For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit.
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- Clifton Hopkins
- 5 years ago
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1 Current Transducer HO-NSM- SERIES I PN = 8, 15, 25 A Ref: HO 8-NSM-, HO 15-NSM-, HO 25-NSM- For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit. Features Hall effect measuring principle Multirange current transducer through PCB pattern lay-out Galvanic separation between primary and secondary circuit Insulated test voltage 43 V Low power consumption Extremely low profile 12 mm Single power supply + 5 V Fixed offset & sensitivity Over-current detect 2.63 x I PN (peak value) Memory check. Advantages Small size and space saving Only one design for wide primary current range High immunity to external interference 8 mm creepage /clearance High insulation capability Fast response. Applications AC variable speed drives Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (UPS) Switched Mode Power Supplies (SMPS) Power supplies for welding applications The solar inverter on DC side of the inverter (MPPT) Combiner box. Standards EN 5178: 1997 IEC 611-1: 21 IEC : 212 UL 58: 21. Application Domain Industrial. N , N , N Page 1/15
2 Absolute maximum ratings Parameter Symbol Unit Value Supply voltage (not operating) U C V 6.5 Primary conductor temperature T B C 12 ESD rating, Human Body Model (HBM) U ESD kv 2 Stresses above these ratings may cause permanent damage. Exposure to absolute maximum ratings for extended periods may degrade reliability. UL 58: Ratings and assumptions of certification File # E Volume: 2 Section: 5 Standards Ratings CSA C22.2 NO INDUSTRIAL CONTROL EQUIPMENT - Edition 11 - Revision Date 211/8/1 UL 58 STANDARD FOR INDUSTRIAL CONTROL EQUIPMENT - Edition 17 - Revision Date 21/4/15 Parameter Symbol Unit Value Primary involved potential V AC/DC 6 Max surrounding air temperature T A C 15 Primary current I P A According to series primary currents Secondary supply voltage U C V DC 5 Output voltage V out V to 5 Conditions of acceptability When installed in the end-use equipment, consideration shall be given to the following: 1 - These devices have been evaluated for overvoltage category III and for use in pollution degree 2 environment. 2 - A suitable enclosure shall be provided in the end-use application. 3 - The terminals have not been evaluated for field wiring. 4 - These devices have been evaluated for use in 15 C maximum surrounding air temperature. 5 - The secondary (Sensing) circuit is intended to be supplied by a Isolated Secondary Circuit - Limited voltage circuit defined by UL 58 paragraph The maximum open circuit voltage potential available to the circuit and overcurrent protection shall be evaluated in the end use application. 6 - These devices are intended to be mounted on a printed wiring board of end-use equipment. The suitability of the connections (including spacings) shall be determined in the end-use application. 7 - Primary terminals shall not be straightened since assembly of housing case depends upon bending of the terminals. 8 - Any surface of polymeric housing have not been evaluated as insulating barrier. 9 - Low voltage circuits are intended to be powered by a circuit derived from an isolating source (such as a transformer, optical isolator, limiting impedance or electro-mechanical relay) and having no direct connection back to the primary circuit (other than through the grounding means). Marking Only those products bearing the UL or UR Mark should be considered to be Listed or Recognized and covered under UL's Follow-Up Service. Always look for the Mark on the product. Page 2/15
