扫描周期:是PLC每执行一遍从输入到输出所需的时间.
工作过程是
1.输入现场信号:在系统的控制下,顺序扫描各输入点,读入的输入点的状态.
2.顺序扫描用户程序中的各条指令,根据输入状态和指令内容进行逻辑运算.
3.并输出控制信号,根据逻辑运算的结果,输出状态寄存器向各输出点发出相应的控制信号.实现所要求的逻辑控制功能.
福州卓凯电子科技有限公司:林女士
公司地址:福州市闽侯西江滨大道77号正荣润园一号楼1205室
主营:世界的PLC 、DCS 系统备件 模块
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Nordson Glue Brass Nozzle Model 1026683
.018" Orifice .300" Engagement
Nordson Glue Brass Nozzle Model 231027
.021" Orifice .300" Engagement
Nordson Glue Brass Nozzle Model 231027
.021" Orifice .300" Engagement
Nordson Glue Brass Nozzle Model 231040
0.024" Orifice .300" Engagement
Nordson Glue Brass Nozzle Model 715284
Nordson H202-T Hot Melt Glue Gun 809467D
Gun Kit 240 V 200 W 50/60 Hz NWOB
Nordson Indicating Minature Green Ready
Pilot Light 105583 NWOB
Nordson Inline Filter Assembly Model 273414
Nordson Replacement Hot Melt Tank Filter
Assembly 2754863
Nordson Replacement Hot Melt Tank Filter
Assembly 2754863
Nordson Replacement Hot Melt Tank Filter
Assembly 2754863 NWOB
Nordson Replacement Hot Melt Tank Filter
Assembly Model 2754863
Nordson Replacement Reserve Flush Filter
Assembly 105443 NWOB
Nordson Replacement Reserve Flush Filter
Assembly 105443 NWOB
Nordson Replacement Screen Filter Model
288092 NWOB
Nordson Shaft Encoder HR6250500024113
Nordson Tank Filter Element P/N 161106
1" OD 4-1/2" Length 0.006" Wire Dia. NWOB
Nordson Vista Replacement Back Control
Panel Frame Without Membrane
Norgen L12-200-OPDA 250 PSI Lubricator w/
Watts 8119-020 Pressure Regulator
Norgen Lintra Magnetic Piston 25"
Stroke 25 mm Bore C/46125/M/25 150 PSI Max
Norgren 5311-01 Pneumatic Cone Filter
Element 4-3/4" Long NWOB
Norgren Air Cylinder Model EJ1277B1-REV. #3
4" Bore 4" Stroke 250 Max PSI NWOB
Norgren Air Cylinder Model X-BUE100-02868
32 mm Bore 100 mm Stroke NWOB
Norgren Air Cylinder Model X-BUE100-02868
32 mm Bore 100 mm Stroke NWOB
Norgren Air Cylinder Model X-BUE100-02875
40 mm Bore 100 mm Stroke NWOB
Norgren Lintra Magnetic Piston 24"
Stroke 25 mm Bore C/46025/L4/24 150 PSI Max
Norgren Lintra Magnetic Piston 24"
Stroke 25 mm Bore C/46025/L4/24 150 PSI Max
Norgren Pneumatic Air Cylinder Model
EA1299B1 REV #3 3-1/4" Bore 32" Stroke
Norgren Pneumatic Air Cylinder Model
EJ0377A1 1-1/2" Bore 19" Stroke NWOB
Norgren Pneumatic Air Cylinder Model
PDA/182063/W2/25 63mm Bore 25mm Stroke NWOB
Norgren Pneumatic Valve Mode
Bar 1/8 NPT 3 Port 2 Position NWOB
Norgren PRA/182032/MT/40/50 4 Position
Cylinder 32 mm Bore 40/50 mm Stroke NWOB
Norgren Pressure Regulator Model
R07-219-RGKA 300 PSIG In 100 PSIG Out
Norgren Pressure Regulator Model
R91W-2AK-NLN 150 PSIG In 125 PSIG Out
Norgren Push-In Flow Control Regulator
Model T15Y0006 3/8" Tube OD NWOB
Norgren RM/9175/160 5" Stroke Air
Cylinder Non Magnetic
Norgren T74T-4GA-P1N 250 PSI 1/2"
Isolation Shut Off Valve w/ Lockout NIB
North Amer 1 5/8 - 12 NS HS GH-4 6 Flute
USA 6R26 Plug tap
North American Electric 1.5 HP 3 Phase AC
Motor 1755 RPM Model F56C1.5M4A NWOB
North American Electric 1.5 HP 3 Phase AC
Motor 1755 RPM Model F56C1.5M4A NWOB
North American Hand Tap, 6 flute, 1-1/2-48
NS, GH-4, 2R10, USA
North American Hand Tap, 6 flute, 1-1/2-48
NS, GH-4, 2R10, USA
Norton 12" x 1" x 5"
Grinding Wheel 38A60 L8V, 2070 rpm max, 60 grit, good cond.
