Operating instructions Control monitor for temperature sensors TR /00 04/2011

Transcription

1 Operating instructions Control monitor for temperature sensors TR /00 04/20

2 Contents Preliminary note3. ymbols used 3 2 afety instructions 3 3 Functions and features 4 4 Function 4 4. Communication, parameter setting and evaluation witching function 5 5 Installation 5 6 Electrical connection6 7 Operating and display elements 7 8 enu8 8. enu structure Explanation of the menu 9 9 Parameter setting 0 9. General parameter setting Configuration of the display (optional) etting of the output signals etting of the output function etting of the switching limits User settings (optional) etting the measurement method Zero point calibration etting the switching delays etting of the error behaviour of the outputs etting of the switching logic for OUT ervice functions Reading of the min/max values for the system temperature Reset of all parameters to factory setting 3 0 Operation 4 0. Reading of the set parameters Fault indication 4 2

3 cale drawing 5 2 Technical data 6 2. etting ranges 7 3 Factory setting 7 Preliminary note. ymbols used Instruction > Reaction, result [ ] Designation of pushbuttons, buttons or indications Cross-reference Important note Non-compliance can result in malfunctions or interference. 2 afety instructions Please read this document prior to set-up of the unit. Ensure that the product is suitable for your application without any restrictions. Improper or non-intended use may lead to malfunctions of the unit or to unwanted effects in your application. That is why installation, electrical connection, set-up, operation and maintenance of the unit must only be carried out by qualified personnel authorised by the machine operator. Check the compatibility of the product materials ( 2 Technical data) with the media to be measured in all applications. 3

4 3 Functions and features With temperature sensors connected the unit monitors the system temperature in machinery and plant. Connectable temperature sensors: Temperature sensors T, T or TT. Resistance thermometer RTD (Pt 00 or Pt 000). The unit automatically detects the connected sensor type and configures itself accordingly The electrical measuring method (3-wire or 4-wire sensor) is determined via the menu setting ( 9.5.). 4 Function 4. Communication, parameter setting and evaluation The unit displays the current system temperature. It generates 2 output signals according to the parameter setting. OUT witching signal for system temperature limit value. OUT2 witching signal for system temperature limit value. It moreover provides the process data via IO-Link. The unit is laid out for fully bidirectional communication. o, the following options are possible: - Remote display: Reading and displaying the current system temperature. - Remote parameter setting: Reading and changing current parameter settings with the FDT service program ifm Container or via IO-Link. - Using the FDT service program ifm Container, the current parameter settings can be stored and transferred to other units of the same type. The program library of the available DT objects can be found at ervice Download. Device-specific parameter lists for IO-Link parameter setting are available at: elect your country Data sheet direct: 4

5 4.2 witching function OUTx changes its switching state if it is above or below the set switching limits (Px, rpx). The following switching functions can be selected: Hysteresis function / normally open: [OUx] = [Hno] ( fig. ). Hysteresis function / normally closed: [OUx] = [Hnc] ( fig. ). First the set point (Px) is set, then the reset point (rpx) with the requested difference. Window function / normally open: [OUx] = [Fno] ( fig. 2). Window function / normally closed: [OUx] = [Fnc] ( fig. 2). The width of the window can be set by means of the difference between Px and rpx. Px = upper value, rpx = lower value. T T FE 2 P rp HY P rp 0 0 t Hno Hnc 0 0 t Fno Fnc T = system temperature; HY = hysteresis; FE = window When set to the window function the set and reset points have a fixed hysteresis of 0.25 % of the measuring range. This keeps the switching state of the output stable if the temperature varies slightly. 5 Installation Connect the unit to a temperature sensor and fix it with the help of mounting accessories. The following components are available as accessories order no. ounting set for direct connection of temperature sensors TT E3007 ounting clamp Ø 34 mm, PBT E007 ounting clamp Ø 34 mm, PA E093 ounting device 2 way, PO E30078 ounting device 3 way, PO E

6 6 Electrical connection The unit must be connected by a qualified electrician. The national and international regulations for the installation of electrical equipment must be adhered to. Voltage supply to EN 5078, ELV, PELV. Disconnect power. Connect the unit as follows: pnp BN WH BK BU L+ L 2 npn BN WH BK BU L+ L 2: OUT2 4: OUT J J J : two-wire sensor 2: three-wire sensor 3: four-wire sensor connection for voltage supply and output signals Pin Pin 3 Pin 4 (OUT) Pin 2 (OUT2) Ub+ Ub- Binary switching output temperature monitoring. Data channel for bidirectional communication. Binary switching output temperature monitoring. 6

