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Instruction Manual MM850099 ed.02a

_________________________________________ 6 ________________________________________

1.1

Instrument codes

UniCal mA - A

Basic configuration of the instrument includes a soft vinyl carrying case with shoulder strap and an
instruction manual.

Table

A

Power supply

1

120V ac

50/60 Hz - USA plug

2

230V ac

50/60 Hz - Schuko plug

3

240V ac

50/60 Hz - UK plug

4

230V ac

50/60 Hz - European plug

9

Special

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Содержание UniCal mA

Страница 1: ...ALIANA s r l Viale F lli Casiraghi 409 413 20099 Sesto S Giovanni MI Italy Tel 39 02 248820 1 Fax 39 02 2440286 e u r o t r o n UniCal mA Multifunction process current indicator simulator Instruction Manual ed 02a ...

Страница 2: ...sent information has been prepared for the sole purpose of assisting operating personnel in the efficient use of the instrument Publication of this information does not convey any rights to use or reproduce it for any purpose other than in connection with the installation operation and maintenance of the equipment described herein The instrument uses sophisticated analog and digital technologies R...

Страница 3: ...ot 10 2 13 Average mode 10 2 14 Hold function 10 2 15 Digital interface 10 2 16 Case 10 3 PHYSICAL DESCRIPTION 12 4 FUNCTIONAL DESCRIPTION 13 4 1 Power supply 13 4 2 Operative keyboard 13 4 3 Input circuit 14 4 4 Microprocessor 14 4 5 Firmware 14 4 6 Digital display 14 4 7 Digital to analog converter 15 4 8 Serial digital interface 15 4 9 Battery charger Operation from line source 15 5 UNPACKING 1...

Страница 4: ...5 8 7 2 Digital output wiring practice 26 8 7 3 Adaptor TTL to RS 232 26 8 7 4 Communication protocol from UniCal mA to a computer 27 8 7 5 Computer request for UniCal settings 28 8 7 6 Communication programs 29 9 MAINTENANCE 31 9 1 Safety recommendations 31 9 2 Spare parts and accessories 31 9 3 Storage 31 10 CERTIFICATES 32 10 1 Certificate of warranty 32 10 2 Certificate of Conformity 32 11 SUP...

Страница 5: ...ode Simulator mode Normal measuring mode Loop powered measuring mode 24V dc power supply The microprocessor technology provides high accuracy on extended ranges and carries out mathematical computation average scale factor square root to simplify operator use The selection of operating mode is made on a polycarbonate membrane keyboard which assures up to one million operations per key The measured...

Страница 6: ..._____ 6 ________________________________________ 1 1 Instrument codes UniCal mA A Basic configuration of the instrument includes a soft vinyl carrying case with shoulder strap and an instruction manual Table A Power supply 1 120V ac 50 60 Hz USA plug 2 230V ac 50 60 Hz Schuko plug 3 240V ac 50 60 Hz UK plug 4 230V ac 50 60 Hz European plug 9 Special ...

Страница 7: ...mpedance Max 1 k Ω 20 mA with internal feeder 24V dc Power supply for external loop 24V dc with maximum current of 22 mA Display high contrast dot matrix alphanumeric LCD display 7x5 dots per character 16 characters Display contrast 4 step keyboard setting Scale factor Zero and span programmable within 10000 and 10000 Square root in combination with scale factor display limits 0 and 2500 Calibrati...

Страница 8: ...____________________________ 8 ________________________________________ 5 2 V nominal Program release identification release code on the display Operating environment temperature range from 5 C to 50 C Storage temperature range from 20 C to 60 C Case ABS Dimensions 210 x 96 x 40 mm Weights net 0 9 Kg gross with packaging 1 2 Kg ...

Страница 9: ...e of one million operations per key seals the internal electronics from the surrounding environment It allows the selection of the operative mode and the setting of simulation value with fast and slow upgrading Contact closure of membrane keys is acknowledged as a coded signal directly by the microprocessor 2 4 Display The high quality alphanumeric LCD display 7x5 dot matrix per character 16 chara...

Страница 10: ...linear relation 0 4 12 20 25 00 0 00 50 00 100 00 2 11 Scale factor Easy menu driven set up to read or simulate electrical signal value in terms of technical units i e bar CO RH etc 2 12 Square root Can be programmed during the set up procedure linear ranges only e g to obtain direct readings of flow from a dP transmitter signal The display limits are 0 to 2500 2 13 Average mode For the measuremen...

