M12 Connector & Cable Guide: Coding Hom, Pinouts, thiab Yuav Ua Li Cas Xaiv Qhov Zoo

Mar 31, 2026

Tso lus

Phau Ntawv Qhia Kev Sib Txuas Hauv Kev Lag Luam

M12 Connector & Cable Guide:
Coding hom, Pinouts, thiab Yuav Ua Li Cas Xaiv Qhov Zoo

M12 connector yog siv dav tshaj plaws nyob rau hauv kev lag luam automation. Phau ntawv qhia no npog tag nrho M12 toj roob hauv pes: hom coding, pin configurations, hluav taws xob ntsuam xyuas, IP tiv thaiv qib, cable tsho ntaub ntawv, thiab cov kev xaiv uas tseem ceeb rau B2B buyers.

Qeb: Muaj kev sib txuas | Ntsiab lus: M12 Circular Connectors | Lub sij hawm nyeem ntawv: 10–12 feeb

💡 Cov Lus Qhia Tseem Ceeb

  • M12 connectors siv amechanical coding (keying) systemlos tiv thaiv kev sib raug zoo ntawm cov teeb liab sib txawv thiab hom fais fab.
  • Cov coding feem ntau yogA -code(sensors),D-cov(100 Mbps Ethernet), thiabX-cov(1/10 Gbps Ethernet).
  • Pin suav muaj nyob ntawm3 rau 17; Kev ntsuas hluav taws xob sib txawv los ntawm coding thiab tus lej suav.
  • Standard M12 connectors raug ntsuasIP67; IP68 thiab IP69K variants yog muaj rau submersion thiab siab -pressure washdown.
  • Cov khoom siv cable tsho tseem ceeb:PVCrau kev siv dav dav,PURrau roj/coolant kuj, thiabsiab -flexrated cables rau kev txav mus los.
  • M12 K-code thiab L-codefais fab connectors yog nce hloov loj 7/8-inch connectors nyob rau hauv lub hwj chim faib.

01 · M12 Connector yog dab tsi?

M12 yog lub voj voog txuas nrog 12 hli txoj kab uas hla xauv xov (M12 × 1.0 mm suab), tus qauv raws li IEC 61076-2-101 rau cov teeb liab txuas thiab IEC 61076-2-111 rau cov khoom siv hluav taws xob. Nws yog Ameslikas tsim rau kev lag luam sensor thiab actuator kev sib txuas thiab txij li tau nthuav dav los npog Ethernet networking, hluav taws xob faib, thiab hybrid cov ntaub ntawv-ntxiv-lub zog siv.

Cov yam ntxwv tseem ceeb ntawm mechanical:

  • Xov:M12 × 1.0 mm, ntsia hlau- xauv (tus qauv) lossis thawb- rub (IEC 61076-2-010)
  • Mating cycles:Feem ntau ntsuas rau 100-500 mating cycles nyob ntawm cov chaw tsim khoom
  • Khoom siv lub cev:Brass (nickel{0}}plated), stainless hlau (rau cov khoom noj/pharma), los yog siab - yas kev ua tau zoo
  • Mounting style:Cable mount (ncaj lossis txoj cai-angle), vaj huam sib luag mount (pem hauv ntej lossis nram qab), PCB mount, teb-wireable

Cov ntsia hlau-locking mechanism muab kev vibration tsis kam uas snap-in los yog bayonet connectors tsis tuaj yeem sib tw hauv siab -kev co ib puag ncig xws li cav, conveyor systems, thiab railway dov Tshuag. Lub laub-rub qhov sib txawv, nce nrov hauv qhov chaw- txwv kev teeb tsa, muab cov cuab yeej- kev sib txuas pub dawb thiab kev tsis sib txuas thaum tswj hwm qhov ntsuas IP tib yam.

