EIL580P-BT15.7DF.01024.B

4/D直流5/10 ~ 30 V直流10 ~ 30 V直流10 ~ 30 V
5/E报警报警报警
6/FGNDGNDGND
7/G通道A屏蔽通道A
8/H通道BN.C.通道B
9/I通道NN.C.通道N
10/J屏蔽屏蔽屏蔽
引脚分配接头计数器逆时针方向(CCW)接头顺时针方向(CW)
TPE电缆(EF)颜色输出RS 422
(RT)推挽(K)推挽互补(I)
棕色/绿色直流5V/10 ~ 30V直流10 ~ 30V直流10 ~ 30 V
蓝色传感Vcc传感Vcc
棕色通道A通道A通道A
绿色通道A通道A
灰色通道B通道B通道B
粉红色通道B通道B
红色通道N通道N通道N
黑色通道N通道N
白色/绿色GNDGNDGND



紫色（白色）
1 白色，带RS 422 + 传感(T)
2 取决于订购代码
3 与编码器外壳相连
电气连接
TPE电缆标准工业类型RI58-O/RI58-T
G1I0H.125C371 0.963669612 2.310.130.064 MHGE200MB5G120SN128C 0.112745934 kubler代理商 8.5858.322F.2113 8.5825.363A.10000.0050 0.183286523 EIL580-SY06.7FN.01000.A
RX70TI/1000EK.42KF-P0 0.101776485 05.2400.1131.1000 HOG10DN1024RLR20H7KLK 0.005490855 库伯勒编码器 05.2400.1232.1024 8.5000.8347.0600 0.350141521 BHG 16.24K1000-E2-5
8.5020.7911.1024 0.871148082 8.5800.1243.2048 G0355.A254172 0.758067428 kubler编码器 8.0010.2160.0000 kubler编码器8.5020.1841.1024 0.795172534 EIL580-TT08.5BN.01000.A
8.5020.2551.0050 0.338537022 8.5020.D95A.0100.0030 GI331.070C314 0.077741514 kubler编码器 05.2400.1231.0060 8.5000.6631.0360 0.71695473 CPS37K/KL=2115/20
RI76TD/4096AD.4A30TF 0.239358346 8.5823.1442.1000 HOG9DN2048I12H7KABRAD 0.409564719 库伯勒计数器 3.550.401.084.060.059 8.5000.A35W.0050 0.623763747 BRIH 40D3617K00512E29
HG18MD2048R85H6+2,5KLK 0.697811187 8.3651.2331.1311 GI333.M70R031000 0.072383638 库伯勒代理商 SR120-01-01-00-L4-1022-V100 kubler编码器8.5873.1322.G323 0.365584408 EIL580-TT12.5BN.02000.A
8.5020.7312.0500 0.119645151 8.A020.3A5E.2000 GA210.A12B005 0.055288094 库伯勒代理商 8.M3683.3424.G222 库伯勒计数器3.242.200.085 0.520683499 EIL580-T$12.5LH.01024.A/MT0006
8.5000.6551.1000 0.039342227 8.M5863.412B.G222.0020 HOG9GDN1024R/DN100R16H7 0.940570279 库伯勒计数器 3.551.401.075 8.5000.B121.1000 0.178884345 EIL580-TN12.7FN.05000.A
RI76TD/1000EH.4A30RF 0.614776541 2.100.111.066 EIL580P-TT14.7FF.01024.B 0.408283771 库伯勒计数器 3.551.401.351.060.423 D8.4D2.2000.0000.0000 0.95555427 EIL580-SC10.5BN.02000.A
EIL580-TT12.7FE.01024.A 0.017222139 8.5020.8314.1000 HOG71DN2048R12H7 0.087975202 kubler计数器 8.3720.5644.0200 kubler编码器2.300.210.066 0.588603119 EIL580-SC10.7$E.01024.A/3000_5.000
RI58-D/2048EF.47KB-F0 0.81326046 8.5020.2814.1024.EX GI330.L70C309 0.776961094 库伯勒编码器 8.5020.C312.1000 kubler计数器8.KIS40.1342.0360 0.235909049 EIL580P-SC10.5BQ.32768.B
RI58-H/3600ES.32IB 0.197052078 05.2400.214B.1024.0100 G0355.077C276 0.09431877 库伯勒代理商 SRS.1 库伯勒代理商8.5805.2241.10000 0.612604541 EIL580P-SY06.5LF.01024.B
RI58-F/5000AB.32RB 0.954956516 8.5000.8347.0250 MHGE100B5Z16HN4096C 0.085701727 kubler代理商 8.5020.3552.2500 kubler编码器8.H120.2B5K.2048 0.967927375 BFG 1G.24K360-E2-5
