Simex SRP-457 User Manual Download Page 10

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User manual - METER SRP-457

Figure 4.5. Terminals description (OC-type outputs)

All connections must be made while power supply is disconnected !

Figure 4.6. Connection of 2-wire current converters

Figure 4.7. Connection of 3-wire current converters

+ -

5 6

7 8 9

GND

DATA+

DATA-

RS - 485

3 4

10 11

12 13 14 15 16

n.c.

GND

0-20mA
4-20mA

n.c.

GND

0/1 - 5V, 0/2 - 10V

(optional)

OC1

OC1:

max = 30V DC,

max = 30mA,

max = 100mW

+24V

±5%

max = 100mA

Power
supply

(depending on version)

12 13 14 15 16

10 11

24V DC

- +

12 13 14 15 16

internally connected

- +

24V DC

- +

internally connected

12 13 14 15 16

10 11

12 13 14 15 16

Summary of Contents for SRP-457

Page 1: ...rmware v 5 21 or higher Input type 0 4 20 mA 0 1 5V 0 2 10V Wall mounting case IP 65 IP 67 Read the user s manual carefully before starting to use the unit or software Producer reserves the right to implement changes without prior notice 2013 06 03 SRP 457_INSSXEN_v 2 07 001 ...

Page 2: ...itch parameters LIST type 21 7 3 MENU DESCRIPTION 21 7 3 1 rEL1 menu 21 7 3 2 bEEP menu 24 7 3 3 inPt menu 24 7 3 4 bri parameter 29 7 3 5 HOLd menu 29 7 3 6 SECu menu 30 7 3 7 rS menu 30 7 3 8 Edit parameter 31 7 3 9 dEFS parameter 32 7 3 10 SErv menu 32 7 4 MENU STRUCTURE 33 8 OVER CURRENT PROTECTION 35 9 DISPLAYED VALUES CALCULATION 35 9 1 ADDITIONAL CALCULATIONS USED CONVERSION CHARACTERISTIC ...

Page 3: ...ons GND input of device should be connected to PE wire The unit must be properly set up according to the application Incorrect configuration can cause defective operation which can lead to unit damage or an accident If in the case of a unit malfunction there is a risk of a serious threat to the safety of people or property additional independent systems and solutions to prevent such a threat must ...

Page 4: ...lues range can be selected by user from 999 to 9999 plus decimal point The device can be equipped with one relay or OC type output Device SRP 457 is equipped with RS 485 Modbus RTU communication interface and sensor supply output The meter can be ordered in two power supply versions The device has 4 buttons being used for main presets programming To get high protection level the keyboard is mounte...

Page 5: ...casing IP 67 Housing type Housing material Wall mounted T type or F type ABS fibreglass Housing dimensions F type casing 213 x 185 x 118 2 mm T type casing 230 x 140 x 96 5 mm Operating temperature depending on version 0 C to 50 C or 20 C to 50 C Storage temperature depending on version 10 C to 70 C or 20 C to 70 C Humidity Altitude 5 to 90 no condensation up to 2000 meters above sea level Screws ...

Page 6: ...must correspond to the requirements listed in the technical data All installation works must be conducted with a disconnected power supply Protecting the power supply connections 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 immediately reported to t...

Page 7: ...evice and assembly dimensions of F type case Figure 4 2 Device and assembly dimensions of T type case 4 3 CONNECTION METHOD Caution 7 230 mm 140 mm 96 5 mm 212 mm 122 mm ø8 4 ø4 4 118 2 mm 213 mm 185 mm 69 mm 198 mm 137 mm 9 6 mm ø5 ø10 ø5 ...

Page 8: ... separable clamps they should be inserted into appropriate connectors in the unit even if they are not used for any connections Unused terminals marked as n c must not be used for connecting any connecting cables e g as bridges because this can cause damage to the equipment or electric shock If the unit is equipped with housing covers and sealing to protecting against water intrusion pay special a...

