BES212/N模块
BES212/N模块
BES212/N模块
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PLC)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PLC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PLC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PLC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PLC和变频器分开接地,避免两者使用共同的接地线。
3BHE033067R0101 3个
3BHB027092R0001 6个
2UBA001554R0020 4个
3BHE009017R0102 3个
2UBA001557R0016 3个
2UBA001551R0010 3个
2UBA001550R0020 3个
2UBA001550R0015 5个
3BHB032608R0001 10个
2UBA002577R0001 6个
3BHE028761R0101 3个
3BHB027033R0001 3个
NMBA-01 3个
KP9800-65T 3个
3BHE028767R0201 3个
2198-S086-ERS3 面价36689 3台
交流接触器DILEM-10-G询价2个
2090-CSBM1DF-14AA50 面价17527
2090-CFBM7DF -CEAF60 面价13254
2090-CPBM7DF-14AF60 面价23466
R407026539 1
CDM 1/63/36-M 0490623418 REXROTH - 4套
CDM 1/50/28-M 0490623205 REXROTH- 4 套
CDM.080/056M A20 REXROTH- 4套
A06B-6202-H015
A06B-6222-H015
A06B-6240-H331
A06B-6240-H104
6SG7085-0EB60-0 2块
6SG7076-0EB60-0 2块
6SG7065-0EB60-0 1块
1443-CBL-MS2IBC-16S 5m/根 36个 面价1182
6AG1123-2GB03-2AX0 1
3SB3646-0AA21 10
6FC5203-0AF00-0AA1 2
6AV6642-0DC01-1AX1 1
1763-L16BBBB 11-12年面价5140 1个
DELL POWEREDGE-7250 POWEREDGE7250
DATA I/O 901-0058-007 9010058007
DATA I/O 901-0058-006 9010058006
CUTLER HAMMER SV9250AN-5M0A00 SV9250AN5M0A00
CUTLER HAMMER KDC3225V KDC3225V
CUTLER HAMMER 542VM 542VM
CLECO TME-111-15-U TME11115U
BOSCH 1070071339 1070071339
BERTHOLD 81072-2/LB352-2 810722LB3522
BARBER COLMAN GCM-84221-1-0-1 GCM84221101
BARBER COLMAN GCM-84221-1 GCM842211
AUTOMATED LOGIC M4106P M4106P
AUTOMATED LOGIC M4106 M4106
AUTOMATED LOGIC LGRME LGRME
ASEA BROWN BOVERI MEM86-192K-64KRAM MEM86192K64KRAM
ASEA BROWN BOVERI 57288531 57288531
ASEA BROWN BOVERI 3HAB-2136-1/2 3HAB213612
APC SYCF40KF SYCF40KF
AMERITHERM 003-0031-1 00300311
ALLEN BRADLEY 803-N899-739/1 803N8997391
ALLEN BRADLEY 6180-FLIEHLDZHZZ 6180FLIEHLDZHZZ
ALLEN BRADLEY 6170-EDCD1A1EBZZA 6170EDCD1A1EBZZA
ALLEN BRADLEY 6170-CDCC1A1EAZZ 6170CDCC1A1EAZZ
ALLEN BRADLEY 6170-CBC-B1A1EAZZA 6170CBCB1A1EAZZA
ALLEN BRADLEY 2711-T9C8 2711T9C8
ALLEN BRADLEY 2711E-K14C6 2711EK14C6
ALLEN BRADLEY 2711-B5A20 2711B5A20
ALLEN BRADLEY 2711-B5A16 2711B5A16
ALLEN BRADLEY 1785-L40E/F 1785L40EF
ALLEN BRADLEY 1785-L40E/E 1785L40EE
ALLEN BRADLEY 1784-U2DHP 1784U2DHP
ALLEN BRADLEY 1784-T47 1784T47
ALLEN BRADLEY 1775-MED 1775MED
ALLEN BRADLEY 1775-MEA 1775MEA
ALLEN BRADLEY 1771-DMC1 1771DMC1
ALLEN BRADLEY 1756-RM2 1756RM2
ALLEN BRADLEY 1756-L75 1756L75
ALLEN BRADLEY 1756-L1M1 1756L1M1
ALLEN BRADLEY 150-A97NC-ND 150A97NCND
ALLEN BRADLEY 1398-PDM-150B 1398PDM150B
ALLEN BRADLEY 1398-DDM-020 1398DDM020
ALLEN BRADLEY 1395-B65-D1-PZ 1395B65D1PZ
ALLEN BRADLEY 1394C-SJT10-T-RL 1394CSJT10TRL
ALLEN BRADLEY 1391B-ESAA45 1391BESAA45
ALLEN BRADLEY 1387-B-BOA110-E80-A2 1387BBOA110E80A2
ALLEN BRADLEY 1387-B-B0A090-A2-B-F25 1387BB0A090A2BF2
ALLEN BRADLEY 1336S-BX040-AA-EN4-GM1-L5 1336SBX040AAEN4G
ALLEN BRADLEY 1336F-C200-ANEN 1336FC200ANEN
ALLEN BRADLEY 1336F-B200-AN-EN-L6 1336FB200ANENL6
ALLEN BRADLEY 1336F-B125-AE-EN-HCS2-L8E 1336FB125AEENHCS
ALLEN BRADLEY 1336-B100-EOH-FA2-L3-S1 1336B100EOHFA2L3
ALLEN BRADLEY 1334-RJB 1334RJB
ALLEN BRADLEY 1326AB-C4B21 1326ABC4B21
ALLEN BRADLEY 1326AB-B420H-S2K4L 1326ABB420HS2K4L
ADEPT TECH 10350-01060 1035001060
ADEPT TECH 10330-11351 1033011351
ADEPT TECH 10000-310 10000310