3 Insulation coordination Parameter Symbol Unit Value Comment Rms voltage for AC isolation test 5/6Hz/1 min U d kv 4.3 Impulse withstand voltage 1.2/5 µs Û W kv 8 Partial discharge extinction rms 1 pc U e V 165 Clearance (pri. - sec.) d CI mm 8 Shortest distance through air Creepage distance (pri. - sec.) d Cp mm 8 Case material V according to UL 94 Comparative tracking index CTI V 6 Shortest path along device body Application example V CAT III PD2 Reinforced insulation, non uniform field according to EN 5178 Application example V CAT III PD2 Reinforced insulation, non uniform field according to IEC 611 Application example V CAT III PD2 Simple insulation, non uniform field according to EN 5178, IEC 611 Environmental and mechanical characteristics Parameter Symbol Unit Min Typ Max Comment Ambient operating temperature T A C Ambient storage temperature T S C Surrounding temperature according to UL 58 C 15 Mass m g 5 Page 3/15
4 Electrical data I PN = 8 A At T A = 25 C, U C = + 5 V, N P = 1 turn, R L = 1 KΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 12). Parameter Symbol Unit Min Typ Max Comment Primary nominal rms current I PN A 8 Primary current, measuring range I PM A -2 2 Number of primary turns N P 1,2,3 Supply voltage U C V Current consumption I C ma Reference voltage V ref V Internal reference External reference voltage V ref V Output voltage I PM V out - V ref V -2 2 Output I P = A V out V V ref + V OE Electrical offset voltage V OE mv -7 7 Temperature coefficient of V ref TCV ref ppm/k ±16 ±19-2 C.. 85 C Internal reference -4 C.. 15 C Internal reference Temperature coefficient of V OE TCV OE mv/k ±.88-2 C.. 85 C ±.95-4 C.. 15 C Theoretical sensitivity G th mv/a 1 8 mv/ I U C Sensitivity error ε G % of I PN ±.5 Factory adjustment Temperature coefficient of G TCG ppm/k ±2-4 C.. 85 C ±22-4 C.. 15 C Linearity error.. I PN ε L % of I PN U C Linearity error.. I PM ε L % of I PM U C Gain error with respect to U C ± 1 % %/% ±.5 Gain error per U C drift Magnetic offset I P = after 2.5 x I PN V OM mv ±1 Reaction 1 % of I PN t ra µs 2 di/dt = I PN /µs Response 9 % of I PN t r µs 3.5 di/dt = I PN /µs Frequency bandwidth (- 3 db) BW khz 25 Output rms voltage noise (spectral density) (DC.. 1 khz) Output voltage noise (DC.. 2 MHz) e no µv/ Hz U C V no mvpp 8 Standby pin level V.3 Standby pin 1 level V U C -.3 Time to switch from standby to normal mode µs 2 Over-current detect V 2.6 x I PN 2.9 x I PN 3.2 x I PN peak value X % of I PN ±1 = ε G + ε T A = + 85 C X % of I PN ±2.9 See formula note T A = + 15 C X % of I PN ±3.8 See formula note 1) Note: 1) I P and X TA = ± [X + (TCG/1) (T A - 25) + TCV OE 1 (T A -25) / (G th I P )]. Page 4/15
5 Electrical data I PN = 15 A At T A = 25 C, U C = + 5 V, N P = 1 turn, R L = 1 KΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 12). Parameter Symbol Unit Min Typ Max Comment Primary nominal rms current I PN A 15 Primary current, measuring range I PM A Number of primary turns N P 1,2,3 Supply voltage U C V Current consumption I C ma Reference voltage V ref V Internal reference External reference voltage V ref V Output voltage I PM V out - V ref V -2 2 Output I P = A V out V V ref + V OE Electrical offset voltage V OE mv -5 5 Temperature coefficient of V ref TCV ref ppm/k ±16 ±19-2 C.. 85 C Internal reference -4 C.. 15 C Internal reference Temperature coefficient of V OE TCV OE mv/k ±.75 Theoretical sensitivity G th mv/a mv/ I U C Sensitivity error ε G % of I PN ±.5 Factory adjustment Temperature coefficient of G TCG ppm/k ±2 Linearity error.. I PN ε L % of I PN U C Linearity error.. I PM ε L % of I PM U C Gain error with respect to U C ± 1 % %/% ±.5 Gain error per U C drift Magnetic offset I P = after 2.5 x I PN V OM mv ±12 Reaction 1 % of I PN t ra µs 2 di/dt = I PN /µs Response 9 % of I PN t r µs 3.5 di/dt = I PN /µs Frequency bandwidth (- 3 db) BW khz 25 Output rms voltage noise (spectral density) (DC.. 1 MHz) Output voltage noise (DC.. 2 MHz) e no µv/ Hz 17.5 V no mvpp 5 Standby pin level V.3 Standby pin 1 level V U C -.3 Time to switch from standby to normal mode µs 2 Over-current detect V 2.6 x I PN 2.9 x I PN 3.2 x I PN peak value X % of I PN ±1 = ε G + ε T A = + 85 C X % of I PN ±2.8 See formula note T A = + 15 C X % of I PN ±3.4 See formula note 1) Note: 1) I P and X TA = ± [X + (TCG/1) (T A - 25) + TCV OE 1 (T A -25) / (G th I P )]. Page 5/15
