1. Manuals
  2. Brands
  3. Simex Manuals
  4. Measuring Instruments
  5. SRP-73
  6. User manual

Simex SRP-73 User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Firmware: v.5.21 or higher
•
Input type: 0/4-20 mA, 0/1-5V, 0/2-10V
•
Two-colour display
•
Read the user's manual carefully before starting to use the unit or software.
Producer reserves the right to implement changes without prior notice.
2014.12.17
User manual
METER
SRP-73
Assisting the automation
industry since 1986
SRP-73_INSSXEN_v.2.10.002

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SRP-73 and is the answer not in the manual?

Questions and answers

Related Manuals for Simex SRP-73

Summary of Contents for Simex SRP-73

  • Page 1 Assisting the automation industry since 1986 User manual METER SRP-73 Firmware: v.5.21 or higher • Input type: 0/4-20 mA, 0/1-5V, 0/2-10V • Two-colour display • Read the user's manual carefully before starting to use the unit or software. Producer reserves the right to implement changes without prior notice.

  • Page 2: Table Of Contents

    User manual - METER SRP-73 CONTENTS 1. BASIC REQUIREMENTS AND USER SAFETY..................3 2. GENERAL CHARACTERISTICS........................4 3. TECHNICAL DATA............................4 4. DEVICE INSTALLATION..........................6 4.1. UNPACKING............................6 4.2. ASSEMBLY............................7 4.3. CONNECTION METHOD........................9 4.4. MAINTENANCE..........................13 5. FRONT PANEL DESCRIPTION........................14 6. PRINCIPLE OF OPERATION........................14 6.1. MEASUREMENT MODE........................14...

  • Page 3: Basic Requirements And User Safety

    User manual - METER SRP-73 Explanation of symbols used in the manual: - This symbol denotes especially important guidelines concerning the installation and operation of the device. Not complying with the guidelines denoted by this symbol may cause an accident, damage or equipment destruction.

  • Page 4: General Characteristics

    The selection of active input is realised by software, and selected input can be changed at any time. Additionally the SRP-73 allows user to select a conversion characteristic of several kinds: linear, square, square root, user defined (max.20 points length) and volume characteristics of a cylindrical tank in the vertical and horizontal position.
  • Page 5 User manual - METER SRP-73 Current input resistance < 65 Ω (typical 55 Ω) 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 >...

  • Page 6: Device Installation

    User manual - METER SRP-73 Safety requirements according to: PN-EN 61010-1 installation category: II pollution degree: 2 voltage in relation to ground: 300V AC insulation resistance: >20MΩ insulation strength between power supply and input/output terminal: 1min. @ 2300V insulation strength between relays terminal: 1min.

  • Page 7: Assembly

    User manual - METER SRP-73 4.2. ASSEMBLY - The unit is designed for mounting inside housings (control panel, switchboard) insuring appropriate protection against surges and interference. Metal housings must be connected to ground in a way that complies with the governing regulations.
  • Page 8 User manual - METER SRP-73 92 mm 5 mm 12 mm 10 mm Figure 4.2. Installing of brackets, and dimensions of connectors. 91 mm Figure 4.3. Minimum distances when assembly of a number of units...

  • Page 9: Connection Method

    User manual - METER SRP-73 4.3. CONNECTION METHOD Caution - Installation should be conducted by qualified personnel . During installation all available safety requirements should be considered. The fitter is responsible for executing the installation according to this manual, local safety and EMC regulations.
  • Page 10 User manual - METER SRP-73 Use of screened signal cables is recommended. Signal cable screens should be – connected to the earthing only at one of the ends of the screened cable. In the case of magnetically induced interference the use of twisted pair of signal cables is –...
  • Page 11 User manual - METER SRP-73 +24V +5%, -10% RS - 485 Power max = 100mA supply (optional) DATA+ (depending on version) DATA- 13 14 18 19 20 6 7 8 9 n.c. n.c. OC1, OC2: (optional) 0/4-20mA max = 30V DC...
  • Page 12 User manual - METER SRP-73 internally connected 16 17 24V DC 6 7 8 9 10 6 7 8 9 10 Figure 4.9. Connection of voltage converters 13 14 FUSE FUSE Depending on version: 85...230...260V AC/DC or 19...24...50V DC; 16...24...35V AC Figure 4.10.

