PX303-015A5V
PX303-015A5V
PX303-015A5V
PX303-015A5V
6-4--
AB4A0018FBA++++++++++++++++++++++
AB4A0072ABA++++++++++++++++++++++
AB4A0088ABA++++++++++++++++++++++
20BC205A0ANNANC0++++++++++++++++++++
2711P-T15C22D9P++++++++++++++++++++
1C31129G04++++++++++++++++++++
060-3618-02++++++++++++++++++++
060-0239-08++++++++++++++++++++
060-0238-10++++++++++++++++++++
DRIVE CPASA1A2000000+++++++++++++++++++++++
NBRA-669C++++++++++++++++++++++++++
140CPU65260++++++++++++++++++++++++++
6FM1725-3BA00++++++++++++++++++++++++++
20BD096A3ANNANC0++++++++++++++++++++++++++
T9402++++++++++++++++++++++++++
PPU/2/GS++++++++++++++++++++++++++
1756-RM2++++++++++++++++++++++++++
20G11ND034AA0NNNNN++++++++++++++++++++++++
20G11ND027AA0NNNNN++++++++++++++++++++++++
1756-IRT8I++++++++++++++++++++++++++
140CPU53414A++++++++++++++++++++++++++
LMC058LF42++++++++++++++++++++++++++
140CPU65160++++++++++++++++++++++++++
140NOE77111++++++++++++++++++++++++++
C6920-0000++++++++++++++++++++++++++
6ES7922-0BB41-0XA0
155-6BA00-0CN0
3BSE076939R1 -PM866AK01 数量1 +++++++++++++++++
富士触摸屏V806CD
SCM7B34-1582 模块
SEW主机伺服器 MDX60A0150-503-4-00 ++++++++++++++
S8VK-G03024 1
6ES7953-8LG31-0AA0 1
SPRINT-PL265-265 KW 250 A ABB,2PCS
APB4-44C ABB,2PCS
BAM4-01 ABB,2PCS
RDCO-02 ABB,2PCS
RPMP-01 ABB,2PCS
TYPE:LM TECHNIC
SERIAL 94791 31
3VF1431-1DK11-0AA0,1个
MCS620R 200A数量1
VAMD07063PVT070A3B0 1
1756-L63 122264+++++++++++++++++++++++
2098-DSD-HV030-SE 22504
MPL-B4530K-MJ72AA 19720
1756-A13 8943.63
MPL-A320H-MJ74AA 19952
2090XXNPMO16S04 无面价
2090-CFBM4E2-CATR 3027.6
2090-CPWM4E2-14TR 2830
IC200MDL640H 没有H的面价1570 数量3
DO571 ABB 2个
6SY81010-AA33 10个
DVP16HM11N 1
NMS532H 1个
443-1GX30-0XE0 6
PLC ABB Module DX531 4个
PLC ABB Module DX551 4个
PLC ABB Module DI562 2个
PLC ABB Module DC551 8个
A1A10000432.02 单元驱动
A1A461D85.00 光纤通讯 各1
EPM9650 数量1
6SL3120-1TE13-0AA4 1
6SE6430-2AD34-5EA0 数量7
A5E42740268
CS1220-A-0-0-0-0/-000 1个
品牌: CONTEC ,名称: MICRO ACCESS POINT ,型号:FX-DS540-STB-M/FX-DS540-STB-M-U 10个
22B-D4P0N104 5266.4 1个
6SL3912-0BN43-8AA0 1
3RN1013-1BW10AC/DC24-240V 1
6SL3054-5CE00-1AA0 1
6SL3912-0BN43-8BA0 1
6SL3912-0BN43-8CA0 1
6ES7443-1EX20-0XE0 2
6SY8101-0AA26 1
6SL3984-6PX22-0AA0 1
6ES7223-1BH22-0XA8 3
直流电网绝缘监测仪 DEIF ADL-111Q96/24VDC 0-50KΩ 1个
PL9650-1-A-0-A-1-1-0-0-0
ES300C ABB 2
CI830 3BSE013252R1
ABB AGPS21C
ABB POW-01, 64605666A
16-8121-1111-L015-ZY 1个
800EM-LE7,40个
800E-2DDL3,40个
800EM-SR32,40个
800EM-MTS643LX11( mushroom),10个
800E-3X01,70个
800E-2DDL3,40个
ABB 3BSE013252R1 1
AF750-30-11/230VAC/700A,690V
3BHL001373P0001数量50
DFV160M4/TH/XV2A 11KW数量1
A26036F1-S001数量10
PLC ABB Module DO820 2个
PLC ABB Module DI821 4个
6SE6430-2UD41-3FB0 1
DBS36E-S3RK00360 3个
PFXC 141(IP65) ABB 1 个
软启动器;CAT150-F251NBDDSERB 1个
电源模块PWPS-128-6ES-0110EX 1个
847H-DN1A-RG02048 面价5834 2
6ES7331-1KF00-0AB0 10个
6ES7350-2AH00-0AE0 8个
PWS3260-DTN
ATV930D37N4 1
X202-IRT 6GK5202-2BB00-2BA3
ATS22C21Q 2
6GK5216-0BA00-2AA3 1
ATS48C21Q 1
NS800N 800A 3
CPU ABB SERIE 40 07CT41/1SBP260022R1001 3
M3-11-NO+NC 60
FL15 30L-10TP-2130-2 12
PMAE4022B 44
RMN5052A 45
PBD-23900248 西门子 4
K7M-DRT40U LG数量1
1 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。
主营产品:Schneider ,Foxboro,Ovatin,Allen-Bradley,Siemens等各类工控产品,
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