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Input type: Pt100/500/1000
•
Large 4 x 38 mm 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.
2018.12.20
User manual
METER
SRT-147
Assisting the automation
industry since 1986
SRT-147_INSSXEN_v.2.11.001
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Summary of Contents for Simex SRT-147
- Page 1 Assisting the automation industry since 1986 User manual METER SRT-147 Input type: Pt100/500/1000 • Large 4 x 38 mm 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.
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Page 2: Table Of Contents
User manual - METER SRT-147 CONTENTS 1. BASIC REQUIREMENTS AND USER SAFETY..................3 2. GENERAL CHARACTERISTICS........................4 3. TECHNICAL DATA............................5 4. DEVICE INSTALLATION..........................6 4.1. UNPACKING............................7 4.2. ASSEMBLY............................7 4.3. CONNECTION METHOD.........................10 4.4. MAINTENANCE..........................17 5. FRONT PANEL DESCRIPTION........................17 6. PRINCIPLE OF OPERATION........................18 6.1. MEASUREMENT MODE........................18... -
Page 3: Basic Requirements And User Safety
User manual - METER SRT-147 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
2. GENERAL CHARACTERISTICS The SRT-147 meter is equipped with Pt 100/Pt 500/Pt 1000 type input, with automatic connection recognition ( three or four wire sensor). The measurement range spans from -100 °C to +600 °C, and input is fully linearised accordingly to PN-EN60751+A2:1999 standard. -
Page 5: Technical Data
User manual - METER SRT-147 3. TECHNICAL DATA Power supply voltage 85...230...260V AC/DC; 50 ÷ 60 Hz (separated) (depending on version) or 19... 24 ...50V DC and 16... 24 ...35V AC (separated) External fuse (required) T - type, max. 2 A Power consumption max. -
Page 6: Device Installation
User manual - METER SRT-147 Baud rate 1200 bit/s ÷ 115200 bit/s Display LED, 4 digit, 38mm height, red or (depending on version) LED, 4 digit, 38mm height, green Data memory non-volatile memory, EEPROM type Protection level IP 65 optional version with panel cut-out sealing available... -
Page 7: Unpacking
User manual - METER SRT-147 - Read the basic safety requirements on page 3 prior to starting the installation. - Ensure that the power supply network voltage corresponds to the nominal voltage stated on the unit’s identification label. - The load must correspond to the requirements listed in the technical data. - Page 8 User manual - METER SRT-147 137 mm 13 mm 8 mm 8 mm 13 mm max. 5 mm 1 mm 1 mm 138,5 mm max. 5 mm Figure 4.1. Mounting hole dimensions: a) recommended b) allowable...
- Page 9 User manual - METER SRT-147 82 mm 5 mm 12 mm 10 mm Figure 4.2. Installing of brackets, and dimensions of connectors. 163 mm Figure 4.3. Minimum distances when assembly of a number of units...
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Page 10: Connection Method
User manual - METER SRT-147 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 11 User manual - METER SRT-147 – 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 recommended.
- Page 12 User manual - METER SRT-147 16 17 18 Power +24V +5%, -10% supply max = 100mA (depending on version) Pt100/500/1000 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 n.c. DATA- (optional)
- Page 13 User manual - METER SRT-147 16 17 18 Power +24V +5%, -10% supply max = 100mA (depending on version) Pt100/500/1000 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 n.c. n.c. n.c.
- Page 14 User manual - METER SRT-147 16 17 18 Power +24V +5%, -10% supply max = 100mA (depending on version) Pt100/500/1000 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 n.c. n.c. n.c.
- Page 15 User manual - METER SRT-147 3 4 5 6 7 8 9 10 FUSE FUSE Depending on version: 85...230...260V AC/DC or 19...24...50V DC; 16...24...35V AC Figure 4.14. Connection of power supply and relays Contacts of relay outputs are not equipped with spark suppressors. While use the relay outputs for switching of inductive loads (coils, contactors, power relays, electromagnets, motors etc.) it is required...
- Page 16 User manual - METER SRT-147 10 11 10 11 Logic controller LED 10 mA voltage input 24 V Figure 4.16. Example of OC-type outputs connection ACTIVE current output Logic controller current input 0-20 mA Figure 4.17. Example of active current outputs connection...
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Page 17: Maintenance
User manual - METER SRT-147 ACTIVE voltage output Logic controller voltage input 0 - 10V Figure 4.19. Example of active voltage outputs connection (for device with active voltage output only) 4.4. MAINTENANCE The unit does not have any internal replaceable or adjustable components available to the user. -
Page 18: Principle Of Operation
User manual - METER SRT-147 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.) • Exit the current level and Enter to previous menu (or measure mode) •... -
Page 19: Detection Of The Peak Values
User manual - METER SRT-147 6.2. DETECTION OF THE PEAK VALUES The SRT-147 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 20: Control Of The Relay Outputs
User manual - METER SRT-147 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. -
Page 21: One Threshold Mode
User manual - METER SRT-147 6.3.1. One threshold mode Figure 6.4 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 22: Two Thresholds Mode
User manual - METER SRT-147 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 6.4 a, d, e). -
Page 23: Device Programming
User manual - METER SRT-147 Figure 6.5 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 24: Parameters Edition
User manual - METER SRT-147 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 25: Switch Parameters ("List" Type)
User manual - METER SRT-147 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 26: Rel1" Menu
User manual - METER SRT-147 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 27 User manual - METER SRT-147 - two threshold mode, relay is turned ON when the input value is bigger “out” than “bigger threshold + HYSt” and lower than “lower threshold – HYSt” , and turned on when the input signal is contained in the second zone.