6 Electrical data I PN = 25 A At T A = 25 C, U C = + 5 V, N P = 1 turn, R L = 1 KΩ unless otherwise noted (see Min, Max, typ. definition paragraph in page 12). Parameter Symbol Unit Min Typ Max Comment Primary nominal rms current I PN A 25 Primary current, measuring range I PM A Number of primary turns N P 1,2,3 Supply voltage U C V Current consumption I C ma Reference voltage V ref V Internal reference External reference voltage V ref V Output voltage I PM V out - V ref V -2 2 Output I P = A V out V V ref + V OE Electrical offset voltage V OE mv -5 5 Temperature coefficient of V ref TCV ref ppm/k ±16 ±19-2 C.. 85 C Internal reference -4 C.. 15 C Internal reference Temperature coefficient of V OE TCV OE mv/k ±.75 Theoretical sensitivity G th mv/a 32 8 mv/ I U C Sensitivity error ε G % of I PN ±.5 Factory adjustment Temperature coefficient of G TCG ppm/k ±2 Linearity error.. I PN ε L % of I PN U C Linearity error.. I PM ε L % of I PM U C Gain error with respect to U C ± 1 % %/% ±.5 Gain error per U C drift Magnetic offset I P = after 2.5 x I PN V OM mv ±11 Reaction 1 % of I PN t ra µs 2 di/dt = I PN /µs Response 9 % of I PN t r µs 3.5 di/dt = I PN /µs Frequency bandwidth (- 3 db) BW khz 25 Output rms voltage noise (spectral density) (DC.. 1 MHz) Output voltage noise (DC.. 2 MHz) e no µv/ Hz 1.5 V no mvpp 3 Standby pin level V.3 Standby pin 1 level V U C -.3 Time to switch from standby to normal mode µs 2 Over-current detect V 2.6 x I PN 2.9 x I PN 3.2 x I PN peak value X % of I PN ±1 = ε G + ε T A = + 85 C X % of I PN ±2.8 See formula note T A = + 15 C X % of I PN ±3.4 See formula note 1) Note: 1) I P and X TA = ± [X + (TCG/1) (T A - 25) + TCV OE 1 (T A -25) / (G th I P )]. Page 6/15
7 Typical performance characteristics I PN = 8 A Linearity error (%) Linearity error HO 8-NP Primary current (A) Figure 1: Linearity error Gain [ db at 5 Hz] Frequency characteristics Gain [ db at 5 Hz] Spec Phase Frequency [Hz] Figure 2: Frequency response Phase [deg] Vout Ip Vout Ip Figure 3: Step response 2 µs/div Figure 4: dv/dt 1 µs/div 2 mv/div Figure 5: Output noise Page 7/15
8 Typical performance characteristics I PN = 15 A Linearity error (%) Linearity error HO 15-NP Primary current (A) Figure 6: Linearity error Gain [ db at 5 Hz] Frequency characteristics Gain [ db at 5 Hz] Spec Phase Frequency [Hz] Figure 7: Frequency response Phase [deg] Vout Ip Vout Ip Figure 8: Step response 2 µs/div Figure 9: dv/dt 1 µs/div 2 mv/div Figure 1: Output noise Page 8/15
9 Typical performance characteristics I PN = 25 A Linearity error (%) Linearity error HO 25-NP Primary current (A) Figure 11: Linearity error Gain [ db at 5 Hz] Frequency characteristics Gain [ db at 5 Hz] Spec Phase Frequency [Hz] Figure 12: Frequency response Phase [deg] Vout Ip Vout Ip 2 µs/div 1 µs/div Figure 13: Step response Figure 14: dv/dt 2 mv/div Figure 15: Output noise Page 9/15
10 Maximum continuous DC primary primary current I P (A) HO series T ( C) A Figure 16: I P vs T A for HO series Important notice: whatever the usage and/or application, the transducer jumper temperature shall not go above the maximum rating of 12 C as stated in page 2 of this datasheet. Page 1/15
