IC693MDL730
IC693MDL730
从定时和计数控制上看,电器控制系统采用时间继电器的延时动作进行时间控制,时间继电器的延时时间易受环境温度和温度变化的影响,定时精度不高。而PLC采用半导体集成电路作定时器,时钟脉冲由晶体振荡器产生,精度高,定时范围宽,用户可根据需要在程序中设定定时值,修改方便,不受环境的影响,且PLC具有计数功能,而电器控制系统一般不具备计数功能。
4) SQUARE D QOB215 CIRCUIT BREAKER 15 AMP 240VAC 2 POLE BOLT IN LOT OF 4
4) 3 TRI CLAMP TEFLON ENVELOPE GASKET WITH VITON FILTER LOT OF 4
4) 3 TRI CLAMP TEFLON ENVELOPE GASKET WITH VITON FILTER LOT OF 4
4) ALLEN BRADLEY 1492-SP1D160 CIRCUIT BREAKER 16 AMP 1 POLE LOT OF 4
4) ALLEN BRADLEY 700-HK32A24 120/240V PILOT RELAYS W/ BASES 700-HN122 LOT OF 4
4) ALTECH ABL SURSUM V-EA51 G16A CIRCUIT BREAKER 480Y/277 VAC 16 AMP 1P LOT OF 4
4) CUTLER HAMMER WMS1 CIRCUIT BREAKER 5 AMP 8 AMP 15 AMP 240 VAC LOT OF 4
4) CUTLER HAMMER WMS1 CIRCUIT BREAKER 5 AMP 8 AMP 15 AMP 240 VAC LOT OF 4
4) FURNAS 52PA4D2 OILTIGHT 24 VAC/DC RED LED PILOT LIGHT LOT OF 4
4) IDEC RU4S-A110 POWER RELAY 6 AMP 250 VAC 30 VDC 110/120V WITH BASE ES 15/4B
4) LITTELFUSE LRU2621 FUSE REDUCER 200/A TO FIT 100/A CLIP LOT OF 4 SETS
4) MOELLER X POLE FAZ-C4/1 CIRCUIT BREAKER 4 AMP 1 POLE 277/480 VAC 5kA LOT OF 4
4) PHOENIX CONTACT UK6,3-HESI F TERMINAL BLOCK 10 AMP 600 VAC LOT OF 4
4) SIEMENS 5SX21 5SX51 CIRCUIT BREAKER 5SX51 C10 5SX51 C8 5SX21 D2 B16 LOT OF 4
4) SIEMENS 5SX21 5SX51 CIRCUIT BREAKER 5SX51 C10 5SX51 C8 5SX21 D2 B16 LOT OF 4
4) SIEMENS 5SX51 C2 5SX51 C6 5SX51 C8 CIRCUIT BREAKER LOT OF 4 1P 220V 230/400V
4) SIEMENS ITE Q240 Q260 QP2-B020 CIRCUIT BREAKER 2 POLE 120/240 VAC LOT OF 4
4) SPRECHER + SCHUH KT3-25-DB 54-5 KT3-25-DB 54-4 KT3-25-DB 54-2 BUSS BAR LOT 4
40 AMP ENCLOSED MANUAL MOTOR CONTROLLER 600 VAC 15 HP 3 PHASE
40 AMP ENCLOSED MANUAL MOTOR CONTROLLER 600 VAC 15 HP 3 PHASE
40) DUO TANG COVERS BORDER & PANEL COVER RED REPORT COVER 51258-58 LOT 40
40) DUO TANG COVERS BORDER & PANEL COVER RED REPORT COVER 51258-58 LOT 40
45) DUO TANG COVERS BORDER & PANEL COVER ORANGE REPORT COVER 51258-80 LOT 45
470A013 / 22500-800-01 CIRCUIT BOARD 50VDC 1000 RPM 470A015 REV 2
5 ALLEN BRADLEY 60-2513 360 DEGREES ROTATION MOUNTING ASSY SERIES A LOT OF 5
5) 5/16 X 1 DOWEL PIN ROD LOT OF 5 TOTAL 25 PINS 316 Stainless DOWEL PIN