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Page 28: Beep" Menu
User manual - METER SRT-147 If option “ noCH ” is selected for “AL” parameter, behaviour of the relay may • depend on “FiLt” parameter in some cases. If “FiLt” is set to big value and the input signal drops, result value of the measure will change slow, causes of turning on or off relay due to thresholds values. -
Page 29: Outp" Menu
User manual - METER SRT-147 7.3.4. ”OutP” menu This menu contains parameters of analogue output control. Menu is available if the device is equipped witch analogue output. Analogue output can be controlled depend on both present measured value and peak value (if peak detection is enabled). -
Page 30: Bri" Parameter
User manual - METER SRT-147 ” Lo r ”, ” Hi r ” - this parameters define the output value range. If calculated output value Out exceeds defined range then analogue output generates signal equal to upper or lower border of the defined range. These parameters defines the percentage extension of nominal analogue range (with 0,1% resolution). -
Page 31: Hold" Menu
User manual - METER SRT-147 7.3.6. ”HOLd” menu This menu contains parameters connected with peak detection function. See also full description of the peak detection function in paragraph: DETECTION OF THE PEAK VALUES “modE” - the type of detected changes of the input signal, can be set to values: ”norm”... -
Page 32: Rs" Menu
User manual - METER SRT-147 7.3.8. ”rS” menu This menu is connected with RS-485 interface, and sets his properties: ”Addr” - this parameter defines the address of the device, accordingly to Modbus protocol. It can be set in range from 0 to 199. If the value 0 is set then device, responds to frames with address 255 (FFh). -
Page 33: Edit" Parameter
User manual - METER SRT-147 7.3.9. ”Edit” paramet er This parameter allows to change the edition mode of numerical parameters: ”dig” - the change to “by digit” mode, ”Slid” - slide change mode. 7.3.10. ”dEFS” parameter This setting allows to restore the factory settings of the device. To get the access to this option special password is required: „5465”, next the device displays acknowledge question... -
Page 34: Menu Structure
User manual - METER SRT-147 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 SRT-147 See previous page ENTER ENTER Parameter MENU modE HOLd edition ENTER MENU timE Hdis MENU H r1 H r2 H r3 H r4 HOUt ENTER ENTER Parameter MENU SECu Scod edition ENTER MENU A r1...
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Page 36: The Alarm Led
User manual - METER SRT-147 8. THE ALARM LED Alarm LED (AL) lights in cases: • exceeding of permissible measurement range • detection of sensor malfunction (shortcut or break of measurement circuit) 9. ANALOGUE OUTPUT VALUE CALCULATION Lets assume that we have active current output and its parameters are: “modE”... -
Page 37: The Modbus Protocol Handling
User manual - METER SRT-147 10. 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 are accepted when receive), no parity control Baud rate:... - Page 38 User manual - METER SRT-147 Register Write Range Register description “bAud” parameter in “rS” menu (baud rate); 0 ÷ 7 0 - 1200 baud; 1 - 2400 baud; 2 - 4800 baud; 3 - 9600 baud; 4 - 19200 baud; 5 - 38400 baud; 6 - 57600 baud; 7 - 115200 baud “mbAc”...
- Page 39 User manual - METER SRT-147 Register Write Range Register description “modE” parameter in “rEL2” menu: 0 ÷ 5 0 - “noAC” mode; 1 - “on” mode; 2 - “oFF” mode; 3 - “in” mode; 4 - “out” mode; 5 - “modb” mode “t on”...
- Page 40 User manual - METER SRT-147 Register Write Range Register description “PEA” parameter in “HOLd” menu (minimum detectable change, no 0 ÷ 9999 decimal point included) “timE” parameter in “HOLd” menu, maximum peaks' (or drops') 0 ÷ 199 display time expressed in seconds “HdiS”...
- Page 41 User manual - METER SRT-147 Register Write Range Register description “AL” parameter in “OUtP” menu (active voltage output value on critical exception): 0 - no change; 1 - 11 V; 2 - 5.5; 3 - 1.2 V; 0 ÷ 5 4 - 0.6 V;...
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Page 42: 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), SRT-147 device address = 01h: ADDR FUNC REG H,L COUNT H,L... - Page 43 User manual - METER SRT-147 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 44 User manual - METER SRT-147 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)
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Page 45: Default And User's Settings List
User manual - METER SRT-147 11. 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 46 User manual - METER SRT-147 Desc. Parameter Description Default value User's value page t on Turn on delay of relay R4 toFF Turn off delay of relay R4 unit Unit of “t on”, “toFF” parameters of relay R4 Reaction for critical situation of relay R4 Activation of acoustic signal (menu “bEEP”)
- Page 47 User manual - METER SRT-147 Desc. Parameter Description Default value User's value page Lo r Extension of the bottom of the nominal output 5.0 (%) range Hi r Extension of the top of the nominal output range 5.0 (%) Voltage output value on critical exception 11.0 (V)
- Page 48 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...
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