20111104_CN.12_complete_UK_LOW.pdf

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EMC - overview 340 EMC connectors and electromagnetic compatibility Experimental tests Tests for measurement of the shielding of ILME special EMC enclosures for multipole rectangular connectors for industrial use were conducted at the CESI EMC Laboratory in Milan, national notified body for certification under the EMC Directive. Shielding attenuation of a component is defined as the ratio of the power radiated within the component and the maximum interference power outside the component in the room (VG 95214-11). For a connector it can be expressed, in analogy with cables, as a function of transfer impedance, which is the ratio between the voltage induced in the shield and the current flowing outside the same. The transfer impedance measurement is a widely used and accepted method to determine shielding attenuation of coaxial cables and connectors. Only recently, due to the increase in digital data transmission speeds and the increase in frequencies of transmitted signals, the issue of identifying efficient and repeatable methods for measuring shielding efficiency, also for connectors traditionally considered low frequency, has been addressed at a regulatory level. An experimental method for determining surface transfer impedance of coupled low frequency connectors is still being studied by IEC. The method chosen by ILME for verification of its system of EMC enclosures and accessories is the line injection method based on German military standards VG 95214-10 and VG 95214-11. Legend: Network analyzer (NWA) R g = output impedance of the signal generator (NWA port1) R 1 = termination resistance of the generator circuit (mesh 1) R i = input impedance of the measuring instrument (NWA port 2) R 2 = termination resistance of the generator circuit (mesh 2) R i R 1 i 2 U 2 injection wire mesh 1 mesh 2 inner conductor A signal with a frequency of 0.1 MHz and 1000 MHz generated by port 1 of the measuring device (network analyzer with 75 Ω output impedance) circulates in mesh 1 consisting of an insulated conductor (injection wire) resting on the surface of two coupled enclosures (shield), terminating on a calibrated (and shielded) resistance of 75 Ω. As a result of the current i 1 injected in mesh 1, an induced voltage U 2 is generated in mesh 2, consisting of an inner pick-up conductor connected to two contacts at the center of the connector inserts, terminated on another calibrated resistance of 75 Ω (shielded), in turn earthed on the coupled enclosures which act as a shield. The voltage is measured on port 2 of the measuring device for S parameters (scattering parameters). The network analyzer sees the device under test as a filter and calculates the measurement providing a graph illustrating the shielding attenuation (measured in dB) as a function of frequency in MHz U 1 R 2 R g i 1 Network analyzer (NWA)
EMC connectors and electromagnetic compatibility The tests were performed on: ● coupled standard enclosures ● coupled EMC enclosures The results are summarized in the diagrams below. Standard enclosure diagram dB -20 -30 -40 -50 -60 -70 -80 -90 -100 S21 log MAG 10 db/ ref -10 db 1 2 0,1 MHz 1 MHz 10 MHz 100 MHz 1 GHz EMC enclosure diagram dB -20 -30 -40 -50 -60 -70 -80 -90 -100 S21 log MAG 10 db/ ref -10 db 1 2 0,1 MHz 1 MHz 10 MHz 100 MHz 1 GHz 3 3 4 4 1_:-78.167 dB 300 kHz 2_:-69.369 dB 1 MHz 3_:-53.543 dB 10 MHz 4_:-34.719 dB 100 MHz 1_:-93.988 dB 300 kHz 2_:-91.86 dB 1 MHz 3_:-87.557 dB 10 MHz 4_:-71.649 dB 100 MHz 341 EMC - overview
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Multipole connectors for industrial
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general index introduction to the c
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general enclosure index C-TYPE size
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IMPORTANT NOTES ILME designs and ma
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general overview MIXO series insert
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connector guide CHOOSE YOUR CONNECT
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general overview of the multipole c
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general features of multipole conne
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standards - connector inside a pane
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standards Determination of creepage
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general overview of the multipole c
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insert features for multipole conne
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conductor connections CSH Series Co
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conductor connections removable cri
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enclosure versions and applications
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enclosure versions and applications
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Web site The technical features of
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Enclosures and inserts combinations
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CKS 3 and 4 poles + m 10A - 400V en
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CK...RY 3 and 4 poles + m 10A - 250
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CD 7 poles + m 10A - 250V enclosure
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CD 15 poles + m 10A - 250V enclosur
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CD 128 poles + m 10A - 250V enclosu
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CT - CTS inserts with incorporated
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CT - CTS 64 poles + m 10A - 250V en
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CDD 24 poles + m 10A - 250V enclosu
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CDD 144 poles + m 10A - 250V enclos
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CQ 12 poles + m coding positions fo
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CQ 5 poles + m 16A - 230/400V enclo
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CQ 4 poles (40A - 400/690V) + 2 pol
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CDC 10 poles + m 16A - 250V enclosu
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CQE 80 CQE 10 poles + m 16A - 500V
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CSH 86 introduction As an improveme
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CSH 88 CSH 6 poles + m 16A - 500V e
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CSH 90 CSH 16 poles + m 16A - 500V
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CSH 92 CSH 32 poles + m 16A - 500V
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CCE 94 CCE 6 poles + m 16A - 500V e
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CCE 96 CCE 10 poles + m 16A - 500V
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JCNE - JCSE 106 enclosures: size
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CNE...RY 112 CNE...RY 6 poles + m 1
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CNE...RY 114 CNE...RY 16 poles + m
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CNE...RY 116 CNE...RY 48 poles + m
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CSS 10 poles + m 16A - 500V enclosu
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CTE - CTSE - CT inserts with incorp
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CTE - CTSE 10 poles + m 16A - 500V
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CTE - CTSE 24 poles + m 16A - 500V
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CT 10 poles + m 16A - 400V enclosur
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CT 24 poles + m 16A - 400V enclosur
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CME - CMSE 3 + 2 (aux) poles + m 16
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CME 16 + 2 (aux) poles + m 16A - 40