5) 5/16 X 1 DOWEL PIN ROD LOT OF 5 TOTAL 25 PINS 316 Stainless DOWEL PIN
5) 5/16 X 1 DOWEL PIN ROD LOT OF 5 TOTAL 25 PINS 316 Stainless DOWEL PIN
5) ALLEN BRADLEY 800T-N26G GREEN PILOT LIGHT CAP LOT OF 5
5) ALLEN BRADLEY 800T-N42 ILLUMINATED AMBER PUSH BUTTON CAP LOT OF 5
5) ALLEN BRADLEY 800T-N44 WHITE PUSH BUTTON CAPS LOT OF 5
5) BRYANT 71520-FR BLACK FLUSH RECEPTACLE 3 POLE 4 WIRE 20 A 250V LOT OF 5
5) BUSSMANN TRON KAA100 RECTIFIER FUSE 100 AMP 130V KAA 100 LOT OF 5
5) CINCH-JONES TERMINAL STRIPS 10 POSITION LOT OF 5
5) CINCH-JONES TERMINAL STRIPS 12 POSITION LOT OF 5
5) CINCH-JONES TERMINAL STRIPS 12 POSITION LOT OF 6
5) Clippard MPA-7 Air Pilot Actuator LOT OF 5
5) CUTLER HAMMER 10250TC1N RED LENS 28-3174 LOT OF 5
5) CUTLER HAMMER QC1010 QUICKLAG BREAKER 10 AMP 1 POLE 120/240 VAC LOT OF 5
5) CUTLER HAMMER QC1015 QUICKLAG BREAKER 15 AMP 1 POLE 120/240 VAC LOT OF 5
5) HUBBELL 022291019 KELLEMS CABLE SUPPORT GRIP RANGE 370 -.480 LOT OF 5
5) KULKA 602 10 POSITION TERMINAL BLOCK LOT OF 5
5) SLOAN V-500-A V-600-A VACUUM BREAKER ASSEMBLY LOT OF 5 IN BAGS
5) SQUARE D QOB230 CIRCUIT BREAKER 30 AMP 240VAC 2 POLE BOLT IN LOT OF 5
5) SQUARE D QOU CIRCUIT BREAKER 15, 20 & 30 AMP QOU115 QOU120 QOU130 LOT 5
5) SWAGELOK SS-QC8-D-8HC QUICK CONNECT 3/8 BARB HOSE CONNECTOR LOT OF 5
5) WESTINGHOUSE PUSHBUTTON LENS OTP3 GREEN OTL5 BLUE OT1 CLEAR OTP4 AMBER
5) WESTINGHOUSE PUSHBUTTON LENS OTP3 GREEN OTL5 BLUE OT1 CLEAR OTP4 AMBER
5) ALLEN BRADLEY 77135-166-55 PANELVIEW 2711 SERIES MOUNTING CLIP LOT OF 5
5) ALLEN-BRADLEY PLC-5 SWING ARMS (1) 1771-WE (4) 1771-WI LOT OF 5
5) ALLEN-BRADLEY SWING ARMS 1771-WF LOT OF 5
5) CROUSE HINDS RPE 417-115 WIRE MESH STRAIN RELIEF CORD GRIP .375 - .500 (5)
5) DMC RB2-BE-102 CONTACT BLOCK WITH PUSHBUTTON RED STOP 240V 10 AMP LOT OF 5
5) DWYER MMA-33 MINI MASTER FLOWMETER 5-60 GPH H20 WATER MMA SERIES LOT OF 5
5) MOELLER X POLE FAZ-C2/1 CIRCUIT BREAKER 2 AMP 1 POLE 277/480 VAC 5kA LOT OF 5
5) MOELLER X POLE FAZ-C2/1 CIRCUIT BREAKER 2 AMP 1 POLE 277/480 VAC 5kA LOT OF 5
5) PHOENIX CONTACT TYPE DEK 1.5 DEK-REL-24/1/1 24V LOT OF 5