8.5863FS3.1A44.G322 0.66016221 D8.D120.6216.A113.0000 FOG9D500fUrGT7 0.227932258 kubler计数器 6.540.012.000 kubler编码器8.A02H.1132.2500 0.111938008 BDH 16.24K300-L0-A
8.LEX.BA.0080 0.391498938 8.5863.1223.G222 GXM7W.A10A101 0.547246707 库伯勒计数器 8.5883.5414.C323 8.5000.8158.5000 0.89204867 BMMH 30D1G05C12/13P45
8.5878.562F.2112 0.363825453 8.5853.4113.G722 POG9GDN5000R/DN1024I 0.090566107 库伯勒编码器 8.5823.3822.1000 8.F3683.2325.G322 0.147766253 EIL580-TT15.5BN.00360.A
MSIA68P2PA12-N64CV6077 0.291544561 8.5820.2821.0250 EEXOG9DN2048TTL 0.365824227 库伯勒计数器 8.3700.1334.0200 8.5000.B12B.1024.0020 0.460335056 EIL580-TTB2.5FN.05000.A
AC58/0012ES.41I3I 0.958640706 8.5853.1242.G323 BMMSK505N24U12/1600N 0.68430251 库伯勒编码器 8.A02H.523A.0360.0020 8.5020.1152.3600 0.364803405 BHK 16.05A100-B6-5
0.099340618 8.F5868.122A.2122 GI355.070C249 0.224783931 库伯勒编码器 8.5000.835B.2500.0100 8.5000.735A.5000.0030 0.827140116 CPS37K/KL=24-10/11
RI58-O/230EQ.72KX-S 0.173693476 8.A020.1291.1024 HOG161Erdungsband600MM 0.374794945 库伯勒编码器 8.5823.1831.0600 D8.6A1.0025.F323.G222 0.134467617 EIL580-TT15.5FE.00512.A
RI76TD/5000EH.4A42IF-F0 0.845327986 8.5000.6621.1024 GI330.L70C315 0.620042792 kubler计数器 SR085-25-06-06-11302-V100 库伯勒编码器8.5823.1721.0300 0.622561343 EIL580-SQ10.7BQ.05000.A
RI76TD/4096ED.4N25IF-K0 0.773347189 8.5883.3422.G321 EIL580-BT15.5RN.01024.A 0.615440977 库伯勒代理商 8.5000.D45W.0100 8.F5888.532L.2122 0.690106517 EIL580-BT12.5BH.02048.A
GIM500R-M136.BC6.A 0.106139985 8.5020.282A.0020.0050 ITD40A4Y31024HBID2SR12S15 0.445869304 kubler代理商 8.7000.115B.5000.0050 8.3720.2634.1024 0.780490947 EIL580-TP12.5BN.00100.A
AR62/U105FL.72A4B 0.05473848 8.KIS50.8322.0250 GI355.022C239 0.453069464 库伯勒编码器 8.5020.2352.1000 8.F5863.1426.C423 0.079428271 EIL580-TN15.5BH.00512.A
RI58-O/1024EQ.72KC 0.235660416 8.5000.8148.3600 PRC/032i=1:10.94 + ES90 + FSL3 0.032824404 库伯勒编码器 8.KIH40.2442.1000 8.5000.B157.1024 0.743487099 EIL580-TT14.5RN.02048.A
8.5853.1224.G122 0.010887706 8.5873.1414.G221 GI333.A70C350 0.194274755 库伯勒编码器 8.5824.3711.2048 8.5820.3622.1024 0.729704082 BFF 1G.24P720-L2-9
8.5000.B614.2500 0.798894401 8.5020.D551.1024 EIL580-SY06.5FE.02000.A 0.256454808 kubler代理商 SR085-30-04-04-11101-V100 8.KIS50.8328.1000 0.891550389 BHK 16.24K200-I2-5
ITD40A4Y241024HNIKR1,5S15 0.228816904 8.KIS40.1542.0600 ITD40B10Y4720HBID2SR12S11 0.32619186 库伯勒代理商 8.F5883.142B.G421.0100 8.5805.1242.25000 0.618474426 BDT 16.24K360-6-A
