ALTHEN SG-2K-IP-12E Series Quick Start Manual Download Page 16

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Component Diagram

Zero

Channel 01

Gain

Channel 01

Zero

Channel 02

Gain

Channel 02

Supply Voltage

Ground (Supply )Voltage

Ground Analogue Output

Analogue Output Channel 1

Ground Analogue Output

Analogue Output Channel 2

Ground Analogue Output

Shield / Housing

+Excitation

–Excitation

+Signal

-Signal

Shield / Housing

+Excitation

–Excitation

+Signal

-Signal

Summary of Contents for SG-2K-IP-12E Series

Page 1: ...ntrols Tel 31 0 70 392 4421 sales altheris nl France Althen DB Innovation Tél 0033 0 4 67 78 61 66 info althensensors fr Sweden Althen Sensors Control AB Tel 46 0 8 7 95 24 90 info althensensors de USA Canada Altheris Inc Sensors Controls Inc Tel 1 858 633 3572 info althensensors com Other Countries please contact us by email at sales althensensors com www althen de V2 1 eng ...

Page 2: ...ic Isolation 6 4 2 Strain Gauge Excitation Voltage 7 4 3 Analogue Output 7 4 3 1 Analogue output voltage 8 4 3 2 Analogue output current 8 5 Starting up 9 5 1 Zero Point Adjustment 10 5 1 1 Tare Resistor 11 5 2 Adjustment Calibration of the amplifier 12 5 2 1 Correction of the Analogue current output 13 5 2 2 Calculation of amplification determing resistor 13 6 Maintenance 14 7 Old appliances disp...

Page 3: ... complete measuring unit must be protected against contact and influence of unauthorised persons In the case of a safety relevant application where a potential malfunction could cause damage to property or persons it is imperative that an additional independent monitor is provided In combination with sensors the maximum loads pressures etc must never be exceeded If you have reasons to assume that ...

Page 4: ...d properly Unused cable glands must be closed with filler plugs The amplifier must be connected to clean ground potential Please refer to the EMC Mounting Instructions in order to connect the sensor shields correctly To avoid possible potential equalization currents over the shield of the cable to the following evaluation unit this shield should be connected over a suitable capacitor 10 nF 200 V O...

Page 5: ...or has been replaced the calibration of the amplifier must be checked A new adjustment might be necessary 3 Technical Description The described 2 channel measuring amplifier serves to supply one or two strain gauge sensors with a full bridge resistance of 300 ohms or more and the amplification of the sensor signal The supply voltage of the amplifier is galvanically isolated from analogue output se...

Page 6: ...o be operated with closed lid only 4 1 Supply Voltage The supply voltage is with version 24E in the range of 18 to 30 VDC and with version E12 within 10 to 18 VDC The presence of the supply internal operating voltage is indicated by the 2 green LEDs on the pcb To protect the electronics an to the supply voltage version corresponding internal self healing polyswitch resettable fuse is built in Whet...

Page 7: ...B for coarse and with potentiometers P 01B1 P 01B for fine adjustment 4 3 Analogue Output The following standardized analogue outputs depending on the ordered option are available Version 010 The output is 0 10 Volts max 1 mA Version B10 The output is 10 Volts max 1 mA Version 420 The output is 4 20 mA max 500 ohms Other analogue outputs available on request For parameter settings further informat...

Page 8: ...t output can be picked up on the corresponding clamps See chapter 4 Terminal Assignment The analogue current output is not capable of going below 4 mA therefore when adjusting the designated zero point the output signal has to be set slightly higher than that just in order to check if said signal does not virtually hang below 4 mA If the output reacts immediately it can be set back to 4 mA otherwi...

Page 9: ...g system must be switched off and marked appropriately Mounting transducer and amplifier Connect transducer to the amplifier Connect multimeter to analogue output Connect supply voltage consider pin assignment Allow the system about 30 min to warm up Check function and calibration of the system Notice The assignment of transducer amplifier is to be complied with After replacing a transducer the ca...

Page 10: ...and amplification gain The zero point adjustment range is approx 10 This range can be changed by setting the dip switch according to the table below S01 1 S01 2 S01 3 S01 4 corresponding to the analogue voltage output ON ON ON ON 1 4 V 1 4 V ON OFF OFF ON 5 V 5 V ON OFF ON OFF 0 6 V 6 5 V OFF ON OFF ON 6 5 V 0 6 V ...

Page 11: ...n to be soldered to the solder pins Rtara on the pcb In addition the solder point LP 04 has to be set to or corresponding to the tare load RTARA kΩ Range 180 1 Volt or 1 Volt 100 1 6 Volt or 1 6 Volt 47 3 Volt or 3 Volt 20 5 Volt or 5 Volt Notice A base load reduces the remaining load capacity by just that value Overloading may cause damage Base load tare maximum load to measure capacity of transd...

Page 12: ...ement system might need to be adjusted Above that the installation position and the overall setup might need an inspection Adjustment Unload the measuring device Connect the multimeter refer to chapter 4 Terminal Assignment Set the analogue output to 0 Volts resp 4 mA Load the measuring device i e the transducer at least 3 times with full load Load the device with 80 of its maximum load Check if t...

Page 13: ...load After adjusting the range the zero shall be set back to 4 0 mA 5 2 2 Calculation of amplification determing resistor The amplification is Gtotal Gdifferential amplifier x Goutput stage The amplification of the output stage is adjustable with the potentiometer P 02 GAIN The adjustable range is Goutput stage 9 5 10 5 Calculation of the coarse amplification resistor RG applies for 10 Volts outpu...

Page 14: ...sposed of separately Amplifiers and measurement units manufactured and sold by Althen Mess Sensortechnik GmbH serve B2B purposes only Therefore those old appliances must not be given to the communal disposer but must be given back to the seller or disposed of properly If you need any further information please contact your local authorities These measures serve to protect the environment and allow...

Page 15: ...esistance 3 MΩ Max input sensitivity 100 mV V at 5 VDC excitation supply Non linearity 0 05 FSO Electrical connection EMC cable gland on internal terminal block Enclosure EMC aluminium diecast enclosure IP66 Dimension B x H x D 220 x 70 x 140 mm Weight approx 1500 g Temperature storage 20 C 60 C Temperature operating 20 C 50 C Order designation SG 2K IP Dual channel strain gauge amplifier in a EMC...

Page 16: ... 02 Supply Voltage Ground Supply Voltage Ground Supply Voltage Ground Analogue Output Analogue Output Channel 1 Ground Analogue Output Analogue Output Channel 2 Ground Analogue Output Shield Housing Excitation Excitation Signal Signal Shield Housing Excitation Excitation Signal Signal ...

Page 17: ...17 17 Housing dimensions Subject to modifications All information describe our products in general form ...

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