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Operating Manual EMGZ421

Technical data EMGZ421

Connection of force sensors

2 force sensors of 350

Ω

Excitation of sensors

4VDC

Input signal voltage

0...7.2mV (max. 9.92mV)

Resolution A/D converter

±4096 Digit (13 Bit)

Measuring error

<0.05% FS

Cycle time

4ms

Operation

4 keys, 4 LED’s, LCD display 2x16 characters

Analogue output 1 (Feedback A–B)

±10V (12 Bit)

Analogue output 2 (Feedback A+B)

0...10V (12 Bit)

Analogue output 3 (Feedback A)

0...5V (8 Bit)

Analogue output 4 (Feedback B)

0...5V (8 Bit)

Digital output 1 (Limit value min.A+B) Open collector, galvanic separated
Digital output 2 (Limit value max.A+B) Open collector, galvanic separated
Digital output 3 (|A–B| > limit)

Open collector, galvanic separated

Digital output 4 (Error)

Open collector, galvanic separated

Digital input 1 (Gain switching A)

24VDC galvanic separated

Digital input 2 (Gain switching B)

24VDC galvanic separated

Digital input 3 (Find offset A)

24VDC galvanic separated

Digital input 4 (Find offset B)

24VDC galvanic separated

Interface RS232

standard

Interface RS485 galvanic separated

Option

Interface CAN-Bus

Option

Power supply

24VDC (18...36VDC) 0.15A
(EMGZ421.E: 230VAC, 110VAC or 24VDC)

Main connector

DIN41612 type F b+d+z

Temperature range

0...50°C [32...122°F]

Weight

0.22kg [.5 lbs]

Содержание EMGZ421

Страница 1: ...g ist auch in deutsch franz sisch und italienisch erh ltlich Bitte kontaktieren Sie die Vertretung im zust ndigen Land Ce mode d emploi est galement disponible en fran ais en italien et en allemand Ve...

Страница 2: ...ngement heavy malfunction can be the result Therefore the installation instructions on the following pages must be followed strictly Local installation regulations are to preserve safety of electric e...

Страница 3: ...nd wiring 9 7 1 Mounting and wiring of the measuring amplifier 9 7 2 Mounting the force sensors 9 7 3 Wiringdiagram Variantforinsertcardsupportblock EMGZ421 10 7 4 Wiring diagram Variant with separate...

Страница 4: ...components The EMGZ421 consists of the following components refer also to fig 1 Force sensors For mechanical electrical conversion of the tension force Force measuring bearing Force measuring roller F...

Страница 5: ...principle The flexion is measured by strain gauges and transmitted to the electronic unit as mV signal Due to the wheatstone wiring of the strain gauges the measured value is according also to the pow...

Страница 6: ...econfiguration required to switch the gain parameters The strain gauge amplifier section written above is integrated twice to provide independent evaluation of each force sensor Interface As standard...

Страница 7: ...to the wiring diagrams refer to 7 3 Wiring diagram variant for insert card support block 7 4 Wiring diagram variant with separate housing Install and wire all your components refer to 7 Installation...

Страница 8: ...support block EMGZ400 series The support block EMGZ555959 has to be ordered separately E411004us If the electronic unit should be mounted into a 19 rack a multipoint plug is used instead of the suppor...

Страница 9: ...rd support block fig 5 The electronic unit then will be inserted into the insert block It will be locked by a stop hook fig 3 Variant with separate housing EMGZ421 E The housing can be mounted in a co...

Страница 10: ...421 E The housing of the electronic unit will be opened by unscrewing the 4 philips screws on the operation panel and swinging out the operation panel to the right side Caution The processor board is...

Страница 11: ...Operating Manual EMGZ421 11 fig 6 Wiring diagram Variant with separate housing E421010e fig 7 Screw terminal arrangement on terminal board E411001e...

Страница 12: ...Manual EMGZ421 12 8 Operation 8 1 View of the operating panel fig 8 Operating panel Variant for insert card support block EMGZ421 E421006e fig 9 Operating panel Variant with separate housing EMGZ421 E...

