Bently Nevada 3500/25
结构框图
1）使用PID过程控制模块。这种模块的PID控制程序是PLC生产厂家设计的，并存放在模块中，用户在使用时只需要设置一些参数，使用起来非常方便，一块模块可以控制几路甚至几十路闭环回路。但是这种模块的价格昂贵，一般在大型控制系统中使用。如三菱的A系列、Q系列PLC的PID控制模块。
2）使用PID功能指令。现在很多中小型 PLC都提供PID控制用的功能指令，如FX2N系列PLC的PID指令。它们实际上是用于PID控制的子程序，与A/D、D/A模块一起使用，可以得到类似于使用PID过程控制模块的效果，价格却便宜得多。
SQUARE D 9007 BD-20 LIMIT SWITCH 9007-BD-20 9007BD20
HonEYWELL L404C-1162 PRESSURE ConTROL MERCURY SWITCH L4...
NIB ALLEN BRADLEY 700-HT12AA24 TIMING RELAY SERIES: A
NIB ALARM LOCK SYSTEMS INC. 1U112 EXIT DOOR ALARM PG10
NIB MAC VALVES 1111A-111 SOLENOID VALVE 1111A111
ALLEN BRADLEY 140-MN-0063 MANUEL STARTER 140MN0063
SIEMENS 4" PNEUMATIC DAMPER ACTUATOR 331-2961 8-13PSI
BANNER T30AW3RQ1 EZ-BEAM T30 SERIES RECEIVER RANGE: 60 ...
LOT OF 3 BUSSMAN LPJ-125SP DUAL-ELEMENT TIME-DELAY FUSE...
NIB PARKER 926835Q FILTER ELEMENT 10 MICRON, 10GPM, 150...
NIB WIX 42121 PREMIUM FILTER
NIB IFM EFECTOR II5742 PROXIMITY SENSOR
RANSBURG 15393-25 METERING VALVE 1539325
SMC CQ1B63-30D CYLINDER CQ1B6330DMAX PRESS. 9.9KGF/CM
LOT OF 2 IFM EFECTOR IG0344 PROXIMITY SENSORS IGK2008BA...
MAC 6513B-511-PM-11?1DA SOLENOID VALVE W/ PME-111DAAG SO...
NEW ANALOG DEVICES 3B18-00 WB STRAIN GAGE INPUT
ConTROL CHIEF 033 REMOTE NCTSAGA1-L8 NEW
SIGNET SCIENTIFIC MK575.4 ACCUM-U-FLOW METER MK5754
JOHNSON ConTROLS DT-9100-8104 DX LCD DISPLAY DT91008104
NUMATICS 0246-ML92 PNEUMATIC CYLINDER NEW
NEW ARO 2132C VALVE 213-2-C
NIB DODGE P2B-VSC-112 PILLOW BLOCK SIZE 1-3/4, STOCK NO...
NEW ALLEN BRADLEY 42KL-U2TC-A2 PHOTOSWITCH RETROREFLECT...
DANFOSS VLT 5000 SERIES ADJUSTABLE FREQUENCY DRIVE INST...
GE V-LINE C40 CIRCUIT BREAKER USED
TELEMECANIQUE SQUARE D LC1K0910F7 ConTACTOR
ALLEN BRADLEY 1764-LRP PROCESSOR UNIT SER. C REV. D, FR...
MODICON PC-E984-685 984 CPU16K MEM MODULE PCE984685
GE FANUC IC600BF901K REMOTE I/O DRIVER MODULE
MAC TM-DDAP-1DA PILOT OPERATOR VALVE
RELIANCE ELECTRIC 413338-ID CIRCUIT BOARD USED
ROSS 8077B4341 SOLENOID PILOT VALVE
ALLEN BRADLEY 1770-P1 POWER SUPPLY 1770P1
OPCON 8170A-6501 DEMODULATOR 101163 USED
PASS & SEYMOUR L1520P TURNLOK PLUG 4WIRE 20A 3PH 250V
FLUKE 8050A DIGITAL MULTIMETER
XYCOM 9485 4664-SSW INDUSTRIAL COMPUTER OPERATOR INTERF...
NIB AMI UCX06-20 BEARING UCX0620
WATLOW ConTROLS Q32-481-100-BV0 POWER ConTROLLER 100AMP...
DURANT 7-Y-41337-402-M?EU COUNTER MODULE 7DIGIT 24VDC 3....
NIB DWYER 56-170837-00 RATE-MASTER RMA FLOW METER 56170...
TOTAL ConTROLS TCS350-430132 SCREEN TCS350430132