output S...

Страница 11: ...600 bd 8 data bits 1 stop bit no parity at peripheral device see 9 1 Enter commands by using the terminal of AMR Control see man 6 3 POWER SUPPLY Before connecting any supply voltage refer to the type...

Страница 12: ...strial environments When performing the cabling it must be considered that the leads are not wired near magnetic valves contactors and motors and that they are not guided together with leads for such...

Страница 13: ...can be combined in one connector e g rH Ntc mV V mA V etc The measuring input outputs and power supply are electrically isolated from each other and a potential difference of 50V at maximum is permiss...

Страница 14: ...l Operating Conditions Segment test of the display automatically after switching on Sensors that are not connected de activated measuring points cleared programming values Alarm Conditions are display...

Страница 15: ...nt EX 3 Zero Point Correction ZC 4 Slope Gain Correction SC 4 Ambient Temperature AT 4 Emissivity Factor EF 4 Locking Mode LM 5 Baud Rate BR 6 Device Address A 6 Analogue Output Start AS 8 Analogue Ou...

Страница 16: ...4 Data Input The programming of numeric parameters is performed as follows Selection of the function by using the keys F1 or F2 or F1 F2 The programming is started by pressing the key ENTER The first...

Страница 17: ...y must be pressed and held for approx 1 sec If the channels are locked only the activated channels will be considered Therefore the selection of a so far not programmed channel is only possible if the...

Страница 18: ...00 0 C IrCo Cu CuNi U ZA 9000 FS 200 0 600 0 C CUCO Cu CuNi T ZA 9000 FS 200 0 400 0 C CoCo PtRh10 Pt S ZA 9000 FS 0 0 1760 0 C Pt10 PtRh13 Pt R ZA 9000 FS 0 0 1760 0 C Pt13 PtRh30 PtRh6 B ZA 9000 FS...

Страница 19: ...46 0 0 500 0 g kg H AH Dew point temperature FH A646 25 0 100 0 C H dt Partial vapour pressure FH A646 0 0 1050 0 mbar H UP Enthalpy w PC FH A646 0 0 400 0 kJ kg H En Humid temperature ZA 9000 FS 30 0...

Страница 20: ...ion of the measuring range by any other dimension that has two digits see manual 6 3 5 In addition to all capital and normal letters the characters and spaces _ are available The dimension is indicate...

Страница 21: ...ts can be set in function HY within a range from 00 to 99 digits As a standard limit value 1 is programmed as max value function H1 and limit value 2 as min value function L2 The switch function can b...

Страница 22: ...unction SLOPE CORRECTION SC Selection with key F2 Input according to 5 4 1 5 0 0 SC Sensor Adjustment To simplify the correction of sensors for the zero point and possibly also the slope gain a key co...

Страница 23: ...Point Setting The FACTOR can be programmed in the range from 2 0000 to 2 0000 For factors higher than 2 0 or lower than 0 2 a corresponding decimal point setting must be considered by entering the EX...

Страница 24: ...on is not possible Locking Level Locked Functions 0 none 1 measuring range element flags 2 measuring range zero point and slope correction 3 measuring range dimension 4 zero point and slope correction...

Страница 25: ...be displayed After a reset see 3 3 this will be channel M0 After selecting other functions using the keys F1 and F2 it is possible to return to the display of the measured value by using the key MEAS...

Страница 26: ...gue outputs Function CONVERSION RATE CR Selection with key F1 F1 3 C R Example 2 5 M s one meas point only Change with keys ENTER 1 0 C C R Example 10 M s continuous scanning 7 1 3 Memory for Peak Val...

Страница 27: ...CLR B A Zero Point Correction Many sensors must be adjusted at least once or at regular intervals to compensate for instabilities For this purpose and in addition to the Set Measured Value to Zero me...

Страница 28: ...flow The correction value must be entered before the conversion pressure to velocity is performed For the ranges L840 and L890 an adjustment is possible even if the channel is locked The zero point er...

Страница 29: ...3mb It can be set to the actual value by the usual data entry see 5 4 7 1 6 Temperature Compensation Sensors with measured values that are strongly depending on the temperature of the measuring medium...

Страница 30: ...ns will be performed For cyclic measuring point scans the print cycle or measuring cycle s man 6 5 2 3 must be programmed Depending on the application the output format can be selected as list format...

Страница 31: ...programmable for each channel i e when manually switching through the channels it is possible to set an own scaling for each measuring variable 9 DIGITAL DATA OUTPUT The serial interface can be used t...

Страница 32: ...o centrally acquire the measured values of several instruments that are located at different places s man 5 3 For communicating with networked devices it is mandatory that each device has its own addr...

Страница 33: ...273 0 C FACTOR FA F2 FACTOR 01 1 0350E 1 EXPONENT EX F2 FACTOR 01 1 0350E 1 ZEROPOINT ZC F2 ZERO CORR 01 0000 7 C SLOPE GAIN SC F2 SLOPE CORR 01 1 0013 ANALOG START AS F2 ANALOG START 01 0000 0 C ANAL...

Страница 34: ...during operation Remedy Check cabling for inadmissible electrical connection Disconnect external power supply and output modules disconnect suspicious sensors and replace them by hand held sensors in...

Страница 35: ...llows to print the monitor pages including the programming and also to save the terminal operation and to print it out 11 ELECTROMAGNETIC COMPATIBILITY The measuring instrument ALMEMO 4490 2 bears the...

Страница 36: ...0 2 Operating Instructions ALMEMO 4490 2 ALMEMO Manual with Software AMR Control Product Overview Order No Switchboard Instrument ALMEMO 4490 2 1 tip jack and 1 ALMEMO socket 4 meas channels at max 4...

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