Simex STI-94 User Manual Download

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Assisting the automation

industry since 1986

User manual

RATEMETER

STI-94

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Firmware: v.6.00 or higher

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Input type: pulse

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Rotational / linear speed control

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

Producer reserves the right to implement changes without prior notice.

2018.12.18

STI-94_INSSXEN_v.2.09.001

Summary of Contents for STI-94

Page 1: ...R STI 94 Firmware v 6 00 or higher Input type pulse Rotational linear speed control 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 18 STI 94_INSSXEN_v 2 09 001 ...

Page 2: ... Numeric parameters digit change mode 25 7 2 2 Numeric parameters slide change mode 25 7 2 3 Switch parameters LIST type 26 7 3 MENU DESCRIPTION 26 7 3 1 rELAy1 menu 26 7 3 2 bEEP menu 28 7 3 3 inPUt menu 29 7 3 4 FiLtEr menu 31 7 3 5 OutPUt menu 31 7 3 6 briGHt parameter 33 7 3 7 HOLd menu 33 7 3 8 SECU menu 34 7 3 9 rS 485 menu 34 7 3 10 Edit t parameter 35 7 3 11 dEFS parameter 35 7 3 12 SErv m...

Page 3: ...ding 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 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 ...

Page 4: ...or similar 2 GENERAL CHARACTERISTICS The main purpose of STI 94 tachometer is measuring of the linear and rotational speed The device can be used as frequency meter as well Main feature of the tachometer is high precision of measurement 0 02 in full temperature range User can set input divider in range 1 to 19 999 and additional scale coefficients The device can be equipped with two or four relay ...

Page 5: ...12 mA 24V Frequency measurement accuracy 0 02 full temperature range Indication precision Selected from range 0 0 00000 Rotational speed unit 1 s 1 min or 1 h Time between following pulses settable from 0 1 to 39 9 sec Sensor power supply output 24V 5 10 max 100 mA stabilized Relay output 0 2 or 4 NO 1A 250V AC cos j 1 OC type output 0 2 or 4 30mA 30VDC 100mW Active current output optional for two...

Page 6: ... mm 90 5 x 43 mm 102 mm max 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 tightening max torque 0 5 Nm Max connection leads cross section 2 5 mm2 Safety requirements according to PN EN 61010 1 installation category II...

Page 7: ...ported to the carrier Also write down the unit serial number on the housing and report the damage to the manufacturer Attached with the unit please find user s manual warranty assembly brackets 2 pieces 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 i...

Page 8: ...ed mounting hole dimensions Figure 4 2 Allowable mounting hole dimensions Figure 4 3 Installing of brackets and dimensions of connectors 8 90 5 mm 13 mm 8 mm 8 mm 13 mm 1 mm max 5 mm 43 mm 1 mm 92 mm 5 mm 12 mm 10 mm 8 5 mm 16 mm 92 mm max 5 mm 43 mm ...

Page 9: ...er must be selected in such a way that in the case of a short circuit of the cable from the side of the unit the cable shall be protected against destruction with an electrical installation fuse Wiring must meet appropriate standards and local regulations and laws In order to secure against accidental short circuit the connection cables must be terminated with appropriate insulated cable tips Tigh...

Page 10: ...ction systems e g RC type 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 couples of signal cables so called spirals is recommended The spiral best if shielded must be used with RS 485 serial transmission connections In the case of ...

Page 11: ...description OC type outputs 11 16 31 Power supply depending on version 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 R1 R2 R3 R4 optional optional optional optional n c n c COM n c pulse input 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 OC4 Umax 30V DC Imax 30mA Pmax 100mW OC3 OC4 option...

Page 12: ... depending on version optional optional ACTIVE current output optional n c n c COM n c pulse input 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 15 3 4 31 32 33 34 35 Passive isolated Current output 4 20mA optional Power supply depending on version optional optional n c n c COM n c pulse input GND DATA DATA RS 485 Uo 24V 5 10 Imax 100mA R1 R2 n c n c 1 2 5 ...

Page 13: ...output optional Power supply depending on version n c n c COM n c pulse input 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 Imax 30mA Pmax 100mW n c n c optional optional Passive isolated Current output 4 20mA optional Power supply depending on version n c n c COM n c pulse input GND DATA DATA RS 485 Uo 24V 5 10 Imax 100m...

Page 14: ...tive 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 contacts ...