Страница 11: ...9 ed 02a _________________________________________ 11 ________________________________________ The case made of shock resistant and self extinguishing ABS is ergonomically designed for easy practical operation The instrument is supplied in a vinyl protective case with carrying strap for easy transportation ...

Страница 12: ...d an LCD display and a group of four Ni Cd rechargeable batteries The battery container is located on the back of the case and is accessible by sliding and removing the plastic cover The case has been designed and manufactured using modern CAD CAM techniques giving consideration to the manufacturing process and ergonomic characteristics for easy operation and transportation The two halves of the c...

Страница 13: ...four internal batteries that can be recharged through an external charger module supplied as a standard accessory The internal batteries are Ni Cd rechargeable AA type with a nominal voltage of 1 25 V A section of the power supply circuit enables following voltages function 5 V logic and analog circuits 5 V analog circuits A second section of the power supply circuit configurated as a voltage mult...

Страница 14: ...verted from analog to digital with a dedicated integrated circuit 4 4 Microprocessor The microprocessor handles all the logic functions of the instrument drives the digital display and acknowledges all operator instructions The heart of the circuit is a single chip microcomputer 68HC705C8 that utilizes HCMOS technology to provide the low power characteristics and high noise immunity of CMOS plus t...

Страница 15: ...on interface subsystem SCI on the chip of the microprocessor at 0 to 5V level An adaptor to convert TTL to RS 232 voltage levels can be obtained on request 4 9 Battery charger Operation from line source The auxiliary module supplied as a standard accessory allows operation from 110 120 or 220 240 V ac 50 60 Hz The calibrator if needed can be operated directly from a line source through the charger...

Страница 16: ...tags Inspect the instrument for scratches dents damage to case corner etc which may have occurred during shipment If any mechanical damage is noted report the damage to the shipping carrier and then notify EUROTRON directly or its nearest agent and retain the damaged packaging for inspection A label inside the battery container indicates the serial number of the instrument Refer to this number for...

Страница 17: ...orrect the pertinent label The instrument should be used in environments where the temperature does not exceed the specified limits from 5 C to 50 C and where the relative humidity is lower than 95 I n 0 00 V In case of low battery condition voltage lower than 4 5 V 0 1 V the display will show the appropriate symbol An empty symbol means that the battery package has enough energy to operate for 30...

Страница 18: ...ed to reduce ac pick up in the signal leads and to ensure good performance The input leads should not be run near ac line wiring transformers and heating elements Input output leads should if possible be twisted and shielded with the shield grounded at the end of the cable When shielded cables are used the shield must be connected to the positive terminal GENERATOR MODE PASSIVE EXTERNAL CIRCUIT In...

Страница 19: ..._____ ______________________________________ Instruction Manual MM850099 ed 02a _________________________________________ 19 ________________________________________ The fig 7 1 shows some examples of input output wiring and connections ...

Страница 20: ...harger supplied Avoid leaving the instrument with batteries totally or partially discharged for a long time without recharging To charge the batteries use only the original supplied charging module The module incorporates protection and current limiting devices not normally found in other commercial chargers 8 2 Battery charger Power supplied from power line ac The external battery charger is conf...

Страница 21: ...t site of the display indicates the version of the program installed on the instrument I N 0 00 mA Fig 8 3C The instrument will go to the previously selected operating mode i e as per fig 8 3 D Faulty conditions will be indicated as described in par 8 8 8 4 Battery voltage indication During normal operating modes measure or simulation low battery condition will be shown as per fig 8 4 A I n 0 00 m...

Страница 22: ... of variation can be accelerated by pressing FAST s or FAST t keys a single touch will be equivalent to the third significative digit L S D A x 100 8 5 2 Parameter selection To select the electrical parameter in measuring or simulation mode follow the procedure indicated below Switch the instrument ON Press the SELECT key the display will show one of the menu pages indicated in figure Press s or t...

Страница 23: ...ation or in measurement modes In the measurement mode it can be useful to store three input values pertinent to special test conditions In the simulation mode the permanent availability of three calibration values can be useful e g during the calibration of the scale of a recorder Either in measuring or simulation mode to load memory press keys SHIFT 0 SHIFT 1 SHIFT 2 The memory loaded values can ...

Страница 24: ...he indication in fig 8 5 7 A LOS XXXX mA Fig 8 5 7A Adjust with s and t keys the required zero scale value and press the ENTER key to load memory The display will show the indication in fig 8 5 7 B HI S XXXX mA Fig 8 5 7B Adjust the required technical unit full scale value and press the ENTER key to load memory The instrument will return to the measuring or simulation mode To convert the technical...