Harowe计数器 0.411723212 8.5020.C354.1024 ITD4A4Y14124/6HSXKR5S25 0.533429413 kubler计数器 SR085-25-03-03-11302-V173 8.IN81.2411.121 0.695386263 CPS37K/KL=24-16/20
AD35/0017AF.0RBCB 0.682043268 3.200.301.075 ME281.030A14A 0.750511612 库伯勒编码器
8.5863.2121.G423 0.890892822 2.320.230.066 GBA2W.A10A314 0.863660713 kubler代理商 8.F3683.2123.G762 8.3700.1332.0500 0.074771813 BDH 16.24K100-L0-B
EIL580-TT10.5RN.00100.A 0.86842589 8.5888.1432.3113 GI342.N707123000 0.703784257 kubler编码器 8.H120.2211.2048 库伯勒编码器D8.C60.2316.A113.0000 0.9786933 EIL580-TP14.5$Q.02048.A/3000_0.500_3102
8.5020.2821.1024 0.564736153 8.F5883.5624.G323 MSIA42P2PL12-C43CP4169 0.397834823 库伯勒计数器 8.5000.855A.4000.0050 库伯勒计数器8.3700.1336.1024 0.022909661 EIL580-SC10.5FE.04000.A
8.A22C.0018.1024 0.07930984 8.F3653.4311.C312 GT5.05L/402.511H7 0.59716451 库伯勒计数器 8.F3653.3521.G312 8.5020.2541.1000 0.825688755 EIL580-TT12.5FN.00360.A
8.M3658.23C4.2111 0.133830561 8.5000.A153.0360 GI355.070C308 0.890192802 kubler计数器 8.5020.D841.1024 8.5824.1411.2048 0.97729466 BDT 16.24K20-L6-5
RI58-D/100EH.32KB 0.172251966 8.A02H.3341.2048 ITD41A4Y222048HNIH2SK12S17 0.803463579 kubler计数器 8.5000.B144.4096 kubler编码器8.5020.1A2E.1024 0.32333387 EIL580-BN12.5RN.01024.A
GI355.072C313 0.851203361 8.3700.1238.0360 HOG10GDN1024I/DN1024ILR16CannonERD 0.786293657 库伯勒计数器 8.3720.1622.0500 8.5000.B128.0360 0.802859321 EIL580-SC10.5BN.02000.A
8.7000.1152.3600 0.950973678 8.F3683.2431.G222 BHK16.24K1024-E6-5 0.00491283 库伯勒计数器 8.KIH50.D822.1024 8.5020.212E.0360 0.087851037 BMMV 58S1N24C12/13C65
RI58-T/2500EK.72KE 0.086388777 D8.2B1.0300.0054.2000 BDH16.24K5000-L0-5 0.670967463 库伯勒编码器 8.3671.5644.2421 8.5020.855A.0020.0050 0.254975734 BMMH 30D1G05C12/13P45
6.573T.010.E02 0.459053356 8.5883.364B.C222.0050 GI355.070C346 0.083495468 库伯勒计数器 SR060E-IN-2-3-132-V100 8.A02H.5111.5000 0.310569091 EAM360-SWA.5L4G.13120.A
AC58/0012AF.47SBB 0.424069226 8.5000.7558.2500 EAM580-BNA.7YPT.14160.A 0.089177641 kubler编码器 8.5020.832A.2500.0050 8.5804.1115.1024 0.684249333 BHG 16.24K1250-B2-A
AC58/0019EK.42SGB 0.019301026 8.H120.2552.1000 GI331.170C348 0.174543153 库伯勒计数器 8.5000.8558.0050 库伯勒编码器8.5020.885A.0250.0030 0.512426992 BMMH 42S1N24B12/18P2N
AC36/0014AR.41SGB 0.330066691 8.5000.B518.0100 ME1130H7-60°C 0.988221549 kubler计数器 8.5000.534B.2500.0020 8.5026.1522.1000 0.118436551 EIL580P-BT14.5AF.01024.B
22-0012-1002 0.612279011 8.5000.D35W.0400 GI356.B223131 0.514136876 kubler代理商 8.5804.1215.5000 8.5883FS3.B444.G322 0.242542459 EIL580-SY06.7BH.00500.A