Norton 12" x 1" x 5"
Grinding Wheel 38A60 L8V, 2070 rpm max, 60 grit, NWOB
Norton 6" x 1/2" x 1 1/4"
Grinding Wheel 38A60-J8VBE, 4140 max RPM, NWOB
Norton 7" x 1/2" x 1 1/4"
Grinding Wheel 19A100-E9V, 3600 max RPM, NWOB
Norton 7" x 5/8" x 1 1/4"
Grinding Wheel Dish 32A46-J5VBE, 3600 max RPM, NWOB
Norton 7" x 5/8" x 1 1/4"
Grinding Wheel Dish 32A46-J5VBE, 3600 max RPM, NWOB
Norton 8" x 1" x 5/8"
Grinding Wheel 32A100 J6VBE, 3105 max RPM, NWOB
NOS Fafnir Bearing 216WDN 80mm ID, 26mm W,
140mm OD
Nova MicroSonics Mode Three
Foot Pedal Switch
NSK 3209B-2ZRNRTNGC3 Snap Ring Double Row
Ball Bearing 45 x 85 x 30 mm
NSK 3209B-2ZRNRTNGC3 Snap Ring Double Row
Ball Bearing 45 x 85 x 30 mm
NSK 3209B-2ZRNRTNGC3 Snap Ring Double Row
Ball Bearing 45, 85, 30mm NIB
NSK 6206 VV NR Sealed Snap Ring Ball
Bearing 30 x 62 x 16mm Wide NIB
NSK 6206 VV NR Sealed Snap Ring Ball
Bearing 30 x 62 x 16mm Wide NIB
NSK 6304Z Single Row Ball Bearing
NSK 6304Z Single Row Ball Bearing
NSK 6307 6307DDUNR AS2S 706 Sealed Snap
Ring Bearing 1 Row 35x80x21mm Wide NIB
NSK 6307DU Bearing 736
NSK 6307ZZCM NS7S 707 Single Row Deep
Groove Bearing 35 x 80 x 21mm Wide NIB
NTN AS208-108D1 Bearing Insert 1.5"
ID, 3.15" OD, 1.5" Width Through Bore NIB
NTN ASS207-104N Bearing Insert 1-1/4"
x 72mm x 17mm x 34mm NIB
NTN Bearing ASPP206-104 AS206 Press Steel
Pillow Block Bearing 1-1/4" ID NIB
NTN Bearings 4T-33206 4T 33206 Tapered
Roller Bearing 30 x 62 x 25mm NOS
NTN Bearings 6303Z Bore Bearing
NTN Bearings ASS205-100 KZ Ball Bearing
Insert
NTN Mast Guide Ball Bearing Model MG309DDB
5" OD 45 mm Bore 1-1/4" Width NIB
NTN R20Z Ball Bearing
Numatics 081SS400K011B Solenoid Valve
228-703B Ends NOS
NUMATICS 227-833B Plus 11SAD/50
.15Amps Solenoid Valve
Numatics 554BB431MT00061 Solenoid Valve
Assembly w/ Valve Manifold NWOB
Numatics Actuator N12388 1-1/2 Bore &
7/8 Stroke w/ Numatics L01SA459B018D
Numatics Air Control Manifold Assembly
Models VS14-02 P14-02G R14R-02 NWOB
Numatics DB-0509-U Solenoid Valve Coil
V~110 VA10 50/50 Hz ED
Numatics Pneumatically Actuated Pilot
Poppet Valve NG8PAN520N71A00 NWOB
Numatics Solenoid Valve 228-703B 15 AMP
missing Gasket
Numatics Solenoid Valve 228-703B 15 AMP
missing Gasket
Numatics Solenoid Valve Model
082SS431K000030 150 PSIG Air 120V 50-60 Hz NWOB
Numatics Solenoid Valve Model
554SA431K00030 150 PSIG Air 120V 50-60 Hz NWOB
Numatics Solenoid Valve Model
554SA431K00030 150 PSIG Air 120V 50-60 Hz NWOB
Number Nine AGP 01-338340-00, SR9, 8/16 MB
Video Card w/ Plug Adaptor
Number Nine AGP 01-338340-00, SR9, 8/16 MB
Video Card w/ Plug Adaptor
NWOB Allen Bradley 1492-IFM40D24A-2 10-30V
Series A Wiring Terminal 40 Point
NWOB Allen Bradley 42KL-F2TCL-G3 Photo
Sensor MiniSight Fixed Focus Red
NWOB ASCO Red Hat Solenoid Valve 1/4"
Pipe 11W 10-150PSI
NWOB ASHCROFT Pressure Switch 245C B424B
15PSI Range 500PSI Proof
NWOB Browning NCS6Q84 Spur Gear 6"
Pitch 14" Pitch Diameter Cast Iron
NWOB Cutler-Hammer Ser A1 E58CAL18T111R2
10-30 VDC Photoelectric Tubular Sensor
NWOB H50B25F 1-3/16" Hardened 50 Chain
45 Tooth Sprocket
NWOB H60B41 Hardened Plain Bore 60 Chain 41
Tooth Sprocket 60B41H
NWOB H60B42 Hardened Plain Bore 60 Chain 42
Tooth Sprocket
NWOB H60B42 Hardened Plain Bore 60 Chain 42
Tooth Sprocket
NWOB H60B45F 1" Hardened 60 Chain 45
Tooth Sprocket B Type
NWOB H60B45F 1-1/2" Hardened 60 Chain
45 Tooth Sprocket B Type
NWOB H60B45F 1-15/16" Hardened 60
Chain 45 Tooth B Type Sprocket
NWOB IDC 40B31 B Type 40 Chain 31 Tooth
Sprocket
NWOB IDC H35B22F 1" Hardened 35 Chain
22 Tooth Sprocket
NWOB IDC H35B22F 1" Hardened 35 Chain
22 Tooth Sprocket 35B22H
NWOB IDC H35B22F 1" Hardened 35 Chain
22 Tooth Sprocket 35B22H
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