Страница 25: ...l interface The interface circuit is essentially based on the serial communication interface subsystem SCI on the chip of the microprocessor The output voltage levels are TTL at 0 to 5 V An optional adaptor to convert the voltage level from 0 to 5 V to true RS232 levels can be supplied on request This adaptor is required to interface the UniCal V with a Personal Computer 8 7 1 Digital interface pr...

Страница 26: ...turn to the original indication as per fig 8 7 1 D CAL 10056 Z mA Fig 8 7 1D ATTENTION IN ALL ABOVE PROCEDURE STEPS AVOID PRESSING KEYS SELECT ENTER OR 0 THE ABOVE KEY COMBINATIONS SHOULD BE USED ONLY DURING THE CALIBRATION PROCEDURE To exit the procedure press the OFF key 8 7 2 Digital output wiring practice The wiring to the digital output signals is made through a mini connector mounted on the ...

Страница 27: ...tor to the UniCal mA and a DB 25 connector that contains the electrical circuitry to the Personal Computer The basic circuit and interconnections are indicated in fig 8 7 3 A 8 7 4 Communication protocol from UniCal mA to a computer The exchange of information when a UniCal mA is interconnected with a Personal Computer are as follows Computer request Host UniCal mA Tx IDNAME Rx IDNAME Proceed if n...

Страница 28: ...alue Hi 7Fhex 0 over corresponding Value Lo 1 under 2 wait 3 error 4 error 6 value name 2nd complement 16bit Value Hi name x 256 value Lo name Battery AND 20 0 OK 20 Low Battery Battery AND 01 0 OK 1 Hold Battery AND 02 0 OK 2 Average CHKSUM checksum DATA1 DATA2 DATA3 DATA 4 AND FF HEX The above is useful to verify a correct transmission and receival The minimum time out of the UniCal mA is 5 seco...

Страница 29: ...t IDNAME 1 and BAUD RATE 9600 on UniCal mA see 8 7 1 Connect the UniCal mA through adapter BB530001 TTL RS232 converter to personal computer communication port COM1 Set UniCal mA in mA measurement mode IN Run the program and you will see on the screen of the computer the actual measured value once Example B PC instructions to UniCal mA see par 8 7 5 Set IDNAME 1 and BAUD RATE 9600 on UniCal mA see...

Страница 30: ...CHAR 0 20 IDNAME 1 30 INSTRUCTION 31 40 VALUE 1000 50 VALUE HEX Value 55 WHILE LEN VALUE 4 VALUE 0 VALUE WEND 60 IF LEN VALUE 4 THEN VALUE RIGHT VALUE 4 65 DATA1 VAL H LEFT VALUE 2 70 DATA2 VAL H RIGHT VALUE 2 75 DATA3 0 80 DATA4 0 90 CHKSUM DATA1 DATA2 DATA3 DATA4 AND H7F 130 OPEN COM1 9600 N 8 1 CD CS DS RS FOR RANDOM AS 1 140 PRINT 1 CHR IDNAME 150 WHILE LOC 1 0 WEND 160 IDNAME ASC INPUT 1 1 17...

Страница 31: ...n some applications there may be present a common mode voltage to earth Check for voltage between input terminals and ground as this voltage can be transmitted to other devices connected to the calibrator 9 2 Spare parts and accessories EE620007 Battery holder EE620005 Ni Cd rechargeable battery EE730008 Schuko type power plug EE730009 European type power plug EE730010 UK type power plug EE730011 ...

Страница 32: ...epairs to the EUROTRON product will void the warranty If you discover a defect EUROTRON will repair or replace the product provided you return the product during the warranty period transportation prepaid to EUROTRON This warranty applies to the original purchaser only Please include a copy of the original invoice or a small service charge may be applied Prior to returning the product for warranty...

Страница 33: ... declare under our sole responsability that the product Portable indicator calibrator type UniCal mA Name and type cat 3405 Model to which this declaration relates is in conformity with the following normative documents EN 50082 2 3 95 IEC 1000 4 2 IEC 1000 4 4 IEC 1000 4 11 ENV 50140 ENV 50141 ENV 50204 EN 55011 Title number and date of issue of normative documents following the prevision of dire...

Страница 34: ...____________________________________ ______________________________________ Instruction Manual MM850099 ed 02a _________________________________________ 34 ________________________________________ eurotron ...

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