AN-X2-AB-DHRIO
AN-X2-AB-DHRIO
AN-X2-AB-DHRIO
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。
ZYDZ-5T-2 1
ZYGZ-5T-3 1
ZKTD-630/10-12.5 1
7820G033-A3 1
7820Z106-D32b 1
FF450R17ME4 1
DKH-24/220 1
PCKEY1-ALL 1
CA-5SNA0800N330100 1
CA-TPC7062TI 1
EDR-150-24 1
KA2072HA2 1
R2E280-AE52-17 1
R2E280-AE52-05220V 1
HDZ-70-30 1
HD22005-3 1
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FR-E720-22K 5
6SE6420-2UD21-1AA1 1
2097-V34PR6-LM 1 面价16346
2711P-T6C20D8 面价 24284 1个
THD22010-3
JYJC-32 各1
CP1H-XA40DR-A 5件
E5CC-RX2DSM-802 10件
E5CC-CX2ASM-804 10件
CS1W-EIP21 5件
NX-OD5256 5件
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V5-BA-4T75-75KW 1
HD9MS-A069-0050-500000T 1----------
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HIC2851 10
HiC2871 2
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BMXDDI1602 2
WATSG-32/3A 2
BMXCPS2010 8
SANYO C-SCN903H8K 1 俄罗斯
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韩国晓星 m640A 1
OP27AZ/883Q 9
VE-JW2-MX 22
PAF600F24-28 5
KFD2-STC4-Ex1 65个
MY11-50T数量22
V640-HAM11-ETN-V2
V640-HS61 2M
V640-A90
902428/50 /902438/50 配12米电缆 数量1
PPBE0784 1
PPBE0637 1
E84AHWMC1534V-V003 1
LOAD SHARER
Type: T4800-35
NP1PU-048E(含富士中文版程序编辑软件) 1
MP75A4R 5
UC10.241 15个
KARRUMAN ACE JLK-1022PE151S 2
COMPUMOTOR DR-1160-E-230 DR1160E230
CINCINNATI LAMB L-6127-260-07-039 L612726007039
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BOSCH 1070075543-101 1070075543101
BAILEY CONTROLS INICT-13A INICT13A
BAILEY CONTROLS INICT-03A INICT03A
ASEA BROWN BOVERI YT212001-BT YT212001BT
ASEA BROWN BOVERI DPH-15051 DPH15051
ASEA BROWN BOVERI DCS401-0900-2 DCS40109002
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ASEA BROWN BOVERI 57770163 57770163
ASEA BROWN BOVERI 57520001-BZ/5 57520001BZ5
ASEA BROWN BOVERI 57310001-MP 57310001MP
ASEA BROWN BOVERI 57310001-CX/2 57310001CX2
ASEA BROWN BOVERI 57275812 57275812
ASEA BROWN BOVERI 3BSE008358R1 3BSE008358R1
ASCO 833-355101160401 833355101160401
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ALLEN BRADLEY 6181P-17TP2KH 6181P17TP2KH
ALLEN BRADLEY 6180W-15KP2KH 6180W15KP2KH
ALLEN BRADLEY 6180-FLLFGLDTHEZ 6180FLLFGLDTHEZ
ALLEN BRADLEY 6180-FLLFGLDHHEZ 6180FLLFGLDHHEZ
ALLEN BRADLEY 6180-FLLEGLDDHCZ 6180FLLEGLDDHCZ
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ALLEN BRADLEY 1775-KA 1775KA
ALLEN BRADLEY 1771-QI 1771QI
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ALLEN BRADLEY 1756-L65 1756L65
ALLEN BRADLEY 1756-L55M14 1756L55M14
ALLEN BRADLEY 1756-L53 1756L53
ALLEN BRADLEY 150-B24NBDD-J1 150B24NBDDJ1
ALLEN BRADLEY 150-A97NB-NA 150A97NBNA
ALLEN BRADLEY 150-A180NBD-B 150A180NBDB
ALLEN BRADLEY 1394-SJT22-C-RL 1394SJT22CRL
ALLEN BRADLEY 1394C-SJT10-L-RL 1394CSJT10LRL
ALLEN BRADLEY 1391B-AA45-A06 1391BAA45A06
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ALLEN BRADLEY 1336S-C060-AAEN 1336SC060AAEN
ALLEN BRADLEY 1336S-BRF100-AA-EN-HA1-L5 1336SBRF100AAEN8
ALLEN BRADLEY 1336-QOUT-SP17A 1336QOUTSP17A
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ACCU SORT AV4000 AV4000