XYCOM 81987-001A現貨
我司主營DCS控制系統(tǒng) 機器人系統(tǒng) 伺服控制系統(tǒng)等備品備件 主要品牌有AB ABB 施耐德PLC及CPU
艾默生卡件 FOXBORO福克斯波羅 TRICONEX英維斯 西門子摩爾 摩托羅拉 力士樂 瑞恩電氣等各種進口品牌模塊卡件,您有相關需求可以隨時咨詢!DCS系統(tǒng)正常運行環(huán)境溫度應保持在20°C至25°C?,F有的DCS機柜空調系統(tǒng)采用中央空調系統(tǒng)。當處于冬季時,中央空調系統(tǒng)會將自然風過濾后為DCS機柜間送風,但仍需DCS系統(tǒng)機柜的風扇全天候運行,但將DCS系統(tǒng)機柜內風扇關閉,DCS系統(tǒng)產生的大量熱能將無法排除,會導致DCS系統(tǒng)溫度過高影響系統(tǒng)正常運行。
申請?zhí)枮閷嵱眯滦兔Q為一種機柜散熱系統(tǒng),公開了一種機柜散熱系統(tǒng),包括位于機柜背面的至少一個風扇組成的風扇墻和至少一個位于所述機柜上的溫度傳感器,所述風扇墻通過至少一個風扇背板與機柜的機柜管理控制器相連,所述機柜管理控制器直接與所述溫度傳感器相連或通過主板管理控制器與所述溫度傳感器相連,所述機柜管理控制器獲取所述溫度傳感器采集的溫度,并根據所述溫度控制風扇背板輸出控制信號控制所述風扇墻中風扇運行,該散熱系統(tǒng)解決了現有技術需要獨立散熱的缺陷。但是這種設計的散熱系統(tǒng)存在局限性,首先該散熱系統(tǒng)必須依靠一種固定的機柜管理控制器或是主板控制器,通過專門的數據傳輸線路來完成數據的采集。所使用的設備通用性較差。用戶必須獲取專門的機柜管理控制器和數據傳輸線路,增加了用戶的經濟成本。
入點數分,常用的有8點、12點、16點、32點等;按工作電壓分,常用的有直流5 V、12 V、24 V,交流110 V、220 V等選擇輸入模塊主要應考慮以下兩點:
(1) 根據現場輸入信號(如按鈕、行程開關)與PLC輸入模塊距離的遠近來選擇電壓的高低。一般,24 V以下屬低電平,其傳輸距離不宜太遠。如12 V電壓模塊一般不超過10 m,距離較遠的設備選用較高電壓模塊比較可靠。
(2) 高密度的輸入模塊,如32點輸入模塊,允許同時接通的點數取決于輸入電壓和環(huán)境溫度。一般,同時接通的點數不得超過總輸入點數的60%。
;按外部接線方式又可分為匯點輸入、分隔輸入等。
2.開關量輸出模塊的選擇
輸出模塊的任務是將PLC內部低電平的控制信號轉換為外部所需電平的輸出信號,驅動外部負載。輸出模塊有三種輸出方式:繼電器輸出、雙向可控硅輸出和晶體管輸出。
1) 輸出方式的選擇
繼電器輸出價格便宜,使用電壓范圍廣,導通壓降小,承受瞬間過電壓和過電流的能力較強,且有隔離作用。但繼電器有觸點,壽命較短,且響應速度較慢,適用于動作不頻繁的交直流負載。當驅動電感性負載時,大開閉頻率不得超過1 Hz。
晶閘管輸出(交流)和晶體管輸出(直流)都屬于無觸點開關輸出,適用于通斷頻繁的感性負載。感性負載在斷開瞬間會產生較高的反壓,必須采取抑制措施
2) 輸出電流的選擇
模塊的輸出電流必須大于負載電流的額定值,如果負載電流較大,輸出模塊不能直接驅動,則應增加中間放大環(huán)節(jié)。對于電容性負載、熱敏電阻負載,考慮到接通時有沖擊電流,故要留有足夠的裕量。
3) 允許同時接通的輸出點數
在選用輸出模塊時,還要看整個輸出模塊的滿負荷能力,如OMRON公司的CQM1-OC222是16點輸出模塊,每個點允許通過電流2 A(AC250 VDC24 V)。但整個模塊允許通過的大電流僅8 A。
分配輸入輸出點
一般輸入點與輸入信號、輸出點與輸出控制是一一對應的;在個別情況下,也有兩個信號用一個輸入點的,那樣就應在接入輸入點前,按邏輯關系接好線(如兩個觸點先串聯(lián)或并聯(lián)),然后再接到輸入點。
1. 明確IO通道范圍
不同型號的PLC,其輸入輸出通道的范圍是不一樣的,應根據所選PLC型號,弄清相應的IO點地址的分配。
2. 內部輔助繼電器
Ametek Digistrobe
Ametek Pressure Control Switch 0-15 PSIG Capsule model 58G0015BN2
Ametek AccuForce Cadet Force Gage Used
AMETEK TRANSDUCER 1986G2GR64SX
Panalarm AMETEK 91TF1KN120AC Plug In Sequence Card 4401296 NOS
AMETEK WINDJAMMER BLOWER, MODEL 1116247-03
NEW AMETEK P1929 3PSI 132791 K40B LM 41/21/2ANPT 0-3 PSI PRESSURE GAUGE
NEW Military Parts Equipmet Ametek 6 1/2 In. Attic Bathroon Ventilation Fan
NOS! AMETEK PRESSURE TRANSDUCER 300PSI 89PGTB300G2CB
NIB AMETEK 6" Pressure Gauge 132639 5801 600PSI 1/4 ANPT LM
NIB AMETEK 6" Pressure Gauge 126671 5801 600PSI 1/4 LM
NEW USG SOLFRUNT AMETEK PRESSURE GAUGE 0-30 PSI SB DIAPHRAGM 316L SST
Ametek Pressure Gauge 150894 4-1/2" -30 to 60 psi
AMETEK PRESSURE TRANSMITTER 88C002A2
AMETEK FORCE GAUGE GAGE MODEL T-10P-TC WITH FIXTURE
Lamb-Ametek #116158-01 36V 5.7 2 Stage Vacuum Motor
Ametek Hunter Spring L-5 Pound Force Gauge Gaug
LAMB AMETEK VACUUM MOTOR 116378-07 120 VOLTS 50/60 HZ
Ametek USG Vacuum/Pressur?e Gauge 170878