Page 15: ...with common earth Figure 4 16a or common plus Figure 4 16b without additional intermediary circuits sensor with NPN or PNP type output a b Rys 4 16 An example of sensor connection a with common earth b with common plus 15 N 3 4 3 4 L L N COM PNP type sensor Uo 16 31 17 32 18 33 19 34 20 35 n c pulse input n c n c 5 6 7 8 9 COM NPN type sensor 16 31 17 32 18 33 19 34 20 35 n c pulse input n c n c 5...

Page 16: ...urrent output only Figure 4 19 Example of passive current outputs connection for device with passive current output only 16 5 6 10 11 voltage input 24 V Logic controller OC1 Uo 5 6 10 11 OC1 Uo R 2k2 LED 10 mA current input 0 20 mA Logic controller 3 4 ACTIVE current output current input 4 20 mA Logic controller 3 4 5 6 PASSIVE current output Uo Isolation loss ...

Page 17: ...faster ageing of the internal components and shorten the fault free time of unit 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 permanent damage to the housing Product marked with this symbol should not be p...

Page 18: ... the changes made in parameter being edited Symbol used in the manual ENTER Functions Start to edit the parameter Enter to the sub menu Confirmation of changes made in parameter being edited Symbol used in the manual v Functions Change of the present menu Modification of the parameter value Change of the display mode 18 MENU ESC ENTER MENU ESC RESET F R1 R2 R3 R4 ENTER display Thresholds exceeding...

Page 19: ...lculated according to selected by user measurement unit parameter unit and can be expressed by rev sec rev min or rev h Final value is obtained by multiplication the measurement result by parameter mul and division by parameter div Parameters mul and div allow to free scaling of the measurement and obtain automatic recalculation of rotational speed to linear speed see example on page 38 Obtained r...

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 a new peak will be detected while one is displayed this new peak will be displayed and display time counter will be cleared Figure 6 1 If no peaks are detected while time timE elapses device starts to...

Page 21: ...hresholds values If one threshold is used Figure 6 2 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 3 the relay will be turned on when value of input signal is contained in zone A modE in or zone B modE out and turned off if the signal is contained in the second one Figure 6 2 One threshold control of the re...

Page 22: ...steresis and threshold hysteresis respectively If t on and t oFF parameters are set to 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 4 a b c If values of t on or and t oFF are positive then relay state will be turned on if the input value exceeds the border values and stay bigger or lower during at least t on see points B...

Page 23: ...cted with relay outputs are described in paragraph rELAy1 menu 6 3 2 Two thresholds mode Description 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 t oFF 0 tA tB tC tD tE time periods while input signal is in zone A or zone B Figure 6 5 Principle of LED relay output operation for two t...

Page 24: ... particular 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 rELPr1 and his value will be displayed on the display in alternating mode If or v will be pressed in 5 sec again the next threshold will be displayed else the device comes back to the measurement mode If ...

Page 25: ...hanges 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 is displayed After that device returns to the menu 7 2 2 Numeric parameters slide change mode In slide change mode Edit Slid buttons and v has different functio...

Page 26: ...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 ask When ENTER button is pressed again while SEt is displayed the new value of the parameter is stored in EEPROM memory Pressing this button operator can cancel the changes done up to now if they were not approved by ENTER button after the SEt ask and c...

Page 27: ...both thresholds must not cover each other in other case relay can t change his state modE relay operation mode noACt the relay is not active permanent turned off on one threshold mode the relay is turned ON when input signal exceeds SEt P HYSt value and is turned off back when the input signal became lower than SEt P HYSt oFF one threshold mode the relay is turned OFF when input signal exceeds SEt...

Page 28: ... on and t oFF parameters Can be set on one of two values min minutes SEC seconds ALArmS this parameter defines the relay reaction when some critical situations occurs noCHAn relay do not change his state on relay will be turned on oFF relay will be turned off If parameter modE is set to on oFF in or Out the critical situation means that permissible input frequency is exceeded If parameter modE is ...

Page 29: ...red Parameter FrEq Hz Minimum duration of low and high states Permitted duty cycle for max frequency 10 5 ms 5 95 15 3 4 ms 5 95 20 2 5 ms 5 95 30 1 7 ms 5 95 40 1 3 ms 5 95 50 1 ms 5 95 100 500 ms 5 95 300 167 ms 5 95 1 000 50 ms 5 95 3 000 33 ms 10 90 10 000 33 ms 33 66 50 000 not controlled not controlled Tab 7 1 Allowable settings of FrEq parameter and related with them minimum durations of lo...

