SIS卡件 F3221

SIS卡件 F3221

PLC接通电源并开始运行后，立即开始进行自诊断，自诊断时间的长短随用户程序的长短而变化。自诊断通过后，CPU就对用户程序进行扫描。扫描从0000H地址所存的第一条用户程序开始，顺序进行，直到用户程序占有的后一个地址为止，形成一个扫描循环，周而复始。顺序扫描的工作方式简单直观，它简化了程序的设计，并为PLC的可靠运行提供了保证。一方面所扫描到的指令被执行后，其结果马上就可以被将要扫描到的指令所利用。另一方面还可以通过CPU设置扫描时间监视定时器来监视每次扫描是否超过规定的时间，从而避免由于CPU内部故障使程序执行进入循环而造成的故障。

REXROTH BOSCH MBC BRAKE ConNECTION WITH RELAY & PROTECTIVE CIRCUITRY MBC-D

STI MICROSAFE 115/230VAC .5A/0.25A CONTROLLER, MC42D *MISSING BOARD*

DANOTHERM DYNAMIC BRAKE RESISTOR ZFF 45/200-M 3HAB9165-1 100323

FANUC TEACH PENDANT A02B-0211-C020 101348

ALLEN BRADLEY  * COMBINATION STARTER SIZE 1 SER. H * 712-BACD24

ACCURAY PCB BOARD 4-064859-002 102938

STANLEY CROWFOOT TUBENUT  PNEUMATIC CLUTCH SHUTOFF NUTRUNNER

TURCK * EURO FAST RK 4.2T-2 CABLE  * U2170

SUN MICROSYSTEMS DOC/FCC DIFFERENTIAL PLC MODULE CARD REV.1 270-1881-02 105280

SCHNEIDER * 245VDC 16W POWER SUPPLY *  TSXPSY1610

ALLEN BRADLEY STARTER SER.B 500F-BOH93

YASKAWA * POWER SUPPLY * CPS-18FB V7Y 24725

MARPOSS ConTROL BOARD 6830293101 / 6366140700

ALLEN BRADLEY REAR DECK ConTACT CARTRIDGE , 10 IN BOX 700-C1 SER.A

SIEMENS 6ES7 194-1JB00-0xA0 SIMATIC S7 COVER PLATE FOR ET 200X BASIC MODULE

FISHER TERMINATOR STYLE A FUSED ANALOG PLC DM6421X1-B1 36A3885X072 REV C

SIEMENS DIGITAL OUTPUT MODULE 6ES7 132-4BD02-0AA0 W/ base 193-4CA30-0AA0

YASKAWA ConTROL BOARD JANCU-MCP01 D03 / EDF9200650-C0 / JANCD-MMM02-1E D22

YASKAWA ELECTRIC SERVOPACK SERVO ConTROLLER CACR-SR 20SZ1SFY91

* ROBOT ANALOG ROBOT INTERFACE 34380 * RI-1P

SIEMENS * SWITCH 30 AMPS 300 VAC * NF351-A

ALLEN BRADLEY 120VAC SER.D RELAY 700-HA32A1-3

BALOUGH DeviceNet INTERFACE MODULE BIDN AA 002230509

SIEMENS SINUMERIK CIRCUIT BOARD 6RB2100-0NA21 / 6RB2100-0SA21

PSI THYRISTOR MODULE GM480 NXF 8548

SCHNEIDER MODICON TELEMECANIQUE TSX PREMIUM 55W POWER SUPPLY TSXPSY5520

ABB ROBOTICS BACKPLANE BOARD DSQC 255 / 3HAA3563-ARA

DWYER 480VAC 15A 0.7"-0.15"W.C. RANGE LOW DIFFERENTIAL PRESSURE SWITCH, 1911-00

CROMPTON INSTRUMENTS PALADIN TRANSDUCER MODULE 256-TWMU

BECKHOFF 24VDC 4 CHANNEL DIGITAL INPUT MODULE KL1184 *LOT OF 2*

YASKAWA SERVO POWER SUPPLY JZRCR-XPU02

OPCON * PHOTOELECTRIC ConTROLLER 8172A-6501  * 102752

CHARMILLES TECHNOLOGIES ConTROL BOARD 852 447 H

ALLEN BRADLEY FLEX I/O 24VDC INPUT/OUTPUT MODULE 1794-IB10x0B6 W/ base

ALLEN BRADLEY  FLEX I/O SER.A REV.C01 / B01 1794-TBN 1794-IA8

RIS SUPERCAL BATTERY CHARGER CL6000 105613

ALLEN BRADLEY  * 120V AC/DC INPUT MODULE * 1771-IAD REV B02

RMS UNIPOWER 600MHZ 3-WAY SPLITTER DIRECTIonAL COUPLER CA-5403UB/RFI

FANUC ROBOTICS INPUT / OUTPUT MODULE A03B-0808-C001 *LOT OF 2*

ALLEN BRADLEY  * SER B 120V  AC/DC INPUT MODULE 1 LOT OF 2 * 1771-IAD

ALLEN BRADLEY  * DISConNECT SWITCH SER. B / A * 194R-NC030P3 / 194T-HD4

DATA INSTRUMENTS ConTROL BOARD D42294-01 REV. C

NORDSON PRO FLO COMMUNICATION BOARD 227120B / 227119A

EMHART ConTROL MODULE E485A REV. 02

KEYENCE POWER SUPPLY MS-H100 4.5A

SHOPLOGIX INC. RELAY ISN-075-DEV3-000005

ELECTRO INDUSTRIES KW-KWH MonITOR WH301

OMRON 9 SLOT CPU base UNIT C200H-BC101-V2 W/ CPU UNIT C200H-CPU01-E