 

02 · M12 Coding Hom Piav Qhia

M12 connectors siv ib tug mechanical keying system - hu ua "coding" - los tiv thaiv cov connectors nqa ntau hom teeb liab los ntawm kev sib koom ua ke. Tus A-coded txiv neej connector lub cev tsis tuaj yeem muab tso rau hauv D-coded poj niam connector. Qhov no yog ib qho kev nyab xeeb thiab kev ntseeg siab, tsis yog ib lub rooj sib tham xwb. Tam sim no muaj kaum tus qauv coding hom:

Coding Daim ntawv thov Pin suav Voltage / Tam sim no Cov Khoom Siv Tseem Ceeb
A Sensors thiab actuators 3, 4, 5, 8, 12, 17 60–250V / 1.5–4A Qhov sib thooj sensors, IO-Txuas, NMEA 2000
B PROFIBUS DP 3, 4, 5 250V / 4A Industrial fieldbus
C AC sensors (kwv yees) 3, 4, 5, 6 250V / 4A AC- lub hwj chim actuators
D Ceev Ethernet 4 250V / 4A 100 Mbps PROFINET, EtherNet/IP
X Gigabit / 10G Ethernet 8 60V / 0.5A 1/10 Gbps Ethernet, GigE Vision koob yees duab
K AC zog 4+PE (5) 630V / 16A AC motors, tsav, hloov 7/8 "
L DC zog (PROFINET) 4, 5 63V / 16A PROFINET fais fab tuag, DC faib
S AC fais fab (compact) 3+PE (4) 630V / 12A AC motors thiab tsav
T DC fais fab mov (compact) 4 63V / 12A DC fais fab tuag
Y Hybrid (cov ntaub ntawv + lub zog) 8 Ntau yam Ua ke Ethernet + fais fab hauv ib lub cable

Cov lus qhia rau cov neeg yuav khoom:

  • A -codeyog nyob deb ntawm qhov feem ntau coding. Yog tias tus neeg muag khoom sau "M12 connector" yam tsis tau qhia meej txog cov coding, nws yuav luag yog A-coded.
  • D-code thiab X-codeyog ob Ethernet codings. D-code tuav 100 Mbps (4-pin), X-code tuav 1 Gbps thiab 10 Gbps (8-pin). Lawv tsis yog interchangeable.
  • K-code thiab L-codeyog lub zog tshiab codings, tsim los xa cov tam sim no siab dua (16A) los ntawm kev cog lus M12 daim ntawv. Lawv maj mam hloov qhov loj dua 7/8-inch connectors hauv kev teeb tsa tshiab.
  • B-cov(PROFIBUS) thiabC-cov(AC legacy) tab tom poob rau hauv cov qauv tshiab tab sis tseem muaj nyob rau hauv brownfield installations.

03 · Pin Configurations and Electrical Ratings

M12 connectors muaj nyob rau hauv tus pin suav txij li 2 mus rau 17. Cov kev ntsuas hluav taws xob hloov pauv loj vim tus lej suav nce - ntau tus pins hauv tib lub 12 hli vaj tse txhais tau tias cov neeg sib cuag me dua thiab qis dua rau - tus pin tam sim no.

Pin suav Kev Coding Kev ntsuas hluav taws xob Tam sim no rau Pin Daim ntawv thov
3 pin A, B, C 250V 4A Yooj yim sensors (NPN / PNP), valve connectors
4 pin A, D, S, T 250V (A/D), 630V (S), 63V (T) 4A (A/D), 12A (S/T) Sensors nrog cov zis + av, Ceev Ethernet
5 - pin A, B, K, L 250V (A/B), 630V (K), 63V (L) 4A (A/B), 16A (K/L) Shielded sensors, NMEA 2000, AC / DC zog
8 pin A, X, Y 30–60V 0.5–2A Multi-sib nqus sensors, Gigabit Ethernet, hybrid
12 - pin A 30V 1.5A Multi-channel I/O, complex sensor arrays
17 pin A 30V 1A High-cov teeb liab ceev, CNC cuab yeej hloov pauv

Daim ntawv tseem ceeb ntawm tus pin compatibility:A 4-pin txiv neej A-coded connector yuav lub cev sib txuas nrog 5-pin poj niam A-coded connector - tus thib tsib tus pin tsuas yog tsis txuas. Qhov no tuaj yeem ua rau tsis meej pem. Nco ntsoov xyuas kom tseeb tias tus lej suav suav nrog qhov yuav tsum tau ua ntawm daim ntawv thov, tshwj xeeb tshaj yog thaum tus 5 tus pin nqa lub thaiv thaiv / hauv av ua haujlwm.