Page 30: ... 999 999 value 0 is interpreted as 1 000 000 Parameters mul and div can be used to rescale of measurement value setting proper values recalculation of rotational speed to linear speed can be done automatically ZEro t maximum delay time of successive revolution This parameter is defined with 0 1 second precision in range 0 39 9 If delay between successive revolutions are longer than defined value d...

Page 31: ...f peak detection is enabled Omod analogue output mode Depending on version of the device there are following options For active current output oFF current output disabled 0 20 current output enabled with 0 20 mA mode 4 20 current output enabled with 4 20 mA mode modb current output controlled via RS 485 interface For passive current output oFF current output disabled 4 20 current output enabled wi...

Page 32: ...sive current output Parameter Hi r defines higher border of the range due to formula Outmax B B Hi r where B higher signal value range limit This parameter can be set from 0 to 19 9 for active and passive current output or from 0 to 9 9 for active voltage output In example on page 39 of the DISPLAY VALUES CALCULATION paragraph the procedure of the analogue outputs determining is presented in detai...

Page 33: ...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 peaks peak and next drop of the input signal of value equal at least PEA inv drops drop and next peak of the input signal of value equal at least PEA PEA minimal detected signal change classified as pea...

Page 34: ...ce 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 bAud this parameter determines RS 485 interface baud rate It can be set to one of 8 possible values 1200 2400 4800 9600 19200 38400 57600 115200 mbAccE this parameter sets the a...

Page 35: ...hird party RS converters rESP should be adjusted experimentally Table 7 2 contains most frequently used values bAud parameter 38400 57600 115200 rESP parameter 10c 20c 50c Tab 7 2 Settings of rESP parameter 7 3 10 Edit t parameter This parameter allows to change the edition mode of numerical parameters dig the change to by digit mode Slid slide change mode 7 3 11 dEFS parameter This setting allows...

Page 36: ...rEC unit mUL div ZEro t mEAS t Parameter edition ENTER MENU ESC ENTER ENTER MENU ESC SEt P SEt P2 HYSt modE t on t oFF unit ALArmS Parameter edition See next page ENTER MENU ESC ENTER ENTER MENU ESC vALUE droP OUt HI Lo r Hi r AL Parameter edition MENU ESC FiLtEr MENU ESC briGHt ENTER MENU ESC ENTER Parameter edition Options similar to rELAy1 menu optional ENTER MENU ESC ENTER ENTER OUtmod OUt LO ...

Page 37: ...ter edition ENTER MENU ESC ENTER ENTER MENU ESC Addr bAud mbAccE mbtimE rESP Parameter edition ENTER MENU ESC ENTER ENTER MENU ESC SEtcod Acc r1 Acc r2 Acc r3 Acc r4 ENTER MENU ESC ENTER ENTER MENU ESC modE PEA timE H dis H r1 H r2 H r3 H r4 Parameter edition HOUt See previous page MENU ESC SEt 4 digit special password entering 0 _ _ _ ENTER ENTER Default settings restoring ...

Page 38: ...umference 2 x 3 14 x 5 cm 31 40 cm 0 314 m To obtain linear speed multiply rotational speed by determined coefficient mUL 314 div 1000 After storing these parameters device displays linear speed of material movement expressed in m s m min or m h depend on unit parameter with precision selected by PrEc parameter 4 Let s assume that user wants to know how much time is required for backing a bun at c...

Page 39: ...ed Iout exceeds the output working range 3 8 21 mA so current output will generate current equal to the upper border of range defined by parameter Lo r i Hi r it means 21 mA 11 THE MODBUS PROTOCOL 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 selectable from 1200 to 115200 bits second Tran...

Page 40: ... bits are important others are ignored these bits allows user to control the relays via RS 485 interface 06h2 Yes 0h 1800h State of active current output expressed in 1 256 mA units it means that high byte express integer part and low byte fractional part of desired output current Yes 2CCh 1800h State of passive current output expressed in 1 256 mA units it means that high byte express integer par...

Page 41: ...it 1 Acc r2 parameter bit 2 Acc r3 parameter bit 4 Acc r4 parameter 25h Yes 0 5 rESP parameter in rS 485 menu additional response delay 0 no additional delay 1 10c option 2 20c option 3 50c option 4 100c option 5 200c option 27h Yes 0 99 mbtimE parameter in rS 485 menu maximum delay between received frames 0 no delay checking 1 99 maximum delay expressed in seconds 28h Yes 0 1 AL parameter in bEEP...