AC58/1212EK.42SGD 0.880929109 6.560.010.3A7 HMG11P29H102416H7KLK + FSL6 0.795536059 kubler计数器 8.5020.D852.1500 8.5000.8157.1024 0.826155678 BMMV 30S1N24C10/15C59
8.3700.1614.1024 0.410562717 8.5000.8557.0256 MHGE100B5G80RN4096C 0.059359436 kubler代理商 8.0000.5012.0001 库伯勒编码器8.5020.2351.0100 0.121946106 BDK 16.05A500-L5-5
RI58-H/10ES.32KB 0.043955977 8.F3663.332U.G322 HOG71DN1024TTL12H7Kabel + Stecker 0.185705832 kubler计数器 8.5853.2114.G221 8.5000.B114.1000 0.935158915 BHF 16.05A4096-B2-9
HMG11S13Z020H7 0.930681935 8.0000.1L01.1112 POG9GD1200I/D720I 0.592789205 库伯勒代理商 8.F5863.1226.G323 8.5863.122B.G223.0150 0.796634171 BHK 16.24K512-B6-5
1.267.300.016 0.786367084 8.RLI200.1211A.05120.1800.0050 EAM360R-BDA.7NC6.14180.A 0.12722896 库伯勒计数器 8.KIH40.5341.0500 8.3720.5632.0360 0.117273196 EIL580-SY06.5RH.00120.A
HG22MD1800CI100H6 0.509389356 6.544.A12.0A0 MHGE200B5G90T1024C 0.753088534 kubler计数器 8.5853.1322.G723 8.H120.2A5K.2048 0.339838107 BHG 1P.24K8192-E2-A
8.F3673.1123.G212 0.044102098 8.5000.8318.2000 GBAMS.020EPA6 0.619281839 kubler计数器 8.5020.2844.1000 kubler代理商SR085-30-04-05-31301-V100 0.640097001 BDK 01.24G360-5-5
8.M3668.4524.2122 0.240612228 8.A020.5A31.1024 EAM580-BAA.7BC6.1418P.A/1024 0.221208931 kubler计数器 SR085-24-02-03-21401-V100 8.3651.2634.4311 0.182612144 BMMS M755N24B12/1800N
BDK16.05A1024-5-9 0.137192062 8.5820.4512.4096 MR552.10A 0.327557057 库伯勒编码器 3.228.401.075.073 kubler编码器8.5020.831A.1024.0050 0.326545423 EIL580-TT10.5LQ.01000.A
8.5852.2135.G101 0.349496148 8.KIH40.2441.0600 ITD40B10Y1200HBID2SR12S11 0.773223644 kubler编码器 05.2400.1211.0200 8.5883.2524.G222 0.33537982 EIL580-TT12.5$N.01024.A/3000_5.000
8.5000.GB5W.2000 0.733452235 8.5000.B142.0500 ITD21A4Y361024HNIKR2S12 0.320231639 库伯勒计数器 8.BA5.20.010.0030 库伯勒编码器8.5020.C312.2500 0.130140841 EIL580-BT12.5RH.00512.A
HS35F01024HABZCMI10BE1005T5 0.538282064 8.5020.2342.1024 GE355.A704647 0.519437368 库伯勒代理商 8.5863FS2.1244.G323 kubler计数器8.5888.46C2.C212 0.089022736 BDK 16.24K500-5-5
RI58-O/256AS.41TA-K0 0.022394789 8.5020.8351.0060 GM401.E49 0.918801804 kubler计数器 8.KIS40.1341.0100 8.5821.1511.0512 0.903053868 EIL580-SY06.5BE.02048.A
8.5000.8122.0500 0.144055735 05.KABEL451.005 GXA2S.330A105 0.776344322 kubler计数器 6.923.A102.0A0 库伯勒编码器05.2420.1132.0300 0.024341418 EIL580-SC10.5FN.00720.A
RI76TD/1024EH.4N25KF-F0 0.532107461 8.KIS50.8121.0250 HOG8DN1024TTL15H7 0.01550774 kubler计数器 1.150.210.008 8.5020.2854.1024 0.913151882 EIL580-TT14.5LQ.01024.A