04 · IP Ratings: IP67 vs. IP68 vs. IP69K

M12 connectors ua tiav lawv qhov kev ntsuam xyuas IP tsuas yog thaum sib raug zoo thiab nruj. Ib qho kev sib txuas tsis sib haum lossis ib qho uas tsis muaj lub zog txaus yuav tsis ua raws li nws qib kev tiv thaiv.

Kev ntsuas IP Kev tiv thaiv plua plav Kev tiv thaiv dej Ib puag ncig ib puag ncig
IP67 Plua plav- nruj (6) immersion ib ntus mus txog 1m rau 30 min (7) General industrial, sab hauv / sab nraum zoov
IP68 Plua plav- nruj (6) Nruam immersion ntawm qhov tob (8) Cov khoom siv submersible, underground
IP69K Plua plav- nruj (6) Siab - dav hlau dej kub siab (80 degree, 80–100 bar) (9K) Khoom noj khoom haus & dej haus, tshuaj ntxuav

Kev taw qhia kev xaiv:

  • IP67yog txaus rau feem coob ntawm Hoobkas automation, sab nraum zoov sensor, thiab marine daim ntaub ntawv.
  • IP68yuav tsum tau siv rau cov khoom siv uas ua haujlwm hauv qab dej lossis hauv qhov chaw dej nyab - cov twj tso kua mis submersible, underground mining sensors, marine hull -mounted transducers.
  • IP69Kyog qhov yuav tsum tau ua rau kev ua zaub mov, khoom noj siv mis, brewery, thiab chaw muag tshuaj qhov chaw uas cov cuab yeej siv niaj hnub muaj siab -nqus chav ntxhua khaub ncaws. IP69K connectors feem ntau siv stainless hlau lub cev (316L) thiab FDA-cov ntaub ntawv sib khi ua raws.

Qhov ntsuas IP siv rau cov khub niam txiv. Unmated connectors yuav tsum tau tiv thaiv nrog sealing hau thaum lub sij hawm cia thiab installation. Premier Cable muab M12 connectors hla tag nrho peb qhov kev ntsuam xyuas IP, nrog stainless hlau IP69K variants muaj rau zaub mov- qib ntawv.

05 · M12 rau Industrial Ethernet: D-Code vs. X-Code

Kev lag luam Ethernet tau tsav ib qho kev nthuav dav loj tshaj plaws hauv M12 kev sib txuas siv tau ntau xyoo dhau los. Ob codings pab lub lag luam no - thiab xaiv qhov tsis ncaj ncees lawm yog ib qho yuam kev kim heev.

m12 d-code cable
Saib Ntxiv →

D-Code: 100 Mbps Ceev Ethernet

D-coded M12 connectors muaj 4 pins teem nyob rau hauv ob twisted khub, txhawb 100BASE-TX. Qhov no yog tus qauv txuas rau PROFINET, EtherNet / IP, thiab EtherCAT ntawm 100 Mbps.

  • Cov ntaub ntawv tus nqi:100 Mbps
  • Cable qeb:Cat 5e sib
  • Pin suav: 4
  • Hom kab:Shielded, 4-xaim, PUR tsho
m12 x-code
Saib Ntxiv →

X-Code: 1 Gbps / 10 Gbps Ethernet

X-coded M12 connectors muaj 8 pins teem nyob rau hauv plaub twisted khub, txhawb 1000BASE-T thiab 10GBASE-T Ethernet. Yuav tsum tau rau GigE Vision koob yees duab thiab siab -bandwidth backbone keyboards.

  • Cov ntaub ntawv tus nqi:1 Gbps / 10 Gbps
  • Cable qeb:Cat 6A sib npaug
  • Pin suav: 8
  • Hom kab:Shielded, 8-hlau, ib tus zuj zus shielded khub

Qhov twg xaiv?

Qhov xwm txheej D-Code X-Code
Cov ntaub ntawv tus nqi 100 Mbps 1/10 Gbps
Pin suav 4 8
Cable nqi qis Siab dua
Ntaus ntawv compatibility Wider (cov cuab yeej qub qub) Kev loj hlob (kev teeb tsa tshiab)
Siv li cas PLC sib txuas, sensors, txheem HMI Tshuab pom, siab -res koob yees duab, qaum

Yog tias koj lub network khiav ntawm 100 Mbps thiab tsis muaj kev npaj siab dua bandwidth, D-code yog qhov tseeb thiab tus nqi- xaiv tau zoo. Yog tias koj tab tom siv GigE Vision koob yees duab, npaj rau kev loj hlob bandwidth yav tom ntej, los yog tsim kev sib txuas hauv lub cev, X- code yuav tsum tau. Ob lub codings tsis hloov pauv tau - koj tsis tuaj yeem ntsaws X-code cable rau hauv D-code chaw nres nkoj.