  • Page 13: Maintenance

    User manual - METER SRP-73 Figure 4.11. Examples of suppression circuit connection: a) to relay terminals; b) to the inductive load 16 17 16 17 Logic controller LED 10 mA voltage input 24 V Figure 4.12. Example of OC-type outputs connection 4.4.

  • Page 14: Front Panel Description

    User manual - METER SRP-73 5. FRONT PANEL DESCRIPTION alarm LED indicator (AL) display Thresholds exceeding LED indicators (R) ENTER MENU programming pushbuttons Symbols and functions of push-buttons: Symbol used in the manual: [ESC/MENU] Functions: MENU • Enter to main menu ( press and hold by at least 2 sec.) •...
  • Page 15 User manual - METER SRP-73 ”Lo r” parameter ”Hi r” parameter nominal measurement range 4 mA 20 mA permissible measurement range Figure 6.1. Definitions of measurement ranges in mode 4 ÷ 20mA If the result of measurement exceeds the permissible measurement range, warning ”-Hi-” or ”-Lo-”...

  • Page 16: Detection Of The Peak Values

    User manual - METER SRP-73 6.2. DETECTION OF THE PEAK VALUES The SRP-73 controller is equipped with peaks detection function. It can detect a peaks of the input signal and display their values. Presets connected with this function are placed in ”HOLd”...
  • Page 17 User manual - METER SRP-73 state of relay/LED ”SEtP” parameter zone B zone A measure ”HYSt” parameter Figure 6.4. One threshold control of the relay/LED outputs state of relay/LED ”SEtP” or ”SEt2” parameter zone B zone A zone B measure ”HYSt”...

  • Page 18: One Threshold Mode

    User manual - METER SRP-73 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. measured “SEtP” parameter displayed value signal (expected signal value) zone A “HYSt”...

  • Page 19: Two Thresholds Mode

    User manual - METER SRP-73 tA ,tB ,tC or tD (when input signal stay in zone A or zone B) are lower than parameters “t on” or “toFF”, the relay will not change his state (see points A and C, Figure 6.6 a, d, e).

  • Page 20: Device Programming

    User manual - METER SRP-73 Figure 6.7 presents the principle of relay outputs operation for two thresholds mode, 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”...

  • Page 21: Parameters Edition

    User manual - METER SRP-73 Functions of the buttons while sub-menu and parameters choice: Selection of sub-menu or parameter for editing. Name of selected item (sub- menu or parameter) is displayed. Operation of [ENTER] button depend on present menu position: ENTER •...

  • Page 22: Switch Parameters ("List" Type)

    User manual - METER SRP-73 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 after ”SEt?”...

  • Page 23: Rel1" Menu

    User manual - METER SRP-73 7.3.1. “rEL1” menu This menu allows to configure the operation mode of relays and LEDs marked „ R ” (e.g. „ R1 ”). If there are few relay outputs available, then every output has its own configuration menu (e.g.
  • Page 24 User manual - METER SRP-73 “out” - two threshold mode, relay is turned ON when the input value is bigger than “bigger threshold + HYSt” and lower than “lower threshold – HYSt”, and turned on when the input signal is contained in the second zone.

