Simex SRP-946 User Manual Download Page 1

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User manual

METER

SRP-946

•

Firmware: v.6.00 or higher

•

Input type: 0/4-20 mA, 0/1-5V, 0/2-10V

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6 x 13 mm display

2014.11.06

SRP-946_INSSXEN_v.1.00.001

Read the user's manual carefully before starting to use the unit or software.

Producer reserves the right to implement changes without prior notice.

For pricing or any further information, please contact Omni Instruments Ltd.

Email: [email protected]

or visit our website at

www.omniinstruments.co.uk

Summary of Contents for SRP-946

Page 1: ...P 946_INSSXEN_v 1 00 001 Read the user s manual carefully before starting to use the unit or software Producer reserves the right to implement changes without prior notice For pricing or any further i...

Page 2: ...26 7 3 MENU DESCRIPTION 26 7 3 1 rEL1 menu 27 7 3 2 bEEP menu 29 7 3 3 inPt menu 29 7 3 4 OutP menu 34 7 3 5 bri parameter 36 7 3 6 HOLd menu 36 7 3 7 SECu menu 37 7 3 8 rS menu 37 7 3 9 Edit paramet...

Page 3: ...g to this manual local safety and EMC regulations If the device is equipped with PE connector it should be connected to PE wire Otherwise PE wire should be connected to GND connector The unit must be...

Page 4: ...10 2 10V Current input has additionally overcurrent protection circuit which protects standard resistor The selection of active input is realised by software and selected input can be changed at any t...

Page 5: ...65 typical 55 Accepted prolonged input overload 20 Voltage input 0 5 V 1 5 V 0 10 V 2 10 V Voltage measurement accuracy 0 1 25 C one digit for 0 10 V range Voltage input resistance 50 k Accepted prol...

Page 6: ...using type Housing material Housing dimensions Mounting hole Assembly depth Panel thickness panel NORYL GFN2S E1 96 x 48 x 100 mm 90 5 x 43 mm 102 mm max 5 mm Operating temperature depending on versio...

Page 7: ...ions against unauthorized persons must be taken into consideration 4 1 UNPACKING After removing the unit from the protective packaging check for transportation damage Any transportation damage must be...

Page 8: ...4 3 The minimum distances between the centre points of multiple units due to the thermal and mechanical conditions of operation are 115 mm x 67mm Figure 4 4 Figure 4 1 Recommended mounting hole dimens...

Page 9: ...ns The unit is not equipped with an internal fuse or power supply circuit breaker Because of this an external time delay cut out fuse with a small nominal current value must be used recommended bipola...

Page 10: ...ck Due to possible significant interference in industrial installations appropriate measures assuring correct operation of the unit must be applied To avoid the unit of improper indications keep recom...

Page 11: ...bottom number Figure 4 6 Terminals description relay outputs Figure 4 7 Terminals description OC type outputs 11 GND DATA DATA RS 485 Uo 24V 5 10 Imax 100mA 1 2 5 6 7 8 9 10 11 12 13 14 15 3 4 31 32...

Page 12: ...ptional ACTIVE current output optional n c n c GND 0 1 5V 0 2 10V 0 4 20mA GND DATA DATA RS 485 Uo 24V 5 10 Imax 100mA 1 2 5 6 7 8 9 10 11 12 13 14 15 3 4 31 32 33 34 35 OC1 OC2 OC1 OC2 Umax 30V DC Im...

Page 13: ...e isolated Current output 4 20mA optional Power supply depending on version n c n c GND 0 1 5V 0 2 10V 0 4 20mA GND DATA DATA RS 485 Uo 24V 5 10 Imax 100mA R1 R2 n c n c 1 2 5 6 7 8 9 10 11 12 13 14 1...

Page 14: ...rs Figure 4 16 Connection of voltage converters 14 5 6 24V DC internally connected 16 31 17 32 18 33 19 34 20 35 16 31 17 32 18 33 19 34 20 35 5 6 24V DC internally connected 16 31 17 32 18 33 19 34 2...

Page 15: ...ve loads coils contactors power relays electromagnets motors etc it is required to use additional suppression circuit typically capacitor 47nF min 250VAC in series with 100R 5W resistor connected in p...

Page 16: ...amples of suppression circuit connection a to relay terminals b to the inductive load Figure 4 19 Example of OC type outputs connection 16 5 6 10 11 voltage input 24 V Logic controller OC1 Uo 5 6 10 1...

Page 17: ...connection for device with passive current output only Figure 4 22 Example of active voltage outputs connection for device with active voltage output only 17 current input 0 20 mA Logic controller 3 4...

Page 18: ...ked with this symbol should not be placed in municipal waste Please check local regulations for disposal of electronic products 5 FRONT PANEL DESCRIPTION Symbols and functions of push buttons Symbol u...

Page 19: ...scription of Lo r and Hi r parameters paragraph inPt menu Figure 6 2 Definitions of measurement ranges in mode 0 20mA If the measurement value does not exceed permissible measurement range but display...