06 · M12 vs. M8 vs. RJ45 vs . 7/8": Thaum twg siv Qhov twg

M12 tsis yog ib txwm yog txoj cai txuas. Kev nkag siab thaum twg yuav siv lwm txoj hauv kev txuag nqi thiab zam dhau - specification.

Parameter M8 M12 RJ 45 7/8"
Xov txoj kab uas hla 8mm ib 12 hli N/A (snap-in) 22.2mm (7/8-16 UNF)
Max pin suav 8 17 8 5
Max tam sim no 2A 16A (K / L code) N/A 16A
IP ntsuam xyuas (mated) IP67 IP67 / IP68 / IP69K IP20 (tus qauv) IP67
Kev vibration tsis kam Zoo Zoo heev pluag Zoo heev
Hom kev siv Me me sensors General kev lag luam Chaw ua haujlwm / txee network Hnyav fais fab, NMEA 2000 Mini
Kev them nyiaj yug Ethernet SPE (tshwj xeeb) D-code, X-code Txuj Tsis muaj

Kev txiav txim siab logic:

  • XaivM8thaum qhov chaw yog qhov tseem ceeb txwv thiab tam sim no qhov yuav tsum tau muaj qis dua 2A - qhov sib thooj me me sensors, compact valve manifolds, thiab qhov chaw -limited robotic end effectors.
  • XaivM12rau daim ntawv thov dav dav tshaj plaws - sensors, Ethernet, fais fab (K/L code), thiab ib puag ncig uas xav tau IP67 lossis siab dua.
  • XaivRJ 45tsuas yog sab hauv huab cua-tswj cov txee thiab cov vaj huam sib luag uas tsis tas yuav muaj kev tiv thaiv IP thiab kev co.
  • Xaiv7/8"rau kev siv hluav taws xob qub qub thiab NMEA 2000 Mini networks. Rau kev txhim kho fais fab tshiab, xav txog M12 K/L-code raws li lwm txoj kev sib cog lus.

07 · Cable Jacket Materials: PVC vs. PUR vs. High-Flex

Lub connector tau txais kev saib xyuas, tab sis cov khoom siv lub tsho cable feem ntau txiav txim siab seb lub rooj sib txoos puas muaj sia nyob nws qhov chaw ua haujlwm.

Khoom siv Tshuaj Res. Roj Res. Yooj yim Qhov kub thiab txias Nqi Zoo tshaj rau
PVC Nruab nrab pluag Txuj -5℃rau +80 degree Tsawg General sab hauv tsev, ib puag ncig qhuav
PUR Zoo Zoo heev Zoo -40℃rau +90 degree Nruab nrab Roj/coolant raug, sab nraum zoov, muaj
TPE Zoo Zoo Zoo heev -40℃rau +100 degree Nruab nrab Automotive, nruab nrab flex
Siab -Flex PUR Zoo Zoo heev Zoo heev -40℃rau +80 degree Siab Robotic caj npab, cable chains, nruam txav
Silicone Zoo heev Nruab nrab Zoo heev -60℃rau +200 degree Siab Siab - qhov kub thiab txias

Cov cai xaiv:

  • Default rauPURrau ib puag ncig kev lag luam. PVC yog siv tau tsuas yog rau qhuav, sab hauv tsev, nyob ruaj ruaj installation uas tsis muaj roj los yog coolant raug.
  • SivSiab -Flexrau txhua lub cable uas txav tau thaum lub sijhawm ua haujlwm - robotic caj npab, xaiv-thiab- tso tshuab, cable rub chains. Standard PUR yuav qaug zog thiab tawg tom qab ntau txhiab flex cycles; siab - flex cables raug ntsuas rau ntau lab.
  • Txheeb xyuas qhov tsawg kawg nkaus khoov vojvoog rau koj txoj kev siv cable. Tshaj qhov khoov vojvoog specification degrades shielding kev ncaj ncees thiab accelerates lub tsho tsis ua hauj lwm.
 