11 Measuring range with external reference voltage I p (A) HO V ref (V) Upper limit: I P = - 1 V ref + 45 (V ref = V) Lower limit: I P = - 1 V ref + 5 (V ref = V) I p (A) HO V ref (V) Upper limit: I P = 62.5 (V ref = V) Upper limit: I P = V ref (V ref = V) Lower limit: I P = V ref (V ref = V) I p (A) HO V ref (V) Upper limit: I P = 62.5 (V ref = V) Upper limit: I P = V ref (V ref = V) Lower limit: I P = V ref (V ref = V) Lower limit: I P = (V ref = V) Figure 17: I P vs V ref for HO series Example with V ref =.5 V: The 8 A version has a measuring range from A to 4 A The 15 A version has a measuring range from A to 62.5 A The 25 A version has a measuring range from A to 62.5 A Example with V ref = 1.5 V: The 8 A version has a measuring range from -1 A to 3 A The 15 A version has a measuring range from A to A The 25 A version has a measuring range from A to A Page 11/15
12 Application information Total primary resistance The primary resistance is.36 mω per conductor at 25 C. In the following table, examples of primary resistance according to the number of primary turns. Number of primary turns Primary resistance current rms R P [ mω ] Recommended connections OUT IN OUT IN OUT IN Primary nominal current I PN [ A ] Definition of typical, minimum and maximum values Minimum and maximum values for specified limiting and safety conditions have to be understood as such as well as values shown in typical graphs. On the other hand, measured values are part of a statistical distribution that can be specified by an interval with upper and lower limits and a probability for measured values to lie within this interval. Unless otherwise stated (e.g. 1 % tested ), the LEM definition for such intervals designated with min and max is that the probability for values of samples to lie in this interval is %. For a normal (Gaussian) distribution, this corresponds to an interval between -3 sigma and +3 sigma. If typical values are not obviously mean or average values, those values are defined to delimit intervals with a probability of %, corresponding to an interval between -sigma and +sigma for a normal distribution. Typical, maximal and minimal values are determined during the initial characterization of a product. Remark Installation of the transducer must be done unless otherwise specified on the datasheet, according to LEM Transducer Generic Mounting Rules. Please refer to LEM document N ANE1254 available on our Web site: Products/Product Documentation. Page 12/15
13 HO name and codification as example HO 15-NP/SPXXX- 1)2)3)4) HO 15-NP- 1)2)3)4) The 1)2)3)4) indicate the transducer programming. 1) Reference out: 2.5 V Code: 1.65 V Code: V Code: 2.5 V Code: 3 Only Vref IN Code: 4 (Low power mode engaged) 2) Response time: 3.5 s Code: 2 s Code: 1 6 s Code: 2 3) Control EEPROM: YES Code: NO Code: 1 4) Overcurrent detection: 2.9 Code: 3.6 Code: 1 4. Code: Code: Code: Code: Code: Code: 7.67 Code: A.94 Code: B 1.17 Code: C 1.4 Code: D 1.6 Code: E 1.9 Code: F 2.1 Code: G 2.3 Code: H SET_THRESH = SET_THRESH = 1 HO 15-NP/SP33-1)2)3)4) V power supply HO 15-NP- 1)2)3)4) + 5 V power supply Page 13/15
14 PCB Footprint Reflow profile Safety This transducer must be used in limited-energy secondary circuits according to IEC This transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the manufacturer s operating instructions. Caution, risk of electrical shock. When operating the transducer, certain parts of the module can carry hazardous voltage (e.g. primary bus bar, power supply). Ignoring this warning can lead to injury and/or cause serious damage. This transducer is a build-in device, whose conducting parts must be inaccessible after installation. A protective housing or additional shield could be used. Main supply must be able to be disconnected. Page 14/15
15 Dimensions HO 8-NSM-, HO 15-NSM-, HO 25-NSM- (mm, general linear tolerance ±.5 mm) U C V out V ref Page 15/15
For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit.