Page 20: ...d menu The detection of the peak can be done if the measured signal raises and drops of value at least equal to parameter PEA Detected peaks are displayed during the time defined by parameter timE If...

Page 21: ...esholds values If one threshold is used Figure 6 4 the relay can be turned on modE on or off modE oFF when the input signal value is contained in zone A If two thresholds are used Figure 6 5 the relay...

Page 22: ...0 then the relay state will be changed as soon as input value exceeds any of the border values see points A and C Figure 6 6 a b c If values of t on or and toFF are positive then relay state will be...

Page 23: ...mode Obja nienie A B C D E points where measured signal exceeds border values expected value allowed deviation BON BOFF CON COFF EON EOFF relays state changes moments for t on 0 toFF 0 tA tB tC tD tE...

Page 24: ...lar parameters is described in paragraph MENU DESCRIPTION Some of the parameters can be accessed without menu entering quick view mode After pressing or v button name of the threshold e g rEL1 and his...

Page 25: ...e of current position flashing digit or the sign Short pressing of the ENTER button causes change of the position digit Press ENTER at least 2 seconds to accept the changes after that question SEt is...

Page 26: ...change of value acceleration deceleration direction change While editing switch parameter selection of switch parameter If numerical parameter is being edited a short press of ENTER button change edit...

Page 27: ...or out value Threshold is the medium value of relay hysteresis HYSt hysteresis of relay range 0 99999 Full hysteresis of the relay is equal to 2 times HYSt parameter The relay state can change when a...

Page 28: ...meter is set by unit parameter toFF turn off delay time the relay is turned off with delay equal toFF if the input value exceeds appropriate border value defined with threshold and hysteresis at least...

Page 29: ...n be turned off by pressing of any button 7 3 3 inPt menu This menu presets the measurement input tYPE type of the input sensor This parameter can be set to values 0 20 4 20 current inputs 0 10 2 10 0...

Page 30: ...he parameters Lo C and Hi C are not available t h1 t h2 t h3 t d the parameters defining shape of cylindrical tank Figure 7 1 and Figure 7 2 a for the cylindrical tank in the vertical position t h1 th...

Page 31: ...e in preserved unit of the t Sh parameter If we set parameters of tank in m unit t Sn parameter takes cm unit respectively see above than displays the result the volume of the tank in m3 unit if we se...

Page 32: ...TER SRP 946 Figure 7 1 Parameters of cylindrical tank in vertical position Figure 7 2 Parameters of cylindrical tank in horizontal position 32 t h1 t h2 t h3 t Sh t Sn h I mA t d t Sh t d t h2 t h1 t...

Page 33: ...t approx 1 5 sec After that device waits for selection of point being deleted by v buttons The short pressing of ENTER button causes by switching between X and Y value of the displayed point The long...

Page 34: ...le no 1 of the DISPLAY VALUES CALCULATION paragraph the procedure of the permissible input range determining is presented in details If the measurement value does not exceed permissible measurement ra...

Page 35: ...ated due to formula given below Out W OUtL OUtH OUtL B A A where W displayed value Out analogue output value B higher range limit 20mA 5V 10V A lower range limit 0mA 4mA 0V 1V 2v OutL parameter can be...

Page 36: ...et to 1 2 V 0 6 voltage will be set to 0 6 V 0 0 voltage will be set to 0 V When the critical situation goes the output signal will be set to value calculated due to formulas given above 7 3 5 bri par...

Page 37: ...ring of user password it means sets the user password to 0000 The one use password can be used ONE TIME ONLY it is impossible to use it again The one use password can be restored by Service Division o...

Page 38: ...additional delay 10c 20c 50c 100c 200c answer delayed of 10 20 50 100 of 200 chars respectively where one character time depends on selected baud rate In the most cases parameter rESP should be set to...

Page 39: ...R MENU ESC ENTER MENU ESC rEL3 MENU ESC MENU ESC bEEP MENU ESC inPt MENU ESC AL r1 r2 r3 r4 Parameter edition ENTER MENU ESC ENTER ENTER MENU ESC tYPE CHAr FiLt Pnt Lo C Hi C AddP dELP Parameter editi...

Page 40: ...meter edition ENTER MENU ESC ENTER ENTER MENU ESC Addr bAud mbAc mbtO rESP Parameter edition ENTER MENU ESC ENTER ENTER MENU ESC Scod A r1 A r2 A r3 A r4 ENTER MENU ESC ENTER ENTER MENU ESC modE PEA t...

Page 41: ...nd units The first step to compute the result of measure is the calculation of the normalized result it means result of 0 1 range To do it the begin of the input range 0 mA for 0 20mA range and 4mA fo...

Page 42: ...r In such a case for an increasing value of input current the displayed value decreases Figure 10 1 Normal Lo C Hi C and inverted Lo C Hi C characteristic 10 1 2 Square characteristic The normalized r...

