PLC系统的正常供电电源均由电网供电。由于电网覆盖范围广,将受到所有空间电磁干扰而在线路上感应电压和电路。尤其是电网内部的变化,开关操作浪涌、大型电力设备起停、交直流转动装置引起的谐波、电网短路暂态冲击等,都通过输电线路到电源边。PLC电源通常采用隔离电源,但其机构及制造工艺因素使其隔离性并不理想。实际上,由于分布参数特别是分布电容的存在,**隔离是不可能的。 约“惠”吧 1756-IF16 ++++++++++++ 1756-IF16 约“惠”吧 【公司名称】:厦门慧星贸易有限公司 【联系人】:李享 (销售顾问) 【电话】:0592-7190353 7022997 【手机】: 【微信号】:huixingplc 【传真】:0592-7190350 【商务QQ】:3118846616 【Email】:3118846616@ 【地址】:厦门市同安区详桥二里50号 品质保证,诚信经营,用心服务,我们竭诚为您服务。 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Mitsubishi FX3U-20SSC-H Programmable Controller ! NEW ! 慧星库存编号:4-629-61 OMNIDRIVE SS371 *NEW* 3-3" AC MOTOR 1/20HP 230VAC 1550RPM (3A1) 慧星库存编号:619-52 SQUARE D SYMAX 8881 SC-4 *NIB* INPUT SIGNAL CONVERTER SER B(16C0) 慧星库存编号:5-732-21 Siemens 6ES5312-3AB12 Simatic S5 Interface Module 6ES5 312-3AB12 E:01 慧星库存编号:3-578-25 Omron S8VS-24024A Power Supply 240W 100-240VAC Input 24VDC 10A Output ! NEW ! 慧星库存编号:1-902-55 6ES7 235-0KD22-OXAO 慧星库存编号:1-304-26 BANNER GMMSDINT-1T2 MINI SCREEN 慧星库存编号:645-61 OMRON SYSMAC C200H-PID03 PID UNIT 4-20MA 2 PT (16B2) 慧星库存编号:2-210-72 OMRON E2E2-X5C1-M1 Inductive Proximity Sensor ! WOW 慧星库存编号:126-79 Siemens 6ES5-777-0BB00 Bus Terminator ! NEW ! 慧星库存编号:1-439-59 New: Pilz P1I-1NB 478064 Sicherheitsschaltgeraet P1 I-1NB 慧星库存编号:712-01 Panasonic BR-2/3AGCT4A Battery Lithium 6V ! WOW ! 慧星库存编号:190-21 Telemecanique RM4-TA31 Phase Failure Relay 300V 5A ! NEW ! 慧星库存编号:1-078-09 Hübner TDP 0-2S/7 analogue Tacho LongLife DC Tachometer Generator TDP0-2S/7 慧星库存编号:1-421-68 New Siemens Simatic S7 TD200C 6ES7272-1AA10-0YA1 / 6ES7 272-1AA10-0YA1 慧星库存编号:2-861-17 1911-1580 E4809-045-088-C CHARACTOR CIRCUIT BOARD CRP 9 OKUMA CNC A911- OSP 500 慧星库存编号:4-074-96 6ES7322-1BH01-0AA0 Siemens S7 output MODULE DO 16* DC24V/0-5A--tested 慧星库存编号:1-237-02 Balluff BES516-325-E5-C-S4 Proximity Switch 10-30VDC 慧星库存编号:443-89 NEW Hoerbiger HV07100 21273 VDB2ZP04E090A250B A1 慧星库存编号:494-77 PEPPERL+ FUCHS FE8V-TA6 *NEW* PROXIMITY SWITCH YAMATAKE 慧星库存编号:1-467-29 NEW Glems Technik GT 82/40-300 42W-0-35A Cross flow fan 慧星库存编号:567-95 SCHMERSAL AZ 16-12ZVRK-M20 AZ1612ZVRKM20 SAFETY INTERLOCK SWITCH *NEW* 慧星库存编号:684-73 Omron CS1W-BC083 Backplane 8 Slot WOW 慧星库存编号:862-46 Siemens 3RT1025-1AL20 Contactor 慧星库存编号:489-03 FANUC A20B-8100-0760/02A AUX 8 AXIS CONTROL BOARD FOR RJ3iB 慧星库存编号:7-623-38 Siemens Simatic 6ES5 988-3NA11 / 6ES988-3NA11 慧星库存编号:740-01 Siemens Simatic Teleperm 6DC2021-1AC / 6DC2 021-1AC 慧星库存编号:4-009-95 MURR ELECTRONIK MCS40-3x400-500/24 40A 24VDC POWER SUPPLY (1F) 慧星库存编号:1-819-44 GE FANUC A50L-0001-0212 FUJI 6MBI50FA-060 6 X 50A NEW 慧星库存编号:1-102-10 Square D 9998-SL2 Contact Kit 3-Pole ! NEW ! 慧星库存编号:317-05 SIEMENS 6ES7 131-7RF00-0AB0 INPUT CARD SIMATIC S7 (3F3) 慧星库存编号:2-119-42 ALLEN-BRADLEY 1794-OW8 *NEW SEALED* SER-A FLEX 8 POINT DIGITAL OUTPUT MODULE 慧星库存编号:1-623-80 Mitsubishi A2SH-CPU CPU Module Max 14K Step ! NEW ! 慧星库存编号:2-029-39 OMRON 3G2C7-MC22C PLC I/O MODULE 慧星库存编号:847-77 Omron E3X-A41 Optical Fiber Photoelectric Sensor Lot of 9 慧星库存编号:1-630-26 Automation Direct D4-08ND3S Input & D4-16ND2 Input 慧星库存编号:489-03 Siemens S5 SRAM_Card 6AV1903-0BA01 / 6AV1 903-0BA01 慧星库存编号:567-95 NEW Siemens 6AF6201-0AA / 6AF6 201-0AA 慧星库存编号:3-436-29 Siemens 6EC3050-0A / 6EC3 050-0A SIMATIC C3 慧星库存编号:4-009-95 Siemens 6EC3845-0A Simatic C3 6EC3 845-0A Simadyn 慧星库存编号:1-068-48 GE FANUC A06B-6105-H003 AMPLIFIER 6 MONTH WARRANTY 慧星库存编号:50-859-51 Rexroth VT3014 - S36 - R1 慧星库存编号:2-144-08 ALLEN BRADLEY 1746-OA16 SLC 500 *NIB* OUTPUT MODULE SER C (1H1) 慧星库存编号:1-284-69 GE FANUC IC693 MDL654 *NEW* INPUT TTL 32PT (1D6)P 慧星库存编号:1-167-31 Siemens 6DC2027-8BC Simadyn 6DC2 027-8BC / E88330-A9622-W447 慧星库存编号:1-785-57 SICK KT5W-2P1116 KT5W-2P1116 contrast scanner sensors *USED & TESTED* 慧星库存编号:1-280-45 Phoenix Contact DEK-OE-24DC/48DC/100 Optocoupler (Lot of 3) 慧星库存编号:163-03 NEW Allen Bradley 1745-PT1 PLC Hand Programmer 慧星库存编号:2-934-58 Keen Top E162747 AWM 2651 VW-1 105C 28AWG 300V CD Rom Drive Cable - 150" Long 慧星库存编号:423-88 Siemens 6ES7151-3BA23-0AB0- 6ES7 151-3BA23-0AB0- IM 151-3 PN High Feature