5) PHOENIX CONTACT TYPE DEK 1.5 DEK-REL-24/1/1 24V LOT OF 5
5) SIEMENS 5SX21 D4 5SX21 D6 5SX21 C6 5SX21 C10 CIRCUIT BREAKER LOT OF 5 1 POLE
5) SIEMENS 5SX21 D4 5SX21 D6 5SX21 C6 5SX21 C10 CIRCUIT BREAKER LOT OF 5 1 POLE
5) SONALERT SC628F INTERVOX BRP4535S-24-C FLOYD BELL MC-09-201-Q ALARM SIGNAL
5) SQUARE D 2) 9080GCB10 1) GCB20 1) GCB70 1) GCB100 Circuit Protector LOT OF 5
5) SQUARE D 2) 9080GCB10 1) GCB20 1) GCB70 1) GCB100 Circuit Protector LOT OF 5
5) SQUARE D 9080GCB40 Circuit Protector 4.0 Amp 250 VAC LOT OF 5
5) SQUARE D QO230 CIRCUIT BREAKER 30 AMP 120/240 VAC 2 POLE BOLT ON LOT OF 5
50 C-LINE 80912 SHOP TICKET HOLDERS CLEAR 9 X 12 BOX OF 50
50 GBC HEATSEAL LAMINATING POUCHES 10 MIL MENU SIZE 50 PACK GBC 3745093
50 GBC HEATSEAL LAMINATING POUCHES 10 MIL MENU SIZE 50 PACK GBC 3745093
6 TON WIRE ROPE PULLEY BLOCK W/ HOOK CABLE 12,000 LBS 1-1/8 DIA
6 TON WIRE ROPE PULLEY BLOCK W/ HOOK CABLE 12,000 LBS 1-1/8 DIA
6) ALLEN BRADLEY 800MS-PT16 SQUARE PILOT LIGHT PUSH TO TEST LOT OF 6
6) BUSS KAZ FUSE LOT OF 6
6) CINCH-JONES TERMINAL STRIPS 6 POSITION LOT OF 6
6) CINCH-JONES TERMINAL STRIPS 6 POSITION LOT OF 6
6) CINCH-JONES TERMINAL STRIPS 6 POSITION LOT OF 6
6) GE LU250/ECO LUCALOX LAMP S50 BALLAST HIGH PRESSURE SODIUM 250W LOT OF 6
6) GEOGRAPHICS DOCUMENT COVERS NAVY BLUE 9-3/4 X 12-1/2 CERTIFICATE COVER
6) HAYWARD TRUE UNION BALL VALVE 1/4 PVC SAFE BLOCK SOCKET HAYWARD 1/4 PVC
6) MC MASTER CARR 3/4 GALVINIZED STEEL CLOSE NIPPLE 10926 LOT OF 6
6) MC MASTER CARR 3/4 GALVINIZED STEEL CLOSE NIPPLE 10926 LOT OF 6
6) PASS & SEYMOUR C0521 HIPPO-HINGE STRIGHT BLADE PLUG 2P 3W 20 AMP LOT OF 6
6) PHILIPS CFL LIGHT BULB PL-S 5W/27 2-PIN G-23 LOT OF 6
6) SCHROEDER A3 DISPOSABLE 3 MICRON FILTER ELEMENTS LOT OF 6
6) SIEMENS ITE BQ1B020 CIRCUIT BREAKER BOLT-ON 1 POLE 15 AMP LOT OF 6
6) SYLVANIA H38JA-100/DX MERCURY LAMP 100W MOGUL BASE BRIGHT WHITE LOT OF 6
6) COOPER BUSSMAN BC6032B FUSE HOLDER 30A 600V 3 POLE LOT OF 6
65 PIECE ALOMA B SHIM SET FROM .001 TO .103 UP TO 3/4 BOLT SIZE
7) ALLEN BRADLEY 800T-N26A AMBER PILOT LIGHT CAP LOT OF 7 |