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PLC的供电电源,除了引进设备时同时引进PLC应根据产品说明书要求设计和选用外,一般PLC的供电电源应设计选用220VAC电源,与国内电网电压一致。重要的应用场合,应采用不间断电源或稳压电源供电。
如果PLC本身带有可使用电源时,应核对提供的电流是否满足应用要求,否则应设计外接供电电源。为防止外部高压电源因误操作而引入PLC,对输入和输出信号的隔离是必要的,有时也可采用简单的二极管或熔丝管隔离。
(四)存储器的选择
由于计算机集成芯片技术的发展,存储器的价格已下降,因此,为保证应用项目的正常投运,一般要求PLC的存储器容量,按256个I/O点至少选8K存储器选择。需要复杂控制功能时,应选择容量更大,档次更高的存储器。
(五)冗余功能的选择
KDV1.2-100-220/300-115 INDRAMAT
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MDD093C-N-020-N2M-110GA1 INDRAMAT
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MDD093C-N-030-N2L-110GR0 INDRAMAT
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MDD093C-N-030-N2L-110GL0 INDRAMAT
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MDD093C-N-030-N2L-110GB0 INDRAMAT
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MDD093C-N-020-N2M-110GL1 INDRAMAT
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MDD093C-N-020-N2M-110GR1 INDRAMAT
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MDD093C-N-020-N2M-110GB1 INDRAMAT
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MDD093C-N-060-N2L-110GB0 INDRAMAT
One-day shipping available
MDD093C-N-060-N2L-110GL0 INDRAMAT
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MDD093C-N-030-N2L-110GA0 INDRAMAT SERVO*1YR.WRTY*
One-day shipping available
Indramat TDM1.2-050-300-W1
Indramat Rexroth DBS03.1-FW FWC-3DBS3.1-CI1-02VRS-NN
One-day shipping available
NEW Indramat Magnet Motor MAC112A-0-VD-4-C Rexroth AMAT
INDRAMAT DDS3.1-W/030-D USPP DDS31W030D
INDRAMAT TDM1.4-050-300-W1-000 SERVO CONTROLLER *NIB*
Indramat Trans01.7/1/OP 02
INDRAMAT AC SERVO LINE FORMER NAM 1.3-15
INDRAMAT POWER SUPPLY TVD1.2-15-03
INDRAMAT DDS03.1W/030-DS01-02FW USPP DDS031W030DS0102
INDRAMAT MAC71B-0-FS-3-C/095-A-0/S018 USPP MAC71B0FS3C0
Indramat MDD112D-N-030-N2M-130PB2 Magnet Servo Motor
INDRAMAT AC SERVO POWER SUPPLY TVM 2.1-50W1-115V
INDRAMAT AC SERVO POWER SUPPLY TVM1.2-50W0-115V
INDRAMAT CLM CLM 01.3-X-0-4-0
INDRAMAT MAGNET MOTOR MAC112D-0-ED-3-C/130-A-2/S018
INDRAMAT POWER SUPPLY TVM1.2-050-W1-115
INDRAMAT POWER SUPPLY TVM2.1-50-220/300-W1-220-/300
MDD093B-N-040-N2L-110PB0 INDRAMAT
One-day shipping available
INDRAMAT TDM1.2-100-300-W1 USPP TDM12100300W1
INDRAMAT TDM1.2-100-300-W1/0 USPP TDM12100300W10
INDRAMAT TDM1.2-100-300-W1/000 USPP TDM12100300W1000
INDRAMAT TDM1.2-100-300-W1/115 USPP TDM12100300W1115
INDRAMAT TDM1.2-100-300-W1/2 USPP TDM12100300W12
INDRAMAT TDM1.2-100-300-W1/220 USPP TDM12100300W1220
Indramat HDS04.1-W200N-HS12-01-FW
INDRAMAT HDS03.2-W100N-HS32-01-FW USPP HDS032W100NHS320
INDRAMAT MDD112B-N-040-N2L-130PA0 NSFP MDD112BN040N2L13
MDD-112C-N-030-N2L-130GA3 INDRAMAT
TDM1.2-30-300-W1-W0 INDRAMAT CONTROLLER **1YR WRTY**
HDD02.2-W040N-HD12-01-FW INDRAMAT *1YR.WRTY*
One-day shipping available
MAC90C-0-KD-1-B/110-A-0/J1250/S01 INDRAMAT
One-day shipping available
REXROTH INDRAMAT MAC090B-0-JD-4-C/110-A-2/WI524LV/S018
INDRAMAT DRIVE DKC01.3-100-7-FW
INDRAMAT MDD093B-N-020-N2L-110PA0 PERMANET MAGNET MOTOR