TWDAMI2HT
TWDAMI2HT
TWDAMI2HT
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。
128476-001
019987-003
128476-001
019987-003 x 12V
6ES7 650-1AH62-5XX0 20
IC31203G01 1
FRN132G11S-4CX 1
cif50-dnm 150个
2094-BC04-M03-S 新面价：54552 1 仓库有一台
MS116-20,20A,0.96KV,15KA 2套
DV100L4/BMG/HF/C,25.10129719.02.0001.13.80,EXDI,2.2kW,4.95A,1410r/min, 0.83,50Hz 3
SGDH-10AE 1
FR-A540-15K 2
OCA5ST3748-0HG 10个
A06B-0078-B103 1
欧姆龙 D4SL-N4AFA 4个
欧姆龙 D4SL-NK2 4个
JUSP-NS115 1
SM1 C-AX-S 1
5X00062G01 1---------------
5X00063C01 1--------------
1C31166G02 1-------------
1C31204G03 2---------------
1768-M04SE/A 22面价：10871 1
3BSE005675R21 1
IFM EVC543 M12 4针 60根
ACS800-704-0910-7 1台
BT50T, 24DC 15个
E3T-CT14 5个
KXFE00C5A00数量1
WF16AK1D1 1
WF16AK1I1 1
WF16AK1A3 1
WF16AK1S2 1
WF16AF1U61 1
WF16AF1U24 1
WF16AF1U14 1
WF16AF1U34 1
WF16AK1ZWM10 1
WF16AK1S20 1
VH40TA750W 1
VT110TA750W 1
UHA1R-0020WP 1
FV152/FV154 VH40TA385M-P(株洲普天)或VH40TA385M-L(成都标定) 2
NDD1-80A40 1
RS306-3-C4Z-500A 690V 1
RT16-00 100A/690V 6
RT16-00 63A 6
RT16-00 160A/690V 6
EMRC1-2100 AC220V 50/60Hz+NF1-22 1
GMC-65/AC220V/50/60Hz1A1B 1
型号：ER4830/S 1
型号：EDU01L 1
KEB09F5B1B-Y00A 4
134D/134D8245数量1
NX102-1020
NX-ECC203
NX-SL3300
6AV6381-2BN07-5AV0-----------
NX-SID800
NX-SOD400
NX-PD1000
NX-PF0730
NX-ID5442
NX-OD5256
NA5-7W001B-V1
S8VK-T24024
CJ1W-BAT01 各1
KOSO-361LSC-65 1
EVS9325-EP 1---------------
FRN0007E2S-4C 4
451-60 2
XP251-1（JX300XP） 2
750-600 WAGO 10
MS-8AIVC-2-GT 3
750-375 WAGO 4
PPC-3317QGA10 1
TLPSM-T07E 1
VNS0.1900597427.428 1
E94AYAE 1
XP562-GPRPU (B) 2
PH300.075.43BRMF 2
BALLUFF 传感器 BES 516-347-SA2 3只
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APPLIED MATERIALS 0140-00981 HARN. ASSY., MAINFRAME/PUMP RACK EMO
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