Page 9: ... and the metal housing of the filter must be connected to the earth with the largest possible surface The cables connected to the filter output must not be run with cables with interference e g circuits controlling relays or contactors Connection of the power supply and the measurement and controlling signals should be made by screw connectors mounted inside the housing Figure 4 3 Method of cable ...

Page 10: ... Figure 4 7 Connection of 3 wire current converters 10 1 2 5 6 7 8 9 GND DATA DATA RS 485 3 4 10 11 12 13 14 15 16 n c GND 0 20mA 4 20mA n c GND 0 1 5V 0 2 10V optional OC1 OC1 Umax 30V DC Imax 30mA Pmax 100mW 24V 5 Imax 100mA Uo Power supply depending on version 12 13 14 15 16 10 11 24V DC 12 13 14 15 16 internally connected 24V DC internally connected 12 13 14 15 16 10 11 12 13 14 15 16 ...

Page 11: ...uctive 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 parallel to relay terminals or better directly on the load In consequence of using the suppression circuit the level of generated electromagnetic disturbances is lower and the life of relay contact...

Page 12: ...the room where the unit is operating Excessively high temperatures cause faster ageing of the internal components and shorten the fault free time of the unit s operation In cases where the unit gets dirty do not clean with solvents For cleaning use warm water with small amount of detergent or in the case of more significant contamination ethyl or isopropyl alcohol Using any other agents can cause ...

Page 13: ...being edited Symbol used in the manual v Functions Change of the present menu Modification of the parameter value Change of the display mode 6 PRINCIPLE OF OPERATION After turning the power supply on device ID and software version are showed on the display next the controller goes to the measurement mode 6 1 MEASUREMENT MODE In the measure mode the measurement results converted over selected chara...

Page 14: ...s back to the measurement mode If a free access is enabled see description of SECu menu user can change the value of particular threshold pressing button ENTER see PARAMETERS EDITION Input type range of displaying values characteristic of conversion decimal point position and measure filtering ratio are user configurable parameters All accessible parameters can be changed by entering the menu see ...

Page 15: ...nu Figure 6 3 Process of peaks detection 6 3 CONTROL OF THE RELAY OUTPUTS The control of the object measured signal is realized via relay outputs Front panel LEDs named R indicates the state of particular relay output If device is not equipped with one or more relay outputs menus refer to this relays are available but apply to LED indicators only In such case LEDs indicates exceeding of particular...

Page 16: ... both the current value and the peak value when peak detection is active of the input signal 6 3 1 One threshold mode Figure 6 6 presents the principle of relay outputs operation for one threshold mode and an example values of other parameters 16 zone A zone B measure SEtP parameter HYSt parameter state of relay LED zone B zone A zone B measure SEtP or SEt2 parameter HYSt parameter state of relay ...

Page 17: ...ll be turned on if the input value exceeds the border values and stay bigger or lower during at least t on see points BON DON Figure 6 6 a d e Similarly the relay will be turned off if time toFF elapse since the input signal value exceeds any of the border values see points BOFF DOFF Figure 6 6 a d e If tA tB tC or tD when input signal stay in zone A or zone B are lower than parameters t on or toF...

Page 18: ...and an example values of other parameters In this mode parameter SEt2 is accessible in common with SEtP this parameter describes a second threshold of the relay output The parameters HYSt modE t on toFF unit and AL are connected with both SEtP and SEt2 thresholds While the controlling process the relay output changes his state depends of both SEtP and SEt2 thresholds in similar way as it was descr...

Page 19: ...n the next threshold will be displayed else the device comes back to the measurement mode If a free access is enabled see description of SECu menu user can change the value of particular threshold pressing button ENTER see PARAMETERS EDITION If particular parameter has been changed and confirmed in quick view mode its new value is displayed in alternating mode with parameter name by few seconds Co...

Page 20: ...ge 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 displayed and user must to confirm or cancel the changes To conform changes and story it in EEPROM press ENTER button shortly after SEt is displayed To cancel the changes press ESC button shortly aft...