8.5020.2351.0030 0.794233484 1.310.110.033 TDP0.2LT-4B10 55 -50... + 60°CFV 0.98826
8.F5883.5524.G323 0.04498609 8.5020.864A.1000.0020 GI355.A22C348 0.280234254 kubler编码器 8.5000.8351.0500 kubler计数器8.5020.DA52.2000 0.290798592 EIL580P-BT12.5RF.01024.B
1.180.211.013 0.550456926 8.H120.1A64.1024 HOG9D600I17K 0.836963459 库伯勒代理商 8.F5883.1524.G322 8.3700.1612.0100 0.703945467 BMMH 58S1N24C12/18P2G
AD58/0017A1.0KSCB 0.833282079 2.120.810.066 GXMMW.D203EA2 0.237440161 库伯勒计数器 8.F3653.2523.G712 8.F3663.4313.B742 0.209881288 EIL580P-BT14.7BF.01024.B
BDT16.05A1000-6-A 0.052817849 8.0010.4E01.0000 POG10DN500I11X30/10X15 0.549764438 库伯勒代理商 8.5805.1241.10000 D8.12A1.2Z27.0100 0.398378465 EIL580-TT08.5$Q.01024.A/3000_5.000
GI330.070C334 0.635596173 8.KIH50.4912.1024 TDP0.2LT-4B10 55 + FSL6 + Vorr. 0.424043802 kubler计数器 SR085-20-02-03-11301-V100 8.3651.2532.2321 0.65774749 BDH 16.05A10000-L0-B
D8.4D1.0800.6322.G222 0.840954866 D8.D125.1000.A441.1000 ITD41A4Y702000TBXD1SR7S30 0.21502921 库伯勒编码器 3.167.211.351 kubler编码器8.5821.1331.0125 0.572248989 EIL580-SC10.5LH.01024.A
8.5020.2A4E.2500 0.055266009 8.0000.6100.0003 BHF16.24K1000-E2-F 0.321741466 kubler计数器 8.5020.2A41.2048 库伯勒代理商8.5020.481A.5000.0050 0.021148818 EIL580-BT10.5RH.00512.A
1.164.201.117.023 0.935749083 2.300.130.066 HOG10DN4096TTLLR16H7KLK 0.465638121 kubler编码器 8.5000.8337.1000 8.5821.1341.1024 0.474860465 EAM360R-SWA.7NC4.A36A1.A
RI58-D/480AF.47RB 0.074394904 8.5020.231A.0080.0020 GI356.B70C307 0.259256609 库伯勒计数器 8.5000.855B.0250.0030 库伯勒计数器8.F3653.3321.G712 0.375139075 EIL580P-TT15.5LF.01024.B
ITD01B141024TNIKR5S4 0.520974127 8.5000.665B.1024.0050 HOG9DN1250I16H7 0.680908185 库伯勒计数器 3.802.211 库伯勒代理商8.0000.B111.0050 0.805563091 EIL580-BT10.5FH.02000.A
AC58I1212EX.X2SLX:6138 0.758477881 8.F3658.3521.2112 ITD75A42500HNIKR1S85IP54 0.450970923 库伯勒代理商 SR120-02-01-00-L4-2012-V100 kubler代理商8.5020.3341.5000 0.420444791 EIL580-SC10.7LN.00800.A
8.5883FS3.A442.C322 0.892174597 8.A020.3532.1500 HOG163DN1024I40H7 0.810969926 库伯勒代理商 8.5805.1245.18000 8.7063FS2.1242.G221 0.655871554 BHL 16.05A1000-E6-5
8.5820.3812.2500 0.698093926 8.F3663.4113.C322 ITD2A4Y3610HNIKR2S10 0.540753463 库伯勒编码器 8.5000.8548.4096 8.5825.1811.36000 0.274980436 EIL580-TT12.7RE.04096.A
8.5020.235A.5000.0050 0.256581433 8.5888.6632.3112 ITD61H0001024VNIKR1S40IP54058 0.329370655 kubler计数器 8.5000.B148.0400 8.5863.1226.G723 0.364541083 EIL580P-SC10.5EF.01024.B
