Honeywell TC-PRS021

Honeywell TC-PRS021

  存储器主要有两种：一种是可读/写操作的随机存储器RAM，另一种是只读存储器ROM、PROM、EPROM 和EEPROM。在PLC中，存储器主要用于存放系统程序、用户程序及工作数据。

    系统程序是由PLC 的制造厂家编写的，和PLC的硬件组成有关，完成系统诊断、命令解释、功能子程序调用管理、逻辑运算、通信及各种参数设定等功能，提供PLC运行的平台。系统程序关系到PLC的性能，而且在PLC使用过程中不会变动，所以是由制造厂家直接固化在只读存储器ROM、PROM或EPROM中，用户不能访问和修改。

Honeywell TC-PRS021

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OMRON 5-24VDC PROXIMITY SENSOR E2EC-CR5B1

BAUMER IFFM 08P17A/O1S35L INDUCTIVE SENSOR 10-30VDC NIB

TELEMECANIQUE 24-240V 10-200MA PHOTOELECTRIC SENSOR, XU9-M18MA230

ALLEN BRADLEY GUARDMASTER SAFETY SWITCH TLS1-GD2 101459

KEYENCE FIBER OPTIC SENSOR FU-67GFU-67G *NEW*

ROSEMOUNT 2000PSI 4-20mA 45VDC PRESSURE TRANSMITTER 1151DP5E22B1 1151-0011-0052

HAROWE RESOLVER ENCODER 21BRCX-500-F8-0?1 *NEW*

BANNER 4.0MM 3FT GLASS FIBER OPTIC CABLE, BR2.53S, NIB

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FISHER 3-15PSI 4-20mA CURRENT TO PRESSURE TRANSDUCER (I/P) 3311 DS1J1 K5

TURCK 10-65VDC 200MA PROXIMITY SWITCH, BI1.8-WRS-AP4X2 NIB

BIMBA 120V, 2-WIRE, 20mA, REED SWITCH MRS-.087-PBL-31 *NEW*

BANNER OMNI-BEAM AC POWER BLOCK OPBA2QD *NEW*

SICK 10-30VDC 100MA ELECTRONIC PHOTO SENSOR, VL18-3P3140

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IFM 10-36VDC 250MA IF5712 INDUCTIVE SENSOR, IFK3004-BPKG/US?-100-DPS *NEW*

Honeywell TC-PRS021

HONEYWELL 24VDC MICROSWITCH GKR40M6A2 NIB

UFM TYPE-4 FLOW METER SN-IIF4GM-6-.99?C1.0-A1WR-1D

YAMATAKE HONEYWELL SENSOR FE8B-DLF6

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TURCK PROXIMITY SENSOR BL 8-M18E-AP6X-H11?41 99899

CAPP SENSING PROBE 215 4T2-7700

TURCK 20-250VAC PROXIMITY SWITCH BI2-CRS260-ACZ3?0X2-B313/S

OMRON PROXIMITY SWITCH E2FQ-X5Y1 NIB

ALLEN-BRADLEY 20-150V AC/DC, 100mA, SENSOR WITH CARTRIDGE 871D-JW2G165A-R?5 *NEW*

BANNER 20-250VAC 3 PIN PHOTOELECTRIC SENSOR Q40AW3FF400Q4

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Honeywell TC-PRS021

SICK 12-30VDC 4 PIN LUMINESCENCE SCANNER LUT3-650

OPTO EFECTOR OG5029/OGT-HPKG 10-55V DC 250 MA PNP NIB

BANNER MULTI BEAM SCANNER BLOCK SBDX1 16648

BALLUFF 20-260V AC/DC LONG RANGE PROXIMITY SENSOR BES IKU 015.05 GS5 SA1

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BECKMAN ELECTRODE 592373 S101A

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PEPPERL+FUCHS 6-30VDC 100MA PROXIMITY SENSOR, NMB2-12GM75-Z3-?FE-V1, NIB

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NUMATICS ACTUATOR 1A, 6-24VDC HALL EFFECT SENSOR AH6-002

BANNER WORLD BEAM PHOTOELECTRIC SENSOR QS18VP6CV45Q5

WALKER SCIENTIFIC HAND-HELD GAUSSMETER MG-4D

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