7 connection for temperature sensor enu setting: mod = 4w, links between / 2 and 3 2-wire sensor / 4. A wiring fault can be corrected in the menu COF. enu setting: mod = 3w, link between / 2. The maximum cable resistance of 0 Ω per core must 3-wire sensor not be exceeded (this corresponds to a cable length of approx. 80 m for a wire cross-section of 0.4mm²). 4-wire sensor enu setting: mod = 4w. Core colours of ifm sockets: = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black) 7 Operating and display elements ode/enter et 0 to 8: Indicator LEDs --LED : Current temperature in C. --LED 2: Current temperature in F. --LED 7, LED 8 = switching state of the corresponding output. 9: Alphanumeric display, 4 digits --Display of the current system temperature. --Indication of the parameters and parameter values. 0: et button --etting of the parameter values (scrolling by holding pressed; incrementally by pressing once). : ode/enter button --election of the parameters and acknowledgement of the parameter values. 7

8 8 8 enu 8. enu structure RUN

9 8.2 Explanation of the menu P/rP P2/rP2 OU OU2 mod Upper / lower limit value for system temperature at which OUT switches. Upper / lower limit value for system temperature at which OUT2 switches. Output function for OUT: witching signal for the temperature limit values: Hysteresis function [H..] or window function [F..], either normally open [. no] or normally closed [. nc]. Output function for OUT2: witching signal for the temperature limit values: Hysteresis function [H..] or window function [F..], either normally open [. no] or normally closed [. nc]. easurement method (2-wire, 3-wire or 4-wire temperature sensors). EF Extended functions / opening of menu level 2. HI LO COF d/d2 dr/dr2 FOU FOU2 P-n di Uni re aximum value memory for system temperature. inimum value memory for system temperature. Zero-point calibration. witch-on delay for OUT / OUT2 witch-off delay for OUT / OUT2. Behaviour of output in case of an internal fault. Behaviour of output 2 in case of an internal fault. Output logic: pnp / npn. Update rate and orientation of the display. Unit of measurement for system temperature. Restore factory settings. 9

10 9 Parameter setting During parameter setting the unit remains in the operating mode. It continues its monitoring function with the existing parameters until the parameter setting has been completed. 9. General parameter setting 3 steps must be taken for each parameter setting: election of the parameter Press [ode/enter] until the requested parameter is displayed. 0 ode/enter et 2 etting of the parameter value Press [et] and keep it pressed. > > Current setting value of the parameter flashes for 5 s. ode/enter et > > After 5 s: etting value is changed: incrementally by pressing the button once or continuously by keeping the button pressed. Numerical values are incremented continuously. For reducing the value: Let the display move to the maximum setting value. Then the cycle starts again at the minimum setting value. 3 Acknowledgement of the parameter value Press [ode/enter] briefly. > > The parameter is displayed again. ode/enter et The new setting value is stored. etting of other parameters tart again with step. Finishing the parameter setting Press [ode/enter] several times until the current measured value is displayed or wait for 5 s. > > The unit returns to the operating mode. If [Loc] is displayed when attempting a modification of a parameter value, the sensor is locked via software. This locking can only be removed via a parameter setting software. In case of parameter setting with the user interface of the ifm Container program, the values can be directly entered in the specified fields. For IO-Link parameter setting device-specific parameter lists at: elect your country Data sheet direct:

11 Change from menu level to menu level 2: Press [ode/enter] until [EF] is displayed. If the submenu is protected with an access code, [Cod] flashes in the display. Press [et] and keep it pressed until the valid code no. is displayed. Press [ode/enter] briefly. On delivery by ifm electronic: no access restriction. Press [et] briefly. > > The first parameter of the sub-menu is displayed (here: [HI]). ode/enter et ode/enter et With the user interface of the ifm Container program: Activate the [EF] button. If menu level 2 is protected by an access code, the input field for the code no. is activated. Enter valid code no. Locking / unlocking The unit can be locked electronically to prevent unintentional settings. ake sure that the unit is in the normal operating mode. Press [ode/enter] + [et] for 0 s. ode/enter et > > [Loc] is displayed. During operation: [Loc] is briefly displayed if you try to change parameter values. For unlocking: Press [ode/enter] + [et] for 0 s. > > [uloc] is displayed. ode/enter et On delivery: unlocked. Timeout: If no button is pressed for 5 s during parameter setting, the unit returns to the operating mode with unchanged values. 0 s 0 s

12 9.2 Configuration of the display (optional) elect [Uni] and set the unit of measurement: [ C] or [ F]. elect [di] and set the update rate and orientation of the display: --[d]: Update of the measured values every 50 ms. --[d2]: Update of the measured values every 200 ms. --[d3]: Update of the measured values every 600 ms. --[rd], [rd2], [rd3]: Display as for d, d2, d3; rotated by [OFF]: The display is switched off in the operating mode etting of the output signals 9.3. etting of the output function elect [OU] and set the function: --[Hno] = Hysteresis function / normally open. --[Hnc] = Hysteresis function / normally closed. --[Fno] = Window function / normally open. --[Fnc] = Window function / normally closed. elect [OU2] and set the function: --[Hno] = Hysteresis function / normally open. --[Hnc] = Hysteresis function / normally closed. --[Fno] = Window function / normally open. --[Fnc] = Window function / normally closed etting of the switching limits elect [P] / [P2] and set the value at which the output switches. elect [rp] / [rp2] and set the value at which the output switches off. rpx is always smaller than Px. The unit only accepts values which are lower than the value for Px. 9.4 User settings (optional) 9.4. etting the measurement method elect [mod] and set the value: --[3w] for 3-wire measurement. --[4w] for 2-wire and 4-wire measurement 2