08 · Daim ntawv thov los ntawm Kev Lag Luam

Hoobkas Automation

A-coded M12 connectors dominate sensor-rau-PLC kev sib txuas: sib thooj sensors, photoelectric sensors, inductive sensors, IO-Txuas cov khoom siv, thiab valve manifold txuas. D-coded thiab X-coded connectors tuav Ethernet txheej ntawm PLCs, HMIs, thiab industrial switches.

Khoom noj khoom haus & dej haus / Pharmaceutical

Stainless hlau (316L) M12 connectors rated IP69K tiv taus txhua hnub siab -siab washdowns nrog caustic tu cov neeg ua hauj. FDA-cov ntaub ntawv sib khi ua raws (EPDM, FKM) yuav tsum tau ua. Cable tsho yuav tsum tiv thaiv cov tshuaj ntxuav tes - PUR lossis TPE, tsis txhob PVC.

Tshuab Vision

GigE Vision thiab 10GigE Vision koob yees duab siv X-coded M12 connectors rau siab-bandwidth duab hloov ntaub ntawv. Cable zoo yog qhov tseem ceeb - cov kab thaiv tsis zoo ua rau cov thav duab poob thiab cov duab kos duab. Shielded X-code cables nrog ib tus zuj zus shielded khub yog tus qauv.

Marine Electronics

NMEA 2000 networks siv 5-pin A-coded M12 connectors hauv Micro-C hom. Tib M12 xov thiab tus pin layout, yoog rau marine ib puag ncig yuav tsum tau.

Tsheb thauj mus los & Railway

M12 connectors sib ntsib EN 45545 cov qauv kev tiv thaiv hluav taws yog siv hauv kev tsheb ciav hlau dov khoom rau cov neeg caij tsheb cov ntaub ntawv xov xwm, cov koob yees duab saib xyuas, thiab cov tsheb ciav hlau tswj kev sib txuas. X-coded M12 muab Gigabit Ethernet bandwidth rau onboard video systems.

09 · Yuav Ua Li Cas Ua Ntej Yuav M12 Cables thiab Connectors

  1. Paub meej hom coding:A-code thiab D-code connectors tej zaum kuj zoo ib yam. Nco ntsoov qhia cov coding kom meej. "M12 4-pin" tsis meej meej - "M12 4-pin D-coded" tsis yog.
  2. Txheeb xyuas tus lej suav suav nrog daim ntawv thov:A 4-pin A-coded sensor cable yuav ua phooj ywg nrog 5-pin A-coded receptacle, tab sis tus pin 5 uas ploj lawm tej zaum yuav xav tau rau kev tiv thaiv hauv av. Xyuas cov ntaub ntawv ntaus ntawv.
  3. Qhia cov khoom siv lub tsho cable:PVC yog lub neej ntawd rau ntau yam vim nws pheej yig tshaj. Yog tias koj daim ntawv thov muaj roj, cov dej txias, kev txav mus tas li, lossis sab nraum zoov, qhia PUR lossis siab -flex PUR.
  4. Txheeb xyuas cov kev xav tau ntawm kev tiv thaiv:Unshielded yog ua tau rau cov sensors yooj yim hauv qis -EMI ib puag ncig. Rau Ethernet (D/X-code) lossis ze motors/VFDs, qhia kom meej cov ntaub thaiv npog cable.
  5. Paub meej IP ntsuas raws li kev sib raug zoo:Qhov ntsuas IP siv rau cov khub niam txiv hauv qab qhov tseeb torque (feem ntau 0.6 Nm). Nug seb lub kaus mom sealing puas suav nrog rau cov chaw nres nkoj uas tsis muaj chaw nres nkoj.
  6. Thov cov ntaub ntawv ua raws cai:Rau kev tswj hwm kev lag luam, thov UL, CE, RoHS / REACH, thiab cov ntaub ntawv tshaj tawm.
  7. Xyuas cov khoom siv conductor:Paub meej tias tinned tooj liab conductors. Copper-clad aluminium (CCA) tsis haum rau kev lag luam kev ntseeg siab.
 