Page 21: ...on change While editing switch parameter selection of switch parameter If numerical parameter is being edited a short press of ENTER button change edited position A long press of ENTER button at lest 2 sec causes of display a SEt ask which allow user to make sure if change of the parameter value is correct If switch parameter is being edited a short press of ENTER button causes of display a SEt as...

Page 22: ...lay hysteresis HYSt hysteresis of relay range 0 999 Full hysteresis of the relay is equal to 2x HYSt parameter The relay state can change when an input signal is out of threshold hysteresis to threshold hysteresis zone Presented parameters should be set to ensure that SEtP HYSt SEt2 HYSt SEtP HYSt or SEt2 HYSt do not exceeds the measure range Additionally in two threshold mode modE in or out the h...

Page 23: ... 0 1 sec resolution Unit of this parameter is set by unit parameter If time when the input signal exceeds some border value is shorter than t on or toFF time the relay do not change his state see paragraph CONTROL OF THE RELAY OUTPUTS unit unit of time for t on i toFF parameters Can be set on one of two values min minutes SEC seconds AL this parameter defines the relay reaction when some critical ...

Page 24: ...ristic and can be set to Lin linear Sqr square Sqrt square root When one of those characteristics is chosen display range is defined by Lo C and Hi C USEr user defined characteristic Maximal length 20 points Every point is defined by user Adding Editing and Deleting of points is done by options AddP EdtP dELP InPt menu respectively tn v n h volume characteristics of a cylindrical tank in the verti...

Page 25: ...tank in the cylindrical shape this parameter has the fixed precision 2 decimal point t h3 the height of the top part of a tank in the elliptic paraboloid shape this parameter has the fixed precision 2 decimal point t d the diameter of the middle part of a tank this parameter has the fixed precision 2 decimal point b for the cylindrical tank in the horizontal position t h1 the length of the left bo...

Page 26: ... parameters of tank in cm unit t Sn parameter takes mm unit respectively see above than displays the result the volume of the tank in cm3 unit t Sh parameter may be greater than height for vertical position or diameter for horizontal position of the tank which means that the total volume of the tank can be achieved by eg such middle current range If the measurement value do not exceeds permissible...

Page 27: ...ETER SRP 457 Figure 7 1 Parameters of cylindrical tank in vertical position Figure 7 2 Parameters of cylindrical tank in horizontal position 27 t h1 t h2 t h3 t Sh t Sn h I mA t d t Sh t d t h2 t h1 t h3 h I mA t Sn ...

Page 28: ...pprox 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 press press and hold at least 2 sec of ENTER button causes by displaying dEL ask If ENTER button is pressed again current point is deleted and new updated number of points of the user defined characteris...

Page 29: ...ph the procedure of the permissible input range determining is presented in details If the measurement value do not exceeds permissible measurement range but displayed value exceeds range 999 9999 the warning Ov is displayed rather than the calculated result 7 3 4 bri parameter This parameter allows user to set bright of the LED display bright can be set to conventional values from 1 to 8 7 3 5 HO...

Page 30: ... possible by the one use password To get this password please contact with Marketing Division Single use password can be used only one time after that it is destroyed Entering this password causes in clearing 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 Divisi...

Page 31: ...minimal additional delay between the Modbus message and the answer of the device received and sent via RS 485 interface This additional delay allows the device to work with poor RS converters which do not works properly on baud rates higher than 19200 This parameter can be set to one of values Std answer as quick as possible no additional delay 10c 20c 50c 100c 200c answer delayed of 10 20 50 100 ...

Page 32: ...ial password is required 5465 next the device displays acknowledge question SEt Press ENTER to acknowledge the restoring of factory settings or ESC to cancel 7 3 10 SErv menu This menu contains the parameters for authorized service only To enter this menu proper service password must be entered Improper settings can causes of damage of the device 32 ...