  • Page 25: Inpt" Menu

    User manual - METER SRP-73 If parameter „ AL ” = „ on ”, the relay will be turned on in the critical situations, • even if his parameter “modE” = ”noAC”. 7.3.2. “inPt” menu This menu presets the measurement input: “...
  • Page 26 User manual - METER SRP-73 „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” - the height of the bottom part of a tank (in the elliptic paraboloid shape), this parameter has the fixed precision - 2-decimal point, „t h2”...
  • Page 27 User manual - METER SRP-73 " 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 measurement range •...
  • Page 28 User manual - METER SRP-73 t h1 t h2 t h3 t Sh h~I[mA] t Sn Figure 7.2 Parameters of cylindrical tank in horizontal position. (parameter “CHAr” = ”USEr”) the If user defined characteristic is selected parameters „ Lo C ” and „ Hi C ” are not available for modification, due to their values are calculated from defined characteristic.
  • Page 29 User manual - METER SRP-73 “EdtP” - this option allows user to modify of particular point of the user defined characteristic. After selection current number of points of the user defined characteristic is displayed for about approx. 1.5 sec. After that device waits for selection of point being edited (by [^], [v] buttons).

  • Page 30: Bri" Parameter

    User manual - METER SRP-73 In example no 1 of the DISPLAY VALUES CALCULATION paragraph 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 is displayed rather ”-Ov-”...

  • Page 31: Hold" Menu

    User manual - METER SRP-73 “SEtP” - additional threshold value (range -999 ÷ 9999 ). Negative values can be input by selecting a “-” sign on first digit ( to change value use [^] and [v] buttons). Threshold is the medium value of relay hysteresis.

  • Page 32: Secu" Menu

    User manual - METER SRP-73 7.3.6. ”SECu” menu This menu contains presets connected with availability of other parameters: “Scod” - user password (4-digits number). If this parameter is set at value “0000” , user password is turned off. If the user do not remember his password, the access to the menu is possible by the “one-use password”.

  • Page 33: Edit" Parameter

    User manual - METER SRP-73 ”Std” - answer as quick as possible, no additional delay ” 10c” ” 20c” - answer delayed of 10, 20, 50, 100 of 200 chars respectively, where ” 50c” one character time depends on selected baud rate ”100c”...

  • Page 34: Menu Structure

    User manual - METER SRP-73 7.4. MENU STRUCTURE Measurement mode Press and hold at least 2 seconds MENU MENU 4-digit user password entering (if it is different from „0000”) 0 _ _ _ ENTER ENTER ENTER Parameter MENU rEL1 SEtP...
  • Page 35 User manual - METER SRP-73 See previous page ENTER ENTER Parameter MENU SCoL edition ENTER MENU C r1 C r2 C AL MENU ENTER ENTER Parameter MENU modE HOLd edition C Pr ENTER MENU timE Visible only if SEtP „C Pr” = „on”...

  • Page 36: The Alarm Led

    User manual - METER SRP-73 8. THE ALARM LED The ALARM LED (AL) is turned on when input signal is out of the permissible input range. See parameters: “tyPE” , “Lo r” and “Hi r” in paragraph „InPt” menu. 9. OVER-CURRENT PROTECTION The current input of the device is equipped with over-current protection circuit.

  • Page 37: Linear Characteristic

    User manual - METER SRP-73 10.1.1. Linear characteristic The normalized result is converted by fixed coefficients determined by “Lo C” and “Hi C” parameters (when the normalized results is equal 0, then value “Lo C” is displayed, and when the normalized results is equal 1, then value “Hi C” is displayed). Expression presented below...

  • Page 38: Square Root Characteristic

    User manual - METER SRP-73 10.1.3. Square root characteristic The normalized result is rooted and further conversion is done as for linear characteristic. Conversion is made accordingly with the expression:  × "Hi C" −"Lo C"   "Lo C" , where W means the displayed value.

  • Page 39: Volume Characteristics Of A Cylindrical Tank

    User manual - METER SRP-73 Normalized measurement I (for 0-20 mA range) 0,35 5-elements characteristic X (PH) = „70.0.” Y (PH) X = „35.0.” Y (PL) X (PL) = „50.0.” X = „20.0.” Prąd wejściowy [mA] X = „90.0.” X = „100.0.”...

