产地:yczdh0004 |
6ES59483UA11
6ES59483UA11
6ES59483UA11
2、 数字量信号连接应注意的问题
变频器的输入信号中包括对运行/ 停止、正转/ 反转、点动等运行状态进行操作的数字量输入信号(开关型指令信号),这些信号常来自PLC 的数字量输出信号。PLC 通常利用其内部的继电器接点(继电器输出型P L C )或具有开关特性的元器件(晶体管输出型PLC)与变频器相连,得到运行状态指令,如图1 和图2 所示。在进行数字量信号的连接时应注意:
(1)使用继电器输出型P L C 与变频器相连时,应注意接触不良常带来变频器误动作,因此在实际接线中要注意连接可靠。
(2)使用晶体管输出型P L C 与变频器相连时,应注意晶体管本身的电压的高低、电流的大小等限制条件在其范围内,保证系统的可靠性。
(3)设计变频器的输入信号电路时,应尽量避免采用继电器等感性负载,因继电器开闭产生的浪涌电流可能引起变频器的误动作。
(4)当P L C 输出的开关信号进入变频器时,有时会发生外部电源和变频器控制电源之间的串扰,应注意对P L C和变频器分开接地,避免两者使用共同的接地线。
3-8++++++++
6SE7031-7HG84-1JA1 4个 要未税的
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6SE6430-2UD42-0GA0 1
6SE6430-2UD37-5FA0 1
BMENOC0301C 2只
2094-AL09
A5E0015610 3台
AE500432081 2台
A5E00362539 2台
Nabtesco ML-800Ⅲ 1
3BSE002489R1 1台
6GK1901-1BB10-2AA0 8芯:20只,询价
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RTZK-RS485 4
RLY-214-1BD23-0XB8 1
WRNNK-431K 20
RTCM-50 4
RTWY-3D 8
WRNK-187 10
BSZ808A 5
HSBG-D6300ABCXL1MOPC 10
SWP-61GP5S22M3B3 5
HSBG-E7100BC4K2W1G03 3
6GK1161-3AA01 3 3
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1FT7086-1AF71-1CH1 1
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INDUCTOTHERM,147-3178W
INDUCTOTHERM,001322 P*IFB
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E32-LD11 1个
1794-IF8IH 1 面价13786
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6ES7317-2AJ10-0AB0
6ES7318-2AJ10-0AB0
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ABB空开(10A) S 262 B 10~ 400 18
ABB S 202 B 10~400 6
ABB空开(20A, S202M K20A DC) 99
1783-BMS10CGP 1 面价 24634
4983-DC240-20 5 面价 3932
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A03B-0819-C052 6
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BWDK-S 10
EVK2-403 2
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SIC02067.00 1
83.035.4101.1 1个
83.035.3000.1 1个
83.035.4100.1 1个
83.035.3200.1 1个
83.035.3300.1 1个
83.030.0000.1 1个
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品牌:HAGGLUNDS
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2 Fafnir 202KDDG Ball Bearing 2O2KDDG
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18.75 Heihenhain Scale LS 704 LS704 DRO ML 320mm
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16 KENNAMETAL SNMM-333 CARBIDE INSERTS KC850
1506008130 211460000672 Pulse Generator A860-0200-T011 A8600200T011
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15/20 KVA Fanuc TRANSFORMER Type AN A80L-0001-0277
15 Wilkerson Force Fill Adapter GRP-96-394 GRP96394
15 Thomas Betts 3/4 Chase Nipple Use w/ Conduit Coupling or Locknut
15 HP GE Direct Current Spindle Shunt Motor CD259AT
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13206P1KDD StockerYale 10 Flourescent Linear Light 115V 8 Watt
13.5 KVA/HP AC Drive 75010G22 75O1OG22 94010H 94010 H AS-IS
13.5 KVA/HP AC Drive 75010G22 75O1OG22 94010H 94010 H AS-IS
13.25 Heihenhain Scale LS 704 LS704 DRO ML 170mm
12.75 x 36.25 x 3 Matsuura Cast Iron Steel Layout Work Table
12 Walter Falck Cut Off Grinding Wheel 16087 Diamond
12 Troyke Diameter Index Rotary Table Roto Indexer
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12 3 Jaw Chuck S/N- F80552 550PSI 3000 RPM 3.25 Thru Hole
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10 S-P Mfg 3 Jaw Power Chuck CNC Lathe 10-CC-756
10 HP Reliance Electric AC Drive MD65 MD 65 6MB40010
10 Bay State Abrasives 87205 Cut Off Grinding Wheel
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1.25x1.25x5 Kennametal Tool Holder DCLNL-204D KC3
1.25x1.25 Valenite VDBS-20 Econ-o-Groove Tool Holder
1.25 x 1.5 x 5.5 Manchester Tool Holder 206-144
1.25 x 1.5 x 5.5 Manchester Tool Holder 206-144
1.25 x 1.25 x6 Valenite Tool Holder NVCTGR-20-4 CTGPR
1.25 x 1.25 x5 Kennametal Tool Holder NA8 DCLNL-204D
1.25 x 1.25 x 6 Kennametal Tool Holder KTGPL-204D
1.25 x 1.25 x 6 Kennametal Tool Holder CTCPL-204D
1.25 x 1.25 x 6 Kennametal Tool Holder CTCPL-204D
1.25 x 1.25 x 5.75 Valenite Tool Holder SD-TMR-20-66
1.25 x 1.25 x 5.75 Valenite Tool Holder SD-TMR-20-66
1.25 x 1.25 x 5.75 Valenite Tool Holder SD-TMR-20-4D
1.25 x 1.25 x 5.75 Valenite Tool Holder SD-TMR-20-4D
1.25 x 1.25 x 5.75 Valenite Tool Holder SD-TML-20-4D
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1.25 x 1.25 x 5 Valenite Tool Holder SD-TMR-20
1.25 x 1.25 x 5 Kennametal Tool Holder DTGNL-205C
1.25 x 1.25 x 5 Kennametal Tool Holder DTGNL-205C
1.25 x 1.25 x 5 Kennametal Tool Holder DDJNL-205C
1.25 x 1.25 x 5 Kennametal Tool Holder CTCPL-204D
1.25 x 1.25 x 5 Kennametal Tool Holder CTCPL-204D
1.25 Carboloy Carbide Insert Lathe Boring Bar BBA 5
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1.1 KVA Fanuc Pertronics Transformer A80L 0001 0176 02
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1 x 1 x 6 Valenite Tool Holder HPTGL-16-4D HPTGL164D
1 x 1 x 5.75 Valenite Tool Holder SD-TML-16-3D
1 Valenite CAT 50 Taper CAT50 End Mill Holder EMH
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1 MT to 4 MT Morse Taper Adapter 1MT to 4MT
1 MT to 4 MT Morse Taper Adapter 1MT to 4MT
1 MT to 4 MT Morse Taper Adapter 1MT to 4MT
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1 Command CAT 50 Taper CAT50 End Mill Holder EMH
1 1/4 Valenite CAT 50 Taper CAT50 End Mill Holder EMH
1 1/2 Valenite CAT 50 Taper CAT50 End Mill Holder EMH
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0 821 303 053 0821303053 Bosch/Rexroth Pneumatic Filter Assembly No Box
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Vorne Industries 77/256M-OS-00-4 Counter LED Display
Tex mate 5V DC Power Supply Texmate PS-510
SMC SI DeviceNet EX250-SDN1 Pneumatic Controller EX250SDN1
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