13 9.4.2 Zero point calibration elect [COF] and enter value. etting range: C in steps of 0. C F in steps of 0. F. The internal measured value "0" is shifted by this value etting the switching delays [d] / [d2] = switch-on delay for OUT / OUT2. [dr] / [dr2] = switch-off delay for OUT / OUT2. elect [d], [d2], [dr] or [dr2] and set a value between 0. and 50 s (at 0.0 the delay time is not active) etting of the error behaviour of the outputs elect [FOU] or [FOU2] and set the value: --[On] = Output / 2 switches ON in case of a fault. --[OFF] = Output / 2 switches OFF in case of a fault etting of the switching logic for OUT elect [P-n] and set [PnP] or [npn]. 9.5 ervice functions 9.5. Reading of the min/max values for the system temperature elect [HI] or [LO], briefly press [et]. [HI] = maximum value, [LO] = minimum value. Delete memory: elect [HI] or [LO]. Press [et] and keep it pressed until [----] is displayed. Press [ode/enter] briefly Reset of all parameters to factory setting elect [re]. Press [et] and keep it pressed until [----] is displayed. Press [ode/enter] briefly. We recommend taking down your own settings in the table before carrying out a reset ( 3 Factory setting). 3

14 0 Operation After power on, the unit is in the Run mode (= normal operating mode). It carries out its measurement and evaluation functions and provides output signals according to the set parameters. Operating indications Chapter 7 Operating and display elements. 0. Reading of the set parameters Press [ode/enter] until the requested parameter is displayed. Press [et] briefly. > > The unit displays the corresponding parameter value for about 5 s. After another 5 s the unit returns to the Run mode. 0.2 Fault indication [OL] Temperature too high (measuring range exceeded by more than 3% of the final value of the measuring range). [UL] Temperature too low (measuring range below the final value of the measuring range by more than 0%). [Err] No temperature sensor connected. Fault or short circuit in the temperature sensor, wire break. Detection zone is exceeded (T < -60 C or T > +60 C). [C] hort circuit in OUT* [C2] hort circuit in OUT2* [C] hort circuit in both switching outputs* [Loc] etting pushbuttons of the unit locked, parameter change rejected. [Loc] Unit locked via software, parameter change rejected. [PARA] etting value of a parameter outside the valid range the unit is not ready for operation. The error may occur with IO-Link parameter setting. If an invalidly set parameter is activated, [PARA] is displayed instead of the parameter value. *The output concerned is switched off as long as the short circuit exists. The messages Err, PARA and C are shown even if the display is switched off. 4

15 Response of the outputs in case of a parameter setting fault [PARA]: OUT OUT2 Invalid setting [OU] / [OU2] OFF OFF Invalid setting [FOU] / [FOU2] OFF OFF Invalid setting [P-n] OFF OFF Invalid setting of other parameters acc. to setting [FOU] acc. to setting [FOU2] cale drawing ,5 2x G Dimensions in mm : Display 2: LEDs 3: Programming button 4: Connector for temperature sensor (2x) 5

16 2 Technical data easuring range [ C / F] / Communication interface... IO-Link.0 Baud rate [kbaud] Operating voltage [V] DC Current rating [ma] hort-circuit protection (pulsed); protected against reverse polarity and overload Integrated watchdog Voltage drop [V]...< 2 Current consumption [ma]...< 50 Response time switching output [ms]...30 Accuracy (the values apply to flowing water) - switching output [K]...± display [K]...± 0.3 Resolution - switching output [K] display [K]...0. Housing materials... stainless steel (3045); stainless steel (30322); EPD/X (antoprene); PC (akrolon); PBT (Pocan); FP (Viton) Operating temperature [ C] torage temperature [ C] Pressure resistance [bar] Protection rating... IP 67 Protection class...iii hock resistance [g] (DIN / IEC , ms) Vibration resistance [g] ( DIN / IEC , Hz) EC EN ED:... 4 kv CD / 8 kv AD EN HF radiated:... 0 V/m EN Burst:... 2 kv EN urge:... kv EN HF conducted:... 0 V 6

17 2. etting ranges P / P2 rp / rp2 min max min max T C F T = step increment 3 Factory setting Factory setting P 60.0 rp 50.0 User setting OU OU2 Hno Hno P rp mod 4w COF 0.0 d 0.0 dr 0.0 d2 0.0 dr2 0.0 FOU FOU2 P-n di OFF OFF PnP d2 Uni C Further information at 7