Page 43: ...normalized result In the device computes specific segment e g for characteristic from figure below and In 0 65 the segment between points X 50 0 and X 70 0 will be chosen Let s mark those points as P...

Page 44: ...ut value equal 1 displays value t Sh t Sn Figure 10 5 The linear scaling can be expressed as follow h In t Sh t Sn where h is level of liquids gases or solids in the tank see Figure 7 1 7 2 Figure 10...

Page 45: ...0 then permissible input currents range will be equal 3 2 mA 22 mA Lower border of the range is the result of calculations 4 mA 4 mA 20 and the higher 20 mA 20 mA 10 Example 2 The normalized In resul...

Page 46: ...fferent input currents from example 2 a Iin 10 mA and In 0 375 Accordingly to expression on page 42 for square characteristic 0 375 2 1200 300 211 and next the Lo C value is added to the result so the...

Page 47: ...nd Ip 0 3 the displayed value W In I p Y PH Y PL X PH X PL 100 Y PL 0 375 0 3 80 30 40 30 100 30 67 b Iin 2 5 mA and In 0 0938 because of the normalized In value is lower than 0 the segment defined by...

Page 48: ...of the cylinder located in horizontal position The tank has dimension height in first part is 2m height in second part is 8 05m diameter 3 26m and length of the sensor 10m The output of signal of the...

Page 49: ...o formula from page 35 Iout 17 5 10 0 20 0 10 0 16 mA 4 mA 0 75 16 4 16 mA Calculated Iout do not exceeds the output working range 3 8 21 mA b D 20 5 According to formula from page 35 Iout 20 5 10 0 2...

Page 50: ...p border of the measurement range is exceeded 60h bottom border of the measurement range is exceeded 04h Yes 0 3 Pnt parameter in InPt menu decimal point position 0 0 1 0 0 2 0 00 3 0 000 05h Yes see...

Page 51: ...h Yes see descr Hi r parameter in InPt menu in 0 001 higher word 1Bh Yes see descr Hi r parameter in InPt menu in 0 001 lower word 20h2 Yes 0 199 Device address 21h No 20F6h Device identification code...

Page 52: ...ower word 34h Yes 0 1 AL parameter in bEEP menu 0 off 1 on 35h Yes 0 1 R1 parameter in bEEP menu 0 off 1 on 36h Yes 0 1 R2 parameter in bEEP menu 0 off 1 on 37h Yes 0 1 R3 parameter in bEEP menu 0 off...

Page 53: ...0 noAC mode 1 on mode 2 oFF mode 3 in mode 4 out mode 5 modb mode 4Ch Yes 0 999 t on parameter in rEL2 menu expressed in tenth of seconds or tenth of minutes depend on unit parameter register no 4Eh 4...

Page 54: ...rEL4 menu no decimal point included lower word 61h Yes 0 5 modE parameter in rEL4 menu 0 noAC mode 1 on mode 2 oFF mode 3 in mode 4 out mode 5 modb mode 62h Yes 0 999 t on parameter in rEL4 menu expr...

Page 55: ...d characteristic C3h5 Yes see descr The value of X coordinate of point no 20 of the user defined characteristic expressed in 0 1 higher word C4h5 Yes see descr The value of X coordinate of point no 20...

Page 56: ...nd passive current output expressed in 0 001 lower word Yes see descr Hi r parameter in OUtP menu for active voltage output expressed in 0 001 lower word D9h1 Yes 0 3 AL parameter in OUtP menu active...

Page 57: ...EXAMPLES OF QUERY ANSWER FRAMES Examples apply for device with address 1 All values are represent hexadecimal Field description ADDR Device address on modbus network FUNC Function code REG H L Starti...

Page 58: ...C2 DATA identification code 20F6h 3 Change of the device address from 1 to 2 write to reg 20h ADDR FUNC REG H L DATA H L CRC L H 01 06 00 20 00 02 09 C1 DATA H 0 DATA L new device address 2 The answe...

Page 59: ...presented above are available only 12 DEFAULT AND USER S SETTINGS LIST Parameter Description Default value User s value Desc page Parameters of relay R1 operation rEL1 menu SEtP Relay R1 threshold 20...

Page 60: ...ay R4 second threshold 100 000 27 HYSt Hysteresis of relay R4 0 000 27 modE Operation mode of relay R4 on 27 t on Turn on delay of relay R4 0 0 28 toFF Turn off delay of relay R4 0 0 28 unit Unit of t...

Page 61: ...op of the nominal output range 5 000 35 AL Current output value on critical exception 22 1 mA 36 Passive current output configuration OUtP menu Omod Passive current output mode 4 20 mA 34 OUtL Display...

Page 62: ...rameters SECu menu A r1 Permission to changes of relay R1 threshold without of the user password knowledge on 37 A r2 Permission to changes of relay R2 threshold without of the user password knowledge...

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