EL3000 EL3010-IPA EL3010详细内容
PLC及其网络发展到现在,已经能够实现NBS或ISO模型要求的大部分功能,至少可以实现4级以下NBS模型或ISO模型功能。
PLC要提供金字塔功能或者说要实现NBS或ISO模型要求的功能,采用单层子网显然是不行的。因为不同层所实现的功能不同,所承担的任务的性质不同,导致它们对通信的要求也就不一样。在上层所传送的主要是些生产管理信息,通信报文长,每次传输的信息量大,要求通信的范围也比较广,但对通信实时性的要求却不高。而在底层传送的主要是些过程数据及控制命令,报文不长,每次通信量不大,通信距离也比较近,但对实时性及可靠性的要求却比较高。中间层对通信的要求正好居于两者之间。
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DELL EMS01 POWEREDGE 2950 RACK MOUNT SERVER 100-240V-AC D588954
SOLIDSTATE CONTROLS 80-230301-90 ANALOG SYNC BOARD D589515
BENTLY NEVADA 16699-10-05-03 VELOCITY SEISMOPROBE 500MV/IN/SEC D587247
GEMS FS-550 29608 HIGH PRESSURE METAL PADDLE SWITCH 50-240V-AC D587192
JOHNSON CONTROLS NU-NCM200-0 METASYS NCM200 NETWORK CONTROL MODULE REV D D594982
WEIDMULLER 112996 EMA U-I SIGNAL CONVERTER 4-20MA RELAY D562874
HONEYWELL 30754922-001 CONTROL OUTPUT ASSEMBLY PCB CIRCUIT BOARD D546282
WESTINGHOUSE NL1020 2623D02G02 NUMA-LOGIC OUTPUT MODULE D525939
DYNATRON 100-6328 INTERFACE PCB CIRCUIT BOARD REV B D538308
MARPOSS U8169001208 E3 MICRO PROBE AMPLIFIER 100-240V-AC 1A D591827
SECOAL 1-Y1250 DETECTOR UNIT SENSOR D531425
LEEDS NORTHRUP 064582 PCB CIRCUIT BOARD D531634
THERMON TC 101A-SSR-120-CIRT HEAT TRACING CONTROL AND MONITORING UNIT D544281
ENTEK E2172/1/80 26FT EXTENSION CABLE-WIRE FOR 18MM PROBE D558851
SBE 9007 94 M68CPU REV 04 PCB CIRCUIT BOARD D520143
ENTEK E2170/1/80 8 METER EXTENSION CABLE-WIRE D558792
GE FANUC IC600YB900C SERIES SIX I/O LOCAL TRANSMITTER PCB BOARD D520165
IFM EFECTOR PN4227 PRESSURE SENSOR 1/4 NPT 90-240V-AC 250MA D540430
PANALARM 90RFR2X17FTD1CE SEQUENCER PCB CIRCUIT BOARD D540697
08-1777-06 X-RAY MACHINE CABLE ASSEMBLY 56FT D524870
THERMO SCIENTIFIC 103218-00 FEEDBACK PRESSURE TRANSDUCER ASSEMBLY D558960
PARKER CO389114 SSD DRIVES EMC/RFI FILTER 500V-AC 48A AMP D536764
WESTINGHOUSE TR-1 1955703A OVERCURRENT RELAY D520323
HUBBELL S6119P20 CHANCE 4/0 20FT COPPER GROUNDING CABLE-WIRE D536716
LEEDS NORTHRUP 064305 REV A2/A PCB CIRCUIT BOARD MODULE D532188
BENKE 0201NAS178 SAFETY-WATCH-BOX ASSEMBLY D548881
GOULD P450 MODICON REMOTE I/O AUXILIARY POWER SUPPLY 115/230V-AC D537056
SOLIDSTATE CONTROLS 211110 PCB CIRCUIT BOARD D554571
DELTA FS42CS-RB1-S6-6.00-110-LE-00 MICROTUF MASS FLOW SWITCH D532046
ABB C300/0010/STDCE COMMANDER 300 UNIVERSAL PROCESS CONTROLLER 115V-AC D554937
AVC SPECIALISTS FESTDO15-B CONTROL MODULE PCB CIRCUIT BOARD D541405
RTK P925S PANALARM 9000 SETUP CARD 24V-DC PCB CIRCUIT BOARD D541367
RTK P925S SYSTEM 9000 SETUP CARD 24V-DC PCB CIRCUIT BOARD D541369
SIMPSON H335-1-54-0-1-0 DIGITAL PANEL 120V-AC METER D555476
STI XB3F-2N40-HM3 MAGNETROL 1 IN FLANGED LIQUID LEVEL FLOAT SWITCH D529444
KISTLER-MORSE 64-5028-01 SONOLOGIC 5000 LEVEL INDICATOR D555281
LIEBERT 03034206 UHW241U12 30K DSP PCB CIRCUIT BOARD D529306
TAYLOR MANUAL LOADING STATION CONTROLLER 0.25-1.25V-DC 117V-AC 5.1W D537386
CONTROL TECHNIQUES SSBAP020 ENCODER FEEDBACK CABLE D537904
CONTROL TECHNIQUES PSBAU025 ENCODER FEEDBACK CABLE D537905
YOKOGAWA E7056MA AS E7056 JH-00 I/O CARD PCB CIRCUIT BOARD D542264
HONEYWELL 12CX15 MICRO SWITCH 125/250/480V-AC 20A AMP SWITCH D556281
MAC EQUIPMENT RA-HMAC 146579 LEVEL FLOW SWITCH 120V-AC D547714
LEEDS NORTHRUP 035671 ISOLATOR POWER PCB CIRCUIT BOARD CARD D533463
LEEDS NORTHRUP 046268 LCD DIS**Y PCB CIRCUIT BOARD D533465
MANNING PH-2001 PORTABLE PH RECORDER D525819
SCHNEIDER XAC-B881 8-BUTTON PENDANT CONTROL STATION SWITCH D549720
TELEMOTIVE E7125-0 MAXTEC RF MASTER RECEIVER MODULE D526433
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