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Current Transducer ITN 1000-S ULTRASTAB I PM = 1000 A For ultra-high precision measurement of current: DC, AC, pulsed..., with galvanic separation between primary and secondary. Features Closed loop (compensated)
More informationFor ultra-high precision measurement of current: DC, AC, pulsed..., with galvanic separation between primary and secondary. Applications.
Current Transducer IT 200-S ULTRASTAB I PM = 200 A For ultra-high precision measurement of current: DC, AC, pulsed..., with galvanic separation between primary and secondary. Features Closed loop (compensated)
More informationFor the electronic measurement of voltage: DC, AC, pulsed..., with galvanic isolation between the primary and the secondary circuit.
Voltage transducer DVL 15 V PN = 15 V For the electronic measurement of voltage: DC, AC, pulsed..., with galvanic isolation between the primary and the secondary circuit. Features Bipolar and isolated
More informationFor the electronic measurement of voltage: DC, AC, pulsed..., with galvanic isolation between the primary and the secondary circuit.
Voltage transducer V PN = 1 V Ref: DV 1/SP For the electronic measurement of voltage: DC, AC, pulsed..., with galvanic isolation between the primary and the secondary circuit. Features Bipolar and isolated
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High Performance Current Transducer ITL 900-T For the electronic measurement of currents: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit. I PM = 0... 900 A Electrical
More informationFor ultra-high precision measurement of current: DC, AC, pulsed..., with galvanic separation between primary and secondary. Applications.
Current Transducer IT 205-S ULTRASTAB I PN = 200 A For ultra-high precision measurement of current: DC, AC, pulsed..., with galvanic separation between primary and secondary. Features Wide operating temperature
More informationFor the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit.
Current Transducer IN 1000-S I P N = 1000 A For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit. Features Closed loop (compensated)
More informationFor the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit.
Current Transducer IN 1000-S N = 1000 A For the electronic measurement of current: DC, AC, pulsed..., with galvanic separation between the primary and the secondary circuit. Features Closed loop (compensated)
More informationFor the electronic measurement of voltage: DC, AC, pulsed..., with galvanic isolation between the primary and the secondary circuit.
Voltage transducer V PN = 4 V Ref: DV 4/SP4 For the electronic measurement of voltage: DC, AC, pulsed..., with galvanic isolation between the primary and the secondary circuit. Features Bipolar and isolated
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High Performance Current Transducer IT 200-S ULTRASTAB For the electronic measurement of currents: DC, AC, pulsed..., with galvanic isolation between the primary circuit and the secondary circuit. I PM
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More informationI PM. Current Transducer ITZ 5000-SB FLEX ULTRASTAB = 5000 A
urrent Transducer ITZ 5000-SB FLEX ULTRASTAB I PM = 5000 A For ultra-high precision measurement of current: D, A, pulsed..., with galvanic separation between primary and secondary. Separate magnetic head
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More informationThe four pin one (J1) makes possible to supply the board and access to the output voltage easily. It has the following pin-out:
User guide for FHS 40-P Current Transducer FHS 40-P Kit 9 (G2.00.23.108.0) Evaluation PCB Connectors Pin-OUT The board has two single row connectors J1 and J2. The four pin one (J1) makes possible to supply
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Ultra-stable, high precision (ppm class) fluxgate technology DS Series current transducer for non-intrusive, isolated DC and AC current measurement up to 2000A Features 20 ppm linearity 15 ppm offset 10V
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Ultra-stable, high precision (ppm class) fluxgate technology DS Series current transducer for non-intrusive, isolated DC and AC current measurement up to 1000A Features Linearity error maximum 1 ppm Fluxgate,
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Ultra-stable, high precision (ppm class) fluxgate technology DS Series current transducer for non-intrusive, isolated DC and AC current measurement up to 3000A Features ppm linearity 0 ppm offset Current
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