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ALTHEN SG-IP-12E 4P Series, Manual

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ALTHEN SG-IP-12E 4P Series Manual Download Page 1

 

 

 

Single Channel Strain Gauge Amplifier 

for up to 4 parallel normalized sensors 

SG-IP-12E/24E-xxx-4P 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Germany | Switzerland | Austria 

Althen GmbH Mess- & Sensortechnik 
Tel: + 49 (0)6195 - 70060 
[email protected] 

Benelux 

Althen bv Sensors & Controls 
Tel: +31 (0)70 392 4421 
[email protected] 

France 

Althen / DB Innovation 
Tél : 0033 (0)4 67 78 61 66 
[email protected] 

Sweden 

Althen Sensors & Control AB 
Tel. +46 (0)8 7 95 24 90 
[email protected] 

USA | Canada 

Altheris Inc Sensors & Controls Inc. 
Tel: +1 858-633-3572 
[email protected] 

Other Countries 

please contact us 
by email at  
[email protected] 
www.althen.de 

 

 

 

 

 

V2.1 eng 

Summary of Contents for SG-IP-12E 4P Series

Page 1: ...ux Althen bv Sensors Controls 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: ... isolation 7 4 2 Strain gauge excitation voltage 7 4 3 Analogue output 8 4 3 1 Analogue output voltage 8 4 3 2 Analogue output current 8 4 4 Setpoints option GW 9 4 4 1 Setpoint settings 9 5 Starting up 10 5 1 Zero point adjustment range 11 5 1 1 Tare 12 5 2 1 Correction of the analogue current output 14 5 2 2 Calculation of amplification determing resistor 14 6 Maintenance 15 7 Old appliances dis...

Page 3: ...he complete measuring unit must be protected against contact and influence of unauthorized 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 tha...

Page 4: ...ed properly Unused cable glands must be closed with filler plugs The amplifier must be connected to clean earth 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: ...ustment might be necessary 3 Technical description The described single channel measuring amplifier serves to supply one to 4 parallel connected strain gauge sensors with each a resistance of 300 Ohms or more and the amplification of the sensor signals The supply voltage of the amplifier is galvanically isolated from analogue output sensor supply and sensor signal The circuitry is in 4 wire techno...

Page 6: ...30 VDC 0 5 A MIN N C 31 SP 2 Relay 2 30 VDC 0 5 A MAX N C 29 SP 1 Relay 1 30 VDC 0 5 A MIN root 32 SP 2 Relay 2 30 VDC 0 5 A MAX root 30 SP 1 Relay 1 30 VDC 0 5 A MIN N O 33 SP 2 Relay 2 30 VDC 0 5 A MAX N O Terminals supply ground and analogue ground are isolated galvanically To unset this isolation clamp 2 3 and 4 are to be bridged 4 1 Supply voltage The supply voltage is with version 24E in the...

Page 7: ... or 5 VDC unipolar voltage This value can be selected with solder points LP 04 and LP 05 for coarse and with potentiometers P 03 and P 04 for fine adjustment If an optional pre adjustment of the amplifier has been ordered the excitation voltage is pre selected and fine adjusted Changing the excitation voltage should not be necessary Fig 1 Soldering points for excitation voltage adjustment LP 05A L...

Page 8: ...the transducer to 5 volts of the output This zero point elevation is also necessary for the analogue current output 5 V 5 V equals 12 mA 8 mA To lift the zero point to 5V please refer to chapter 5 1 1 tare 4 3 2 Analogue output current The analogue current output can be picked up on the corresponding clamps See chapter 4 Terminal Assignment The analogue current output is not capable of going below...

Page 9: ...he permitted range SP1 MIN current measuring value SP2 MAX all set point relays are activated The relays drop out if a setpoint is under run SP 1 or exceeded SP 2 or if the supply voltage fails Notice The setpoints are not pre adjusted by the manufacturer These settings have to be made by the customer The maximum switching capacity is 30V 0 5A 4 4 1 Setpoint settings The setpoints can be set freel...

Page 10: ...environmental influences as well as to mounting etc If any visual damage or malfunctions are noticed the measuring 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 th...

Page 11: ...ication gain The zero point adjustment range is approx 10 This range can be changed by setting the dip switch according to the table below Fig 3 Dip switch and potis 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 12: ...voltage divider LP 02 Tara LP 03 Tara aktiviert Tara Tara inaktiv 10 V R38 Poti R39 Example 1 Measuring Range 200 kN equals 1 V Tare 100 kN equals 0 5 V Tare range 50 kN equals 0 25 V Tara lower value 50 kN equals 0 25 V Tara upper value 150 kN equals 0 75 V So the poti should have an adjustment range from 0 25 to 0 75 Volts That means with an overall voltage of 10 Volts and a potentiometer of 10 ...

Page 13: ...ve that the installation position and the overall setup might need an inspection Adjustment Calibration The coarse amplification and thus the voltage output is determined by an internal resistor RG and can be fine adjusted by a potentiometer P 02 To adjust the current output which follows the voltage output the potentiometer P 03 is to be used See next chapter Before the calibration a warm up time...

Page 14: ...ll be set back to 4 0 mA Fig 4 Analogue output current adjustment 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 Volts Calculation of the coarse amplification resistor RG applies for 10 Volts o...

Page 15: ...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 16: ...VDC excitation supply Non linearity 0 05 FSO Electrical connection EMC cable gland on internal terminal block Enclosure EMC aluminum diecast enclosure IP66 Dimension B x H x D 220 x 80 x 120 mm Weight 1650 g Temperature storage 20 C 60 C Temperature operating 20 C 50 C Order designation SG IP Single channel strain gauge amplifier in an EMC aluminum diecast enclosure IP66 12E Supply voltage 10 18 V...

Page 17: ...17 18 Component diagram ...

Page 18: ...18 18 Housing dimensions Subject to modifications All information describes our products in general form ...

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