Cov lus nug nquag

M12 sawv cev rau dab tsi?

Qhov "M" qhia cov xov metric, thiab "12" yog txoj kab uas hla hauv millimeters. M12 × 1.0 txhais tau tias 12mm txoj kab uas hla nrog 1.0mm suab. IEC 61076-2-101 Cov Lus Qhia Tshwj Xeeb

Kuv puas tuaj yeem siv A-coded cable rau Ethernet?

Tsis yog. A-coded connectors yog keyed txawv. Txawm hais tias raug yuam, qhov kev npaj tus pin sab hauv tsis txhawb Ethernet twisted -pair signaling. Siv D-code rau 100 Mbps lossis X-code rau Gigabit/10G.

Qhov txawv ntawm M12 thiab Micro-C (NMEA 2000) yog dab tsi?

Micro-C yog 5-pin A-coded M12 connector configured tshwj xeeb rau NMEA 2000 marine networking txuj. "Micro-C" tsuas yog lub npe hu ua marine convention rau hom M12 no.

M12 connectors puas tuaj yeem ua teb -wired?

Yog lawm. Field-wireable M12 connectors tso cai rau koj mus txuas lub connector rau ib tug raw cable rau ntawm qhov chaw. Txawm li cas los xij, ua ntej- molded (overmolded) cov rooj sib txoos muab qhov zoo dua ntev -lub sij hawm sealing kev cia siab rau kev txhim kho mus tas li.

Kuv yuav tsum nruj npaum li cas torque M12 connector?

Tus qauv nruj torque yog 0.6 Nm. Nyob rau hauv -tightening compromises IP foob; dhau -tightening puas rau cov xov los yog sealing O-ring. Siv lub torque wrench.

Puas yog M12 hloov 7/8-inch connectors?

Hauv kev siv fais fab, yog. M12 K-code (630V/16A AC) thiab L-code (63V/16A DC) xa cov kev ntsuas tam sim no sib piv hauv daim ntawv me me. Txawm li cas los xij, 7/8-nti tseem yog tus qauv rau kev lag luam qub zog thiab NMEA 2000 Mini networks.

Muaj pes tsawg mating cycles tuaj yeem M12 connector kov?

Feem ntau M12 connectors raug ntsuas rau 100 mus rau 500 mating cycles. Rau cov ntawv thov uas xav tau kev sib txuas / kev sib txuas tsis tu ncua, qhia cov khoom sib txuas rau qhov siab dua thiab xav txog kev thawb- rub ntau yam.

Kev xav zaum kawg

M12 connector tsev neeg tau nthuav dav dhau nws lub hauv paus los ua ib qho yooj yim sensor connector. Nrog rau coding hom spanning sensors, Ethernet, thiab hwj chim - thiab IP ntsuam xyuas los ntawm IP67 mus rau IP69K - nws npog ntau ntawm cov kev lag luam kev sib txuas toj roob hauv pes ntau dua li lwm hom kev txuas ib leeg.

Tus yuam sij rau kev kho kom raug yog kev nkag siab yam coding, tus lej suav, cov khoom siv cable, thiab IP ntsuas koj daim ntawv thov tiag tiag. Tshaj - qhia txog kev siv nyiaj pov tseg; nyob rau hauv - qhia txog ua rau thaj chaw ua tsis tiav. Daim ntawv teev npe xaiv hauv Tshooj 09 suav nrog cov ntsiab lus pov thawj tseem ceeb.

Premier Cablemanufactures M12 cables thiab connectors nyob rau hauv tag nrho cov loj coding hom - A, B, D, X, K, thiab L - nyob rau hauv pre- molded assemblies thiab vaj huam sib luag-mount configurations. IP67, IP68, thiab IP69K kev ntsuas muaj. Tag nrho cov lus qhia tshwj xeeb thiab cov ntaub ntawv ua raws li kev thov.

📩 Tiv tauj peb

Tau qhov twg los Industrial M12 Assemblies

Xav tau kev cai M12 cable ntev, cov ntaub ntawv tsho tshwj xeeb (PUR/High-Flex), lossis cov codings tshwj xeeb rau koj qhov project automation? Hu rau peb pab pawg engineering thiab kev muag khoom kom tau txais kev tsocai sai.

WhatsApp pawg: +86 18980808890
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