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CME 32 + 4 (aux) poles + m 16A - 40
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CP 150 CP 12 poles + m 35A - 400/69
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CX 152 CX 6 poles (40A - 690V) + 36
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CX 154 CX 4 poles (80A - 690V) + m
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MIXO 156 MIXO modular units for mul
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MIXO 158 MIXO modular units for mul
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MIXO 160 MIXO modular units 1 pole
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MIXO 162 main features MIXO CX..G 1
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MIXO 164 MIXO modular units 2 poles
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MIXO main features MIXO CX 3/4 XD m
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MIXO 170 main features MIXO CX 4 X
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MIXO 176 MIXO modular units HT 2 po
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MIXO 180 MIXO modular units 1 or 4
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MIXO 184 MIXO modular units for 2 R
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MIXO 186 MIXO modular units for 9-p
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MIXO MIXO modular inserts for multi
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MIXO 190 MIXO modular units for coa
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MIXO 192 MIXO modular units accesso
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MIXO 194 MIXO frames for modular un
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C-TYPE - metallic - CLASS rotative
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standards 198 ENCLOSURE CHARACTERIS
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C-TYPE - grandezza 32.13 200 combin
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C-TYPE - size 21.21 202 CK and MK e
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C-TYPE - size 21.21 204 CK and MK e
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C-TYPE - size 32.13 CQ enclosures s
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C-TYPE - size 49.16 208 CZ and MZ e
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CH - CA and MH - MA enclosures size
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235
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CQ and MQ - CZAC and CACsize “104
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CH and MH enclosures size “77.62
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CH and MH enclosures size “77.62
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IP67
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enclosures with IP67 V-Type closure
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IP67 V-Type enclosure closing movem
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C7 - C7A and M7 - M7A IP67 enclosur
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C7 - C7A and M7 - M7A IP67 enclosur
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accessories for multiple connectors
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CV - CVA and MV - MVA enclosures si
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V-TYPE - size 57.27 264 CV enclosur
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V-TYPE - size 57.27 266 CV - CVA an
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V-TYPE - size 77.27 268 CV enclosur
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V-TYPE - size 77.27 270 CV - CVA an
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V-TYPE - size 104.27 272 CV enclosu
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V-TYPE - size 104.27 274 CV - CVA a
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T-TYPE - overview 278 characteristi
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T-TYPE - overview introduction New
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T-TYPE - size 44.27 282 TC - TM enc
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T-TYPE - size 77.27 284 TC - TM enc
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JEI - size 44.27 288 JCV enclosures
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Page 296 and 297: JEI - size 104.27 294 JCV enclosure
Page 298 and 299: BIG - overview BIG 296
Page 300 and 301: BIG - overview BIG Enclosures The s
Page 302 and 303: BIG - overview Simplified wiring Co
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Page 325 and 326: enclosures for aggressive environme
Page 327 and 328: CK and MK enclosures size “21.21
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Page 337 and 338: EMC connectors and electromagnetic
Page 339 and 340: EMC connectors and electromagnetic
Page 341: EMC connectors and electromagnetic
Page 347 and 348: CQ enclosures size “32.13” EMC
Page 349 and 350: CZ and MZ enclosures size “66.16
Page 361 and 362: characteristics Description CENTRAL
Page 363 and 364: CA and MA enclosures size “44.27
Page 372 and 373: IP68 - overview general characteris
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special enclosures 390 CG - MG encl
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830V - size 57.27 392 CM - CMA and
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830V - size 57.27 394 CM - CMA and
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396
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830V - size 77.27 398 CM - CMA and
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830V - size 77.27 400 CM - CMA and
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CM - CMA and MM - MMA enclosures si
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COB panel supports for multipole co
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COB panel supports for multipole co
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CZAC and CAC enclosures for special
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CMAN enclosures enclosures for spec
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CYG enclosures for special applicat
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CYG special design enclosures enclo
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accessories 422 complements and acc
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accessories 424 accessories for mul
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accessories 434 CR bridges for delt
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accessories 442 CJ RJ45 connector A
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accessories 444 adaptor inserts 1 s
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accessories 446 adaptor inserts 1 s
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attenuation 448 coaxial connectors
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DESINA main features Hybrid socket
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DESINA main features 1.6 Self-extin
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DESINA feature of inserts for multi
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CXL 2 pole fibre optics + 4 poles 1
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CK and MK enclosures size “21.21
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CK and MK enclosures size “21.21
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crimping tools 464 tools and access
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crimping tools tools and accessorie
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load curves 492 limit current curve
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Part Nos. index 502 Part Nos. index
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Notes
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20111104_CN.12_complete_UK_LOW.pdf

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