  • Page 40: Examples Of Calculations

    User manual - METER SRP-73 Volume of tank can be write by general formula: ∫ ⋅dh Possible combination of tank shape for calculation the volume: cylindrical tank in vertical position cylindrical tank in horizontal position parameter t h2=0 t h3=0...
  • Page 41 User manual - METER SRP-73 Example 3: The linear 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 three different input currents from example 2.
  • Page 42 User manual - METER SRP-73 Example 6: The user defined characteristic Let the input mode = 4-20 mA, and the user selected the 10 segment characteristic. To do this it is necessary to enter X and Y coordinates of 11 points (see Menu ”inPt”).
  • Page 43 User manual - METER SRP-73 „ t Sn ”=00,00 „t Sh”=10,00 „t h1”=00,00 „ t h2 ”=10,00 „t h3”=00,00 „ t d ”=04,00 Input current [mA] Figure 10.6 The volume characteristic of tank depending on input current in 4÷20mA range.

  • Page 44: The Modbus Protocol Handling

    User manual - METER SRP-73 I [mA] Figure 10.7 The volume characteristic of tank depending on input current in 4÷20mA range. 11. THE MODBUS PRO TOCOL HANDLING Transmission parameters: 1 start bit, 8 data bits, 1 or 2 stop bit (2 bits are send, 1 and 2 bits...

  • Page 45: List Of Registers

    User manual - METER SRP-73 11.1. LIST OF REGISTERS Register Write Range Register description -999 ÷ 9999 Measurement value (no decimal point) The status of the current measurement; 0h - data valid; A0h - top 0h, A0h, 60h border of the measurement range is exceeded; 60h - bottom border of the measurement range is exceeded;...
  • Page 46 User manual - METER SRP-73 Register Write Range Register description “mbAc” parameter in “rS” menu (permission to write registers via 0 ÷ 1 RS-485 interface); 0 - write denied ; 1 - write allowed Parameters of “SECU” menu (binary format (0 - „oFF”, 1 - „on”): see descr.
  • Page 47 User manual - METER SRP-73 Register Write Range Register description 0 ÷ 2 “AL” parameter in “rEL2” menu: 0 - no changes; 1 - on; 2 - off -999 ÷ 9999 “SEt2” parameter in “rEL2” menu, no decimal point included “modE”...

  • Page 48: Transmission Errors Description

    Data byte count in answer frame DATA H,L Data byte (Hi and Lo byte) CRC L,H CRC error check (Hi and Lo byte) 1. Read of the displayed value (measurement), SRP-73 device address = 01h: ADDR FUNC REG H,L COUNT H,L...
  • Page 49 User manual - METER SRP-73 b) The answer (if an error occur): ADDR FUNC ERROR CRC L,H ERROR - error code = 60h, bottom border of the measurement range is exceeded 2. Read of device ID code ADDR FUNC REG H,L...
  • Page 50 User manual - METER SRP-73 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 COUNT L - the count of being read registers (max.16)

  • Page 51: Default And User's Settings List

    User manual - METER SRP-73 12. DEFAULT AND USER'S SETTINGS LIST Desc. Parameter Description Default value User's value page Parameters of relay R1 operation (“rEL1” menu) SEtP Relay R1 threshold 20.0 SEt2 Relay R1 second threshold 40.0 HYSt Hysteresis of relay R1...
  • Page 52 User manual - METER SRP-73 Desc. Parameter Description Default value User's value page Hi r Extension of the top of the nominal input range 5.0 (%) Display parameters Display brightness bri6 Signalization via colour of the display (“CoL” menu )
  • Page 53 User manual - METER SRP-73...
  • Page 54 User manual - METER SRP-73...
  • Page 55 User manual - METER SRP-73...
  • Page 56 SIMEX Sp. z o.o. ul. Wielopole 11 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...

Table of Contents