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3BSE042237R1
- 更新时间:2025-03-16
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小青 女士(经理)
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3BSE042237R1
3BSE042237R1
3BSE042237R1
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。
6AV6644-0AB01-2AX0 1--------------
6SE7023-0UD61数量1--------------------
6GK1571- 1AA00 1
6GK1571-1AA00-------------------------
6ES7534-7QE00-0AB0 1个
3AXD50000007297 1
2711-M3A18L1 1 3710 2012年
1761-L32BWA 1 5046 2019年
140MG-J8P-D20 2
RDCU-12C -------------------------
3ET8161-5UG04-5AF1数量1
3WT8161-5UG04-5AF1
1606-XLE240E 2514
1756-IV32 6077
6GK1561-1AA01 1个-------------------
090-0XX84-0FF5 3个
038-6GL84-1JA1要新版本 1个-----------------
031-SEF84-1JC1 2个---------------------
031-8EF84-1JC1---------------------
5094-AEN2TR 面价10580 10
215-1AG40-0XB0 3
231-5PF32-0XB0 3
231-4HF32-0XB0 5
232-4HD32-0XB0 3
223-1BL32-0XB0 5
124-0QC02-0AX1 3
6GK7242-5DX30-0XE0 3 ----------------------
ACS880-01-12A6-3+E202+L502,制动电阻JBR-03,面板安装组件DPMP-01 3
LFS1.21A2 1
6DE1052-1FB00-0BA6 1
VW3A1111 1
6EP1336-3BA00 2
6EP1437-3BA00 2
6EP3436-8SB00-0AY0 2
1794-TB3S/A 15 面价1822
1734-IB8S 面价:4056 1
1734-OB8S 面价:4715 1
6SC6114-5HA00 1
6SN1130-1AA11-0CA0 1-------------------
6SN1145-1BA00-0CA0 1-------------------
3HNA007022-001 1-----------------
JZSP-CSP01-05-E 2-----------------
SGM7G-55DFW-SI110/N 1
JEPMC-60022-E 1
JEPMC-600ZA5-E 1
1CV3252A/IPC30060CA234CA0 1
SSTPB3-CLX-RLL 1
SST-PB3-CLX-RLL--------------------
1756-OW16I 1面价 8048
1769-IQ32 1面价 4981
1769-OB32 1面价 6118
1734-AENT 1面价 4305
1769-IT6 1面价 11766
1734-IB8S 1面价 4056
1734-OB8S 1面价 4715
1756-PA72C 1面价 11702
1734-IB4 1面价 584
1756-L72S 1面价 104491---------------
1734-OW4 1面价 1413
1756-L7SP 1面价 13844----------------
1734-OB4E 1面价 834
1756-EN2T 1面价 33639--------------------
1734-IE2C 1面价 2570
1756-IF4FX0F2F 1面价 29770
1756-IF4FXOF2F -----------------------
1794-TB3G 1面价 1874
Phoenix Contact Power Supply CM90-PS-120AC/240C/2
Phoenix Contact MCR-R/I-4 MCRR I4 MCRRI4 4-20mA +24V
PHOENIX CONTACT PLC BSC 24D/21 *LOT OF 14*
50X PHOENIX CONTACT DIKD 1, 5 TERMINAL BLOCKS
PHOENIX CONTACT MCR-SWS/I
PHOENIX CONTACT CM62-PS-120AC/12DC/1 USPP CM62PS120AC12DC1
Phoenix Contact 5541988 GMT Fuse Module New!!!