8.KIH40.5331.0500 0.865301685 8.0000.6Q00.0060 TDP13.06LT-6B5km/B14 + FS90-6 0.081957169 kubler编码器 8.5820.1632.4000 kubler计数器6.907.0101.3A0 0.689464862 EAM580R-BAC.7NV1.A3601.A
G1I0H.H25C371 0.115764201 8.5853.2122.G221 GI352.B70A113 0.529645771 kubler代理商 SR085-30-00-05-10001-V100 库伯勒计数器8.5834.562B.2048.0050 0.619465359 EIL580-TN12.5RE.00100.A
8.5883.3642.G221 0.522546292 3.220.401.075.044 ITD49A4Y30512HNIKR1E14IP67 0.929665363 kubler代理商 8.5020.3A41.4096 库伯勒代理商8.M3688.5424.2122 0.783994463 EIL580-SY06.7BE.02000.A
8.5000.B147.2000 0.489366005 8.5020.2952.0200 EAL580-BBC.4WPT.18130.A 0.748884497 库伯勒计数器 8.5834FS2.B324.1024 kubler计数器8.5020.D85F.0100.0050 0.205520832 BRIV 58K1624K01024C0N
POG10DN1200IB5n14k6x30 0.167054988 8.5868.4232.3113 MHAD501C5G030SG13NU010245 0.028793776 库伯勒计数器 8.KIH50.2A51.1024 8.5000.8324.0050 0.830564613 BRID 58S1624K01000P2A
RI76TD/10000AD.4N40RF-B5-I 0.593067933 8.5853.2184.G323 GXMMS.B208EA2 0.466250014 kubler代理商 8.0000.1401.A106 kubler编码器3.160.211.075 0.707484719 BHK 16.24K2048-B6-5/0200
RI59-O/500AQ.7ATA 0.695188143 8.5020.2847.4096 HOG10DN1024ILR12H7KLK 0.40162634 库伯勒计数器 8.5825.2411.36000 8.5873.EK3E.C721 0.473842413 EAM580R-BAF.7NC4.A3601.A
EIL580-SC10.5BN.01000.A 0.013548851 8.F3663.3315.G722 GI355.070C311 0.325574948 kubler代理商 8.F3683.2111.CA22 8.F5883.568F.G363.0050 0.535622992 BDT 16.24K360-6-B
RI58-O/2500EQ.42IK 0.818976463 8.5853.3224.G322 GBM2W.Z02 0.753455758 kubler计数器 8.5020.D82H.0100 kubler编码器D8.1106.2Z27.1000 0.070251989 BDK 16.24K2048-5-4
泰尔汉姆编码器 0.688367282 8.3651.2634.3311.EX BDT1P.24K10000-6-5 0.113770045 库伯勒计数器 SR060E-20-0-2-102-V121 8.5805.1162.8000 0.77124699 EIL580-TT12.7FN.02048.A
RI58-G/1024ED.39IB-D0 0.292801271 8.F3683.2421.B722 EIL580-SY06.5DE.01250.A 0.554736111 kubler计数器 8.F3673.2411.B712 库伯勒计数器05.ZAR1.210 0.868064179 BDT 16.24K10000-L6-B
8.5853.7212.CC21 0.581803816 8.7020.514B.1024.0100 BDK16.05A1440-5-5/0250 0.319130134 库伯勒代理商 8.5863.2226.G323 kubler代理商8.5803.1263.0100 0.756993257 BDK 16.24K250-5-5/0500
RI58-O/10EK.42KA 0.989537611 8.5020.8344.5000 TDPZ0.2LT-4B10 55 + FSL3 + OG9D30I 0.06229963 kubler编码器 3.138.251.085 8.5888.14C2.C212 0.683180411 BDK 16.24K2048-5-9
ITD27A4Y370032HBXK10SK4S14 0.508781184 8.3671.564B.1411.0050 BHF16.24K1024-L2-A 0.488531565 kubler代理商 6.924.0103.00C 8.5020.C57R.0500 0.538669083 BMMH 58S1N24P12/16QBD
8.BA5.20.010.0010 0.836649747 8.0000.6901.0008.0031 GI330.0224146 0.515794327 库伯勒编码器 8.5020.2142.2500 8.5000.8344.0400 0.609616059 EIL580P-TTU4.7FF.01024.B
AC58/0013EK.76SCB-D0 0.574716689 8.5000.467P.5000 G0355.A75C370 0.83506639 库伯勒计