Analog Meters with Stepper Motor LSSM3 (LRSM3) User Manual
Contents
1. 70 C H3 114 C 200 C Illumination regulation Ri about 17 KOhm for conventional 24 V PWM dimmer positive or negative regulator input or 0 24 Voc this input is not polarity sensitive Binary connection Selectable as input or output as desired Input binary switched input OV Low 12V 24V High or analog input for PT100 PT1000 three or four wire connection Output switch contact as limit switch Two versions selectable Semiconductor Relay switching capability Imax 100 MA Umax 60 Vpc Magnetic Contact Relay switching capability Imax 500 MA Umax 60 Vpc Accuracy o S O Ambient influences 9 lt 95 relative humidity at 55 C per IEC60068 2 30 25 C to 70 C per IEC60068 2 1 2 Mechanical quantities fibre glass reinforced UV stabilised plastic upper part PC GF10 base plate PC GF30 Housing material faceplate made of non reflective float glass Dimensions and weights square 72 mm 96 mm 144 mm frame size round 60 mm 80 mm 100 mm 130mm tubular diameter Installed depth all models incl connector plug about 80 mm Weights round 60mm 145g 80mm 185g 100mm 245g 130mm 375g Weights square 72mm 170g 96mm 250g 144mm 510g Other o O Minimum switch on period 2 min to store altered basic brightness permanently 3 min to move the pointer from any position to the zero position Frequency signal input Auxiliary connection Scale angle any up to a maximum2. efer also to title sections Button operations and Assignment of setting levels to available functions Attention After performing line compensation the instrument s factory default for compensation is no longer present i e the instrument no longer shows the correct value However the factory default can be reinstated see above Page 2 4 WEIGEL Analog Meters with Stepper Motor LSSM3 LRSM3 4 User Manual Version 1 3 Min max display An instrument with the min max display feature tracks the measured signal s fluctuations and stores the highest and lowest values Critical values that for example occur during the absence of monitoring personnel can therefore be recalled later on Stored values can be called up by means of an external push button on connecting power supply to auxiliary input e Pressing the external push button once will call up the minimum value for five seconds e Pressing the external push button twice will call up the maximum value for five seconds e Pressing the external push button for at least 5 seconds will delete the stored min max values Remarks e While the instrument is displaying a minimum or maximum value it will flash its illumination to indicate it is not displaying the current actual value e Illumination also flashes when the min max data is being deleted Press the buttons until the illumination s flashing stops only then are the data deleted e During a period when a minimum or maxi
3. ir WEIGEL Analog Meters with Stepper Motor LSSM3 LRSM3 4 User Manual Version 1 3 See yy XS Panel cut out dimensions Housing type Panel cut out Permissible deviation LSSM3 072 square 68mm x 68mm 0 7 mm LSSM3 096 square 92mm x 92mm 0 8 mm LSSM3 144 square 138mm x 138 mm 1 0 mm LSSM3 060 round diameter 61 mm 0 5 mm LSSM3 080 round diameter 81 mm 0 5 mm LSSM3 100 round diameter 101 mm 0 5 mm LSSM3 130 round diameter 131 mm 0 5 mm Pin out for the backside connector plug Pin no Description Positive supply voltage Negative supply voltage Illumination control input 1 either polarity Illumination control input 2 either polarity Auxiliary positive connection Auxiliary negative connection Positive signal input CON OO BW NY Negative signal input Casing back Page 1 4 7 WEIGEL Analog Meters with Stepper Motor LSSM3 LRSM3 C 4 User Manual Version 1 3 Pushbutton operations Two pushbuttons at the rear of the instrument are used to set various parameters The adjustment direction for the buttons is stamped into the housing The left button as viewed from the front is marked DOWN the right button is marked UP These buttons can be pressed briefly to adjust by a single increment or long continuous adjustment The instrument s illumination will begin to flash on and off to alert the user that the given adjustment limit has been reached These buttons can be used t
4. mum display is ongoing the min max data cannot be deleted e The min max data are lost when the instrument is switched off Limit switch output This type of instrument can switch its auxiliary connection as an output and thereby serve as a limit switch This feature can be used to switch an external device e g a signal beeper or signalling device etc when a certain instrument value has been reached or alternatively lies within a certain instrument value range The output can either be switched with a current limited semiconductor relay or a normal mechanical mini relay Signal or alarm LED Such instruments are equipped with an additional LED on the scale This LED can assume the states off on and blinking for use in the following manner e it can be coupled to certain measurement values e g excessive speed or over temperature etc e it can be correlated to measurement ranges e g blinking within the red range or blinking outside the green range or similar e it can also be controlled by an external signal applied to the instrument s auxiliary input or if desired by the auxiliary input and the measured value i e both together e another possibility is to have the instrument take notice of a onetime reached warning range and have the LED indicate that the condition occurred even though it has since gone away Only a deliberate reset signal applied to the auxiliary input 24 V connected via a pushbutton switch will then