PHOENIX CONTACT ASSE-HCB16-4X2SA NSFP ASSEHCB164X2SA
PHOENIX CONTACT IB-IL-AO1/U/SF USPP IBILAO1USF
PHOENIX CONTACT MCR-PS-120AC/24DC/100 NSFP MCRPS120AC24DC10
PHOENIX CONTACT SACB-8Q/4P-L-5.0PUR-A NSFP SACB8Q4PL50PURA
PHOENIX CONTACT 2866323 *NIB*
Phoenix Contact - UK4-T Disconnect and test disconnect terminal block -LOT of 25
PHOENIX CONTACT VP0027110 NSPP VP0027110
Phoenix Contact IB IL 24 DI 16-PAC/SN #2862958 - NEW
PHOENIX CONTACT CM90-PS-120AC/24DC/2 NSPP CM90PS120AC24DC2
PHOENIX CONTACT MINI-PS-12-24DC/24DC/1 USPP MINIPS1224DC24DC
PHOENIX CONTACT UEGM-OE/AV-24DC/24DC/100 USPP UEGMOEAV24DC24DC
STAR TREK FIRST CONTACT : Phoenix Warp Ship
Phoenix Contact 3188028 Module 3188-028 1 3188 028
Phoenix Contact #IBSL-BOX-24 DO 4/4 (2731319) (N) 4/5
Phoenix Contact MCR-PS-24DC
PHOENIX CONTACT DFLK-D37SUB/B NSFP DFLKD37SUBB
PHOENIX CONTACT QUINT-PS-120AC/24DC/2.5 USPP QUINTPS120AC24D2
PHOENIX CONTACT SFN-8TX NSPP SFN8TX
PHOENIX CONTACT VS-RJ45-CONF NSFP VSRJ45CONF
PHOENIX CONTACT 1684069 USPP 1684069
PHOENIX CONTACT MCR-C-I/U-4 NSFP MCRCIU4
Phoenix Contact 9267792, IBSTTB24CNT, Terminal Block
New Phoenix Contact IB IL 24 DI 16-PAC
lot of 10 PHOENIX CONTACT UDK4ILA 1 AMP
lot of 10... PHOENIX CONTACT UDK4ILA .5AMP
PHOENIX CONTACT TERMINAL BLOCK INTERFACE MODULE 2293695
PHOENIX CONTACT 2938811 *NEW*
Phoenix Contact UT-10-PE 304417 NEW Box of 50 UT10PE Terminal Block
PHOENIX CONTACT PLUG-IN CARD BLOCK 2264093 *NEW OUT OF BOX*
Phoenix Contact Interbus Terminal Block IBS-ST-24-BKM-T
Phoenix Contact QUINT-PS-230AC/24DC/5 , 1 pcs , Power Supply used
Phoenix Contact PSR-SCP-24UC/ESD/4X1/1X2/600 Safety
NIB PHOENIX CONTACT UK 4-TG TERMINAL BLOCK 052227 - 50 PCS
Phoenix Contact MCR-2CLP-I/I-00 ( MCR2CLPII00 ) Used
Phoenix Contact CM 125-PS-230AC/24DC/5 Power Supply
PHOENIX CONTACT CM62-PS-120AC/10DC/1 *NEW IN THE BOX*
FACTORY SEALED PHOENIX CONTACT PLC-RSC-24DC/1/ACT RELAY (QTY: 10) CH. NO: 513426
PHOENIX CONTACT TYPE UEGM
PHOENIX CONTACT QUINT PS-120 2939056 POWER SUPPLY
Phoenix Contact PLC-BSC-5DC/21 pluggable relay optp NEW
Phoenix Contact Quint Power 60-960 W DC Power Supply
LOT OF 11 PHOENIX CONTACT HC-B10-EBUS CONNECTOR
LOT OF 10 PHOENIX CONTACT HC-B10-TMQ/PG16G HEVYCON HOOD
PHOENIX CONTACT 2261083 *NEW*
PHOENIX CONTACT IBT 16/0-STD USED INTERBUS TERMINAL W/ 9276327_01 IBT160STD
Phoenix Contact DC Power Supply, Quint-PS-100-240AC/24DC/10, 24VDC, 10A
PHOENIX CONTACT POWER SUPPLY CM90-PS-120 AC/24DC/2 NO.2939027 NEW (2321)
Phoenix Contact Jumper 0202345 (LB 100-6 GY) Lot of 14
10 New PHOENIX CONTACT 2903231 ST-OV3-24VDC/240AC/3
Phoenix Contact Shielded Cable 2299136 FLK 50EZ-DR NIB
Phoenix Contact Varioface Front Adapter 2290973 (NIB)
PHOENIX CONTACT POWER SUPPLY CM 90-PS-120AC/2x15DC/1
PHOENIX CONTACT FL SWITCH 5TX 28 32 08 5
NIB PHOENIX CONTACT USK10 TERMINAL BLOCKS 0261014 - BOX OF 50
(NEW) Phoenix Contact 1881422 Connectors. 12 POS, Spring Cage, Plug (Set of 16)
10pcs Phoenix Contact UKH-50 TERMINAL BLOCK , new
PHOENIX CONTACT EMG 75-NZG/G24/2
Phoenix Contact IBIL24DO16 Digital Terminal Block (ELE2008)
Phoenix Contact FK-MC 0.5-2.5 PCB connector Spring Terminal 7 position qty 27
PHOENIX CONTACT UEGM-0E/AV-24DC/24DC/100 *NEW OUT OF BOX*
PHOENIX CONTACT FL SWITCH SF 8TX NEW ETHERNET SWITCH FLSWITCHSF8TX
PHOENIX CONTACT FL SWITCH SF 8TX NEW ETHERNET SWITCH FLSWITCHSF8TX
PHOENIX CONTACT 2970154 UMKS- E48M-VS NEW IN BOX !!! LOW PRICE !!!