Page 42: ... on parameter in rELAy2 menu expressed in tenth of seconds or tenth of minutes depend on unit parameter 46h Yes 0 999 t oFF parameter in rELAy2 menu expressed in tenth of seconds or tenth of minutes depend on unit parameter 47h Yes 0 1 unit parameter in rELAy2 menu 0 seconds 1 minutes 48h Yes 0 2 ALArmS parameter in rELAy2 menu 0 no changes 1 on 2 off 49h 4Ah Yes Yes 0 999999 SEt P2 parameter in r...

Page 43: ...er in rELAy4 menu 0 no changes 1 on 2 off 69h 6Ah Yes Yes 0 999999 SEt P2 parameter in rELAy4 menu no decimal point included 70h Yes 0 1 modE parameter in HOLd menu type of detected changes 0 peaks 1 drops 71h 72h Yes 0 999999 PEA parameter in HOLd menu minimum detectable change no decimal point included 73h Yes 0 199 timE parameter in HOLd menu maximum peaks or drops display time expressed in sec...

Page 44: ...5 voltage output controlled via RS 485 interface A1h2 A2h2 Yes 0 999999 OUt LO parameter in OUtPUt menu no decimal point included A3h2 A4h2 Yes 0 999999 OUt HI parameter in OUtPUt menu no decimal point included A5h2 Yes 0 999 Lo r parameter in OUtPUt menu for active current output and active voltage output expressed in 0 1 Yes 0 299 Lo r parameter in OUtPUt menu for passive current output expresse...

Page 45: ... see mbAccE parameter 11 3 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 Starting address address of first register to read write Hi and Lo byte COUNT H L No of registers to read write Hi and Lo byte BYTE C Data byte count in answer frame DATA H L Data ...

Page 46: ...m 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 answer the same as the message ADDR FUNC REG H L DATA H L CRC L H 01 06 00 20 00 02 09 C1 4 Change of baud rate of all devices connected to the net BROADCAST message ADDR FUNC REG H L COUNT H L CRC L H 00 06 00 22 00 04 29 D2 DATA H 0 DATA L 4 new baud rate 19200 baud Devic...

Page 47: ... L DATA H L CRC L H 01 06 00 04 00 10 C9 C7 DATA H L written value 10h 16 out of allowable range 0 5 Device response with exception code 03h ADDR FUNC ERR CRC L H 01 86 03 09 C1 There is no full implementation of the Modbus Protocol in the device The functions presented above are available only 47 i ...

Page 48: ...7 HYSt Hysteresis of relay 0 0 27 modE Operation mode of relay in 27 t on Turn on delay of relay 0 0 sec 28 t oFF Turn off delay of relay 0 0 sec 28 unit Unit of t on toFF parameters of relay SEC 28 ALArmS Reaction for critical situation of relay oFF 28 Parameters of relay R3 operation rELAy3 menu SEt P Relay first threshold 60 0 27 SEt P2 Relay second threshold 70 0 27 HYSt Hysteresis of relay 0 ...

Page 49: ...ying precision 0 0 30 unit Rotational speed unit min 30 F or P Kind of value visible on the display FrEq 30 mUL multiplier 1 30 div divider 1 30 ZEro t Maximum delay between successive revolutions 1 0 sec 30 mEAS t Measurement window width 0 5 sec 30 Configuration of displayed value filtering FiLtEr menu vALUE Filtering ratio 0 31 droP Measurement value change switching off the filter 20 0 31 Acti...

Page 50: ...nfiguration of peaks detection function HOLd menu modE Kind of detected changes norm 33 PEA Minimum detected change 0 0 33 timE Maximum time of peak displaying 0 0 sec 33 H diS The type of displayed value rEAL 33 H r1 Source of relay R1 and LED R1 control rEAL 33 H r2 Source of relay R2 and LED R2 control rEAL 33 H r3 Source of relay R3 and LED R3 control rEAL 33 H r4 Source of relay R4 and LED R4...

Page 51: ... bAud Baud rate 9600 b sec 34 mbAccE Permission to changes of configuration registers on 34 mbtimE Maximum delay between received messages 0 34 rESP Additional delay of answer transmission Std 35 Configuration of numerical parameters edition Edit t Numerical parameters edit mode dig 35 51 ...

Page 52: ...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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