5. o reach different setting levels Each level allows the setting of a different parameter if they are implemented The following conditions must be observed e Inthe normal state instrument on the level Zero is active e Other setting levels can be reached by pressing and holding both buttons at the same time After five seconds the illumination will flash briefly after another five seconds the illumination will flash a second time after a total of 15 seconds a third flash and so on The point in time when the buttons are released determines the instrument s setting level If the buttons are released after the first flash the instrument is in setting level one after the second flash it is in setting level two and so forth e lf no setting is made after releasing the buttons the instrument will return to setting level zero after ten seconds The illumination is again flashed briefly to indicate this state In this case the parameter that had been selected will not be adjusted e However once a setting level has been selected the given parameter can be adjusted by pressing one of the buttons Each activating of an adjustment button postpones the return to level Zero by another ten seconds This permits the setting of the selected level to be made without haste Only when the setting is finished and no button is pressed for ten seconds does the instrument return to level zero again The change to the adjusted parameter is then sto
6. of 300 standard 240 with pointer LSSM3 or 360 with pointer disk LRSM3 two rear side pushbuttons for setting various parameters see text above specifications subject to change without notice Weigel Me ger te GmbH Postfach 720154 D 90241 N rnberg Telefon 0911 42347 0 ErlenstraRe 14 D 90441 N rnberg Telefax 0911 42347 39 WV a 2 ell rie nce WY ECTS EL Internet http www weigel messgeraete de e mail vertrieb weigel messgeraete de Page 4 4
7. red permanently Returning the instrument to factory settings There is also a technique by which the changes to all setting levels can be reset to the factory default settings To do this just after switching the instrument on and before its initialisation is finished press both buttons and hold them down until the illumination flashes briefly Assignment of setting levels to available functions Level 0 This level is always assigned to the regulation of instrument illumination brightness because this parameter is available during normal operation The factory default for illumination brightness is 100 Level 1 This level is always the separate setting for illumination strength of the illuminated pointer presuming the instrument has this feature The factory default for illuminated pointer illumination strength is 100 Level 2 and additional levels The regulation and settings for other special functions are implemented beginning with this level The explanations for these can be found in the description of the respective special function Special functions Optionally LSSM3 standard instruments may include the following described special functions Line compensation Line compensation can be carried out with the rear side buttons if this special function is available The instrument s reading can be changed by as much as 10 with this setting When available line compensation is built into the instrument s setting level 2 r
8. shut off the LED e Last but not least all of the aforementioned options can be combined freely Blinking pointer All of the aforementioned options described for a signal alarm LED can also be used for an illuminated pointer The illuminated pointer starts to blink when a signal condition is present Signal LED and pointer blinking can also be freely used in combination For example the pointer could be coupled to a measurement value while the signal LED is controlled by the auxiliary input for another purpose Motor with right stop Such instruments are delivered as left turning devices with a right stop limit Page 3 4 merama Analog Meters with Stepper Motor LSSM3 LRSM3 4 User Manual Version 1 3 Technical data Electr connections 0 10Vpc 2 10Vpc Ri 29 KOhm 0 20mApc 4 20mMApc Ri 121 Ohm 10Vpc 10Vpc Ri 26 KOhm 20MApc 20MApc Ri 59Ohm Frequency Range 0 2Hz to 140KHz Scale end value gt 10Hz arbitrarily Waveform any AC Voltages Z00MV pp to 400V pp Positive Frequency Signals low level lt 4V high level 2 6 5V max 200V gt Internal Resistance for all signals 2 220 KOhm Possible sensor types Active Sensors with open collector as PNP or NPN output or with push pull output Passive Sensors inductive magnetic principle Tacho Generators with AC output institforrecisive sencor PT100 PT1000 2 3 or 4 wires 30 C 600 C Imeas 1 6mMA 0 17mA P NTC H1 40 C 120 C H2 5 C
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