Страница 13: ...on If not exchange terminals d6 d8 resp 7 8 Insert material or a rope loosely to the machine Adjust offset A by activating the parameter function find offset A and pressing the key for 3 seconds ref t...

Страница 14: ...method The Gain value will be calculated by the following formula and then inputted in the parameters gain channel A gain channel B refer to 10 Parametrization fig 11 Force vectors in the FMS force me...

Страница 15: ...ters Minimum limit A B resp Maximum limit A B The limit switch A B limit is actuated if the difference of the 2 measuring values is higher than the force stored in parameter A B limit Tapping of the l...

Страница 16: ...an be bridged in some cases Connection to a PC etc is done with a 9 or 25 pole Sub D connector 9 2 Command list command answer purpose ERR CR XXXXXX CR read actual errors Pos 1 6 Err1 Err6 Value of Po...

Страница 17: ...Min limit value A B RP14 CR XXXXX CR Max limit value A B RP15 CR XXXXX CR A B limit RP18 CR XX X CR Lowpass display RP19 CR XXX X CR Lowpass output 1 A B RP20 CR XXX X CR Lowpass output 2 A B RP21 CR...

Страница 18: ...CR A B limit WP18XX X CR PACC CR FAIL CR Lowpass display WP19XXX X CR PACC CR FAIL CR Lowpass output 1 A B WP20XXX X CR PACC CR FAIL CR Lowpass output 2 A B WP21XXX X CR PACC CR FAIL CR Lowpass output...

Страница 19: ...f force N kN N _______ Sensitivity sensor A mV V 1 8 0 1 3 0 _______ Sensitivity sensor B mV V 1 8 0 1 3 0 _______ Min limit A B N kN 0 9999 9999 _______ Max limit A B N kN 0 9999 9999 _______ A B lim...

Страница 20: ...Operating Manual EMGZ421 20 10 2 Schematic diagram of parametrization fig 13 State Diagram EMGZ421 E421009e...

Страница 21: ...is equal to executing the parameter function Find offset A Calibration A Use In this parameter using the keys you can input the force value referring to half of the calibration load you applied to the...

Страница 22: ...t N kN Calibration gain 1 B Use Identical with Calibration B but the result is stored under parameter Gain 1 channel B This gain value is used if the digital input Gain switching B is activated Range...

Страница 23: ...Identical with Gain channel A but the value stored here was determined by Calibration gain 1 A The value stored here is used if the digital input Gain switching A is activated Range 0 100 to 9 000 De...

Страница 24: ...imit value min A B will be activated if the threshold value stored in this parameter is passed under If the parameter contains a zero value limit switch monitoring is inactive Range 9999 to 9999 Defau...

Страница 25: ...the more sluggish the output signal will be Due to this filter the output signal will be much more stable in the case of high fluctuations of the force value The lowpass output 1 filter is independen...

Страница 26: ...setting of 1 00 the output 3 0 5V provides the nominal signal level 5V when the feedback A is reaching the nominal force of the sensors If the scale value stored here is reduced the nominal output sig...

Страница 27: ...ission rate of the RS 232 interface Range 300 600 1200 2400 4800 9600 baud Default 9600 7 or 8 data bit Use Setting of the number of data bits of the RS 232 interface Range 7 to 8 Default 8 Increment...

Страница 28: ...Force sensor overload Use sensor with higher nominal force Force sensor has too much sensitivity Set parameter sensitivity sensor B to the correct value or use other sensor Err5 is displayed Output 1...

Страница 29: ...Operating Manual EMGZ421 29 If the measuring amplifier recognizes an error the digital output Error terminal b16 resp 30 is activated In addition the error state can be requested using the interface...

Страница 30: ...n A B Open collector galvanic separated Digital output 2 Limit value max A B Open collector galvanic separated Digital output 3 A B limit Open collector galvanic separated Digital output 4 Error Open...

Страница 31: ...Operating Manual EMGZ421 31...

Страница 32: ...MS Italy Via Baranzate 67 I 20026 Novate Milanese Tel 39 02 39487035 Fax 39 02 39487035 fmsit fms technology com FMS USA Inc 2155 Stonington Ave Suite 119 Hoffman Estates IL 60169 USA Tel 1 847 519 44...

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