Page 33: ...lar to rEL1 menu ENTER MENU ESC Measurement mode ENTER 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 SEtP SEt2 HYSt modE t on toFF unit AL Parameter edition See next page MENU ESC bri ENTER MENU ESC ENTER Parameter edition Options similar to rEL1 menu ENTER MENU ESC ENTER ENTER MENU ESC tYPE CHAr FiLt...

Page 34: ...arameter 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 timE Hdis H r1 H r2 H r3 H r4 Parameter edition See previous page MENU ESC SEt 4 digit special password entering 0 _ _ _ ENTER ENTER Default settings restoring ...

Page 35: ... 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 for 4 20mA range must be subtracted from measured value Next received result must be divided by the width of the input range it means 20mA for 0 20mA range and 16mA for 4 20mA range So normalized result can be expressed by expressions In Iinp 4 16 for 4 20mA range In Iinp 20 for ...

Page 36: ...ter In such a case for an increasing value of input current the displayed value decreases Figure 9 1 Normal Lo C Hi C and inverted Lo C Hi C characteristic 9 1 2 Square characteristic The normalized result is squared and further conversion is done as for linear characteristic Conversion is made accordingly with the expression W I n 2 Hi C Lo C Lo C where W means the displayed value Figure 9 2 Norm...

Page 37: ...he 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 PL point low i PH point high in this example PL 50 0 and PH 70 0 and the normalized result In for the point PL as Ip in this example Ip In PL 0 5 The displayed result is calculated accordingly to the...

Page 38: ...ys value t Sh t Sn Figure 9 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 9 5 The characteristic of level of liquids gases or solids in tank depending on input current in 4 20mA range Volume of tank can be write by general formula 38 Displayed value Prąd wejściowy mA 0 4 8 12 16 20 Y PH 0 0 2 0 35 0 ...

Page 39: ... 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 result calculation Let the input mode 4 20 mA The normalized In result is calculated accordingly to the expression on page 35 so if Iin 10 mA then 10 mA 4 mA 6 mA and this result should be divided by the width of input range 16 mA Finally the normalized result In 6 16 0 375 In case wh...

Page 40: ...tic 0 375 2 1200 300 211 and next the Lo C value is added to the result so the displayed value W 211 300 89 b Iin 2 5 mA and In 0 0938 W 287 c Iin 20 5 mA and In 1 0313 W 1295 Example 5 The square root characteristic Let the input mode 4 20 mA and parameters Lo C and Hi C equal to 300 and 1200 respectively The calculations will be done for there different input currents from example 2 a Iin 10 mA ...

Page 41: ...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 X1 and X2 will be selected X1 PL 0 Y1 PL 50 X2 PH 10 Y2 PH 30 and Ip 0 For these values the displayed value W 69 c Iin 20 5 mA and In 1 0313 because of the normalized In value is higher than 1 the segment defined by X10 and X11 will be selected and X10 PL 90 Y10 PL 900 X11 PH 100...

Page 42: ...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 sensor has 4 20mA range In first step we set type of input range 4 20mA see parameter MENU InPt tYPE Next we defined the parameters of tank dimension and location of sensor t Sn 00 00 t Sh 10 00 t h1 02 00 t h2 08 05...

Page 43: ...compatible The device parameters and display value are available via RS 485 interface as HOLDING type registers numeric values are given in U2 code of Modbus RTU protocol The registers or groups of the registers can be read by 03h function and wrote by 06h single registers or 10h group of the registers accordingly to Modbus RTU specification Maximum group size for 03h and 10h functions can not exc...

Page 44: ...ume characteristics of a cylindrical tank in the vertical position 5 volume characteristics of a cylindrical tank in the horizontal position 12h Yes 0 5 FiLt parameter in InPt menu measurement filtering rate 13h Yes 0 3 Pnt parameter in InPt menu the copy of 03h register decimal point position 0 0 1 0 0 2 0 00 3 0 000 14h Yes 999 9999 Lo C parameter in InPt menu no decimal point included 15h Yes 9...

