品牌:施耐德 | 规格:140NOM21100 | 材质:140NOM21100 |
产地:法国 |
140NOM21100
140NOM21100
140NOM21100
PLC系统中的存储器主要用于存放系统程序、用户程序和工作状态数据。PLC的存储器包括系统存储器和用户存储器。
(1)系统存储器
系统存储器用来存放由PLC生产厂家编写的系统程序,并固化在ROM内,用户不能更改。它使PLC具有基本的功能,能够完成PLC设计者规定的各项工作。系统程序质量的好坏很大程度上决定了PLC的性能。
MEAD 24VAC 25-125 PSI 1/8" NPT CONTROL VALVE, LTV-115DD
CUTLER-HAMMER 110/120VAC COIL NEMA SIZE 00 9A REVERSING
E. DOLD & SOHNE 115V, 0.2-4SEC MINITIMER AI 953.0082/60
BALLUFF 2 WAY LIMIT SWITCH BNS 813-B02-X12-61-?A-12-X001
I-T-E 120/240VAC 40A 1 POLE CIRCUIT BREAKER, BQ1B040 *N
ALLEN BRADLEY 115-120V COIL NEMA SIZE 0 18A STARTER 520
CUTLER HAMMER D.C COIL POLE D40RCD *NEW, LOT OF 3*
SIEMENS 2.4-4A SELF-PROTECTED MOTOR STARTER SWITCH 3VU1
TELEMECANIQUE 2.5-4A 3-POLE MANUAL MOTOR STARTER & PROT
SIEMENS SIRIUS 400V 24VDC COIL CONTACTOR 3RT1024-1BB40
ALLEN BRADLEY 24V AC/DC ORANGE ILLUMINATED STACKLIGHT 8
NUMATICS 150PSIG-AIR, 24VDC, 4.0W SOLENOID VALVE I23BA4
RELCO 24VDC MR-C RELAY C5-A30X
HAMMOND MANUFACTURING 128707 600 VOLTS 60 HERTZ INDUSTR
RED LION CONTROLS 115/230VAC DIGITAL PANEL METER IMD2
BANNER 0.75" DIA, 8" LENGTH, SPECIFIED TEST PIECE STP-2
T&B / RUSSELLSTOLL 10A 600VAC, 20A 250VAC RECEPTICAL WI
IDEC 20A, 300V TERMINAL BLOCK BA211TU *LOT OF 2*
BUSSMANN FUSETRON 80AMP DUAL ELEMENT TIME DELAY FUSE FR
E. DOLD + SOHNE 127VAC/24VDC SAFEMASTER SAFETY RELAY BO
HUBBELL 480VAC, 60A, 3HP, CIRCUIT-LOCK HBL460MI7W
GLENAIR 0.750-20 UNEF SIZE STRAIN RELIEF CONNECTOR MS34