Page 45: ... 2Fh Yes 0 1 Edit parameter numerical parameters edit mode 0 dig mode 1 SLid mode 30h Yes 999 9999 SEtP parameter in rEL1 menu no decimal point included 31h Yes 999 999 HySt parameter in rEL1 menu no decimal point included 32h Yes 0 5 modE parameter in rEL1 menu 0 noAC mode 1 on mode 2 oFF mode 3 in mode 4 out mode 5 modb mode 33h Yes 0 999 t on parameter in rEL1 menu expressed in tenth of seconds...

Page 46: ...es 0 2 AL parameter in rEL3 menu 0 no changes 1 on 2 off 47h Yes 999 9999 SEt2 parameter in rEL3 menu no decimal point included 48h Yes 999 9999 SEtP parameter in rEL4 menu no decimal point included 49h Yes 999 999 HySt parameter in rEL4 menu no decimal point included 4Ah 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 4Bh Yes 0 999 t on parame...

Page 47: ...er writing to register no 22h the device responds with the new baud rate 4 the value of the mbAc parameter is also connected to write to this register so it is possible to block a writes but impossible to unblock writes via RS 485 interface The unblocking of the writes is possible from menu level only 5 the pairs of X Y coordinates may be defined for any free point The pair is free it means that p...

Page 48: ...ead of the displayed value measurement SRP 457 device address 01h ADDR FUNC REG H L COUNT H L CRC L H 01 03 00 01 00 01 D5 CA a The answer we assume that the measure result is not out of range ADDR FUNC BYTE C DATA H L CRC L H 01 03 02 00 FF F8 04 DATA H L displayed value 255 no decimal point Decimal point position can be read from reg 03h b The answer if an error occur ADDR FUNC ERROR CRC L H 01 ...

Page 49: ...new baud rate 19200 baud Device do not reply to BROADCAST type messages 5 Read of the registers 1 2 and 3 in one message example of reading a number of registries in one frame ADDR FUNC REG H L COUNT H L CRC L H 01 03 00 01 00 03 54 0B COUNT L the count of being read registers max 16 The answer ADDR FUNC BYTE C DATA H1 L1 DATA H2 L2 DATA H3 L3 CRC L H 01 03 06 00 0A 00 00 00 01 78 B4 DATA H1 L1 re...

Page 50: ...old 60 0 22 HYSt Hysteresis of LED R2 0 0 22 modE Operation mode of LED R2 on 22 t on Turn on delay of LED R2 0 0 23 toFF Turn off delay of LED R2 0 0 23 unit Unit of t on toFF parameters of LED R2 SEC 23 AL Reaction for critical situation of LED R2 oFF 23 Parameters of LED R3 operation rEL3 menu SEtP LED R3 threshold 60 0 22 SEt2 LED R3 second threshold 80 0 22 HYSt Hysteresis of LED R3 0 0 22 mo...

Page 51: ... Pnt Decimal point position 0 0 24 Lo C Minimum displayed value for nominal range 000 0 25 Hi C Maximum displayed value for nominal range 100 0 25 Hi C Maximum displayed value for nominal range 100 0 25 t h1 Height length first part of the tank 00 00 25 t h2 Height length second part of the tank 00 00 25 t h3 Height length third part of the tank 00 00 25 t d Tank diameter 00 01 25 t Sn Distance be...

Page 52: ... threshold without of the user password knowledge on 30 A r3 Permission to changes of LED R3 threshold without of the user password knowledge on 30 A r4 Permission to changes of LED R4 threshold without of the user password knowledge on 30 RS 485 interface configuration menu rS Addr Device address 0 30 bAud Baud rate 9 6 30 mbAc Permission to changes of configuration registers on 31 mbtO Maximum d...

Page 53: ...User manual METER SRP 457 53 ...

Page 54: ...User manual METER SRP 457 54 ...

Page 55: ...User manual METER SRP 457 55 ...

Page 56: ...SIMEX Sp z o o ul Wielopole 7 80 556 Gdańsk Poland tel 48 58 762 07 77 fax 48 58 762 07 70 http www simex pl e mail info simex pl ...

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