AMETEK TAK-ETTE 1716 DIGITAL TACHOMETER TACH METER
Ametek/Lamb Electric 115334 2-Stage 7.2in Central Vacuum Motor 110in 12A 115V
AMETEK TRIM SERIES FORCE GAGE 0-50 GRAMS T-50G-TC
AMETEK TRIM SERIES FORCE GAGE 0-4.4 NEWTONS T-4.4N
AMETEK FORCE GAUGE GAGE MODEL T-10P-TC
AMETEK HUNTER SPRING FORCE GAUGE LO-5 80 OUNCES
V36D28L0800 REPLACES AMETEK MOTOR 116883-00 120 VOLTS
Ametek Arc-Loc Movement 0-2300 psi Solid Front Gauge
Ametek 0 - 30psi panel mount gauge 1/4" brass NPT ftg.
Ametek Vacuum Gauge V1929 / 1929
AMETEK ROTRON TUBE AXIAL FAN , PART # 011040000 , 12 VDC , 6000 RPM , NIB
Panalarm AMETEK 91AF1NL24DC4C8?GP Flasher Audible Board NIB
Ametek B/W Controls, Liquid Level Control, Indoor Use
Ametek 2" P500 Utility Gauge
SV Allied Signal Aircraft Butterfly Valve, P/N 978558-2-1
AMETEK ROTRON 1/2 TRIMLINE X SERIES 1928XF 50AMP
PANALARM Ametek ACS-8 8 PIN RELAY (New)
Ametek U.S. Gauage 600 PSI
Ametek Alpha-3 Air Sampler Portable Sampling Pump
SV Allied Signal Aircraft Butterfly Valve P/N 978558-2-1
AMETEK HUNTER SPRING FORCE GAUGE LO-1M 16 OUNCES
Ametek US Gauge 1980 155008 60 psi size 4 1/2
ametek rotron 1.45amp 20000rpm 28vol fan
Lot 4 Pittman Ametek Gear Motor Actuator Screw 24V DC 65:1 Ratio 10:1 GM9413G421
AMETEK TESTER SPRING RESILIENCY WITH ACCESSORIES P/N PPH200
AMETEK USG U.S. GAUGE 30 PSI 4 1/2" GAUGE 1/4 NPT NIB
XYCOM 81987-001A
APC AP7941 Rack PDU LOT OF 10, Switched, Zero U, 30A, 200/208V, (21)C13 & (3)C19
APC SURT10000XLT Smart-UPS RT 10000 VA 208V 240V UPS
AP5808 17" Rack LCD Console American Power Conversion-APC
APC SUA3000R3XLNET?PKG USPP SUA3000R3XLNET?PK
APC AP5808 17 Rack LCD Console
APC SU2200RM3U USPP SU2200RM3U
APC SUA2200RMXL3U USPP SUA2200RMXL3U
DICON PS-22-4-9-13/1?5-FC/APC FIBER OPTIC SWITCH GP700M
APC SU2200NET USPP SU2200NET
APC AP5719 Rackmount LCD AP5719
SURTA2200RMXL2?U 2200VA Smart-UPS RT RM 120 American Power Conversion-APC
APC Matrix 5000 MX5000IU
APC Smart-UPS X 1500 VA Tower/Rack Mountable UPS SMX1500RM2UNC
STROMBERG SAFT-190-APC USPP SAFT190APC
ABB 610013G5 PC Bard TAI/APC Terminal Block & Conn. Set 5761806-0D 61001395
TOYODENKI APC-531 QT44529 ``XLNT`` FAST SHIPPING
APC SUA2200R2X147 Smart-UPS RM 2200VA USB / Serial 120 V 2200 VA 5-out
APC SURTA2200RMXL2?U 2200VA Smart-UPS RT RM 120
APC SU2200RMXLNET USPP SU2200RMXLNET
HP 346B 10MHz-18GHz, ENR: 14-16dB, APC-3.5(m) Noise Source
SERVERS + APC SERVER RACK COMPAQ HP DELL + 2 BATTERY BACKUPS + COPIER LOT !
APC ACSC100 InRow SC Airflow Computer Server inlet Cooling System Controller
APC SMART-UPS RT 1500VA (120V) SURTA1500XL
APC AP7701 AUTOMATIC TRANSFER SWITCH w/ 9617 MGNT CARD! NEW! NO D.O.A.
NEW Aplex 19" Touchscreen Industrial Panel PC APC-3812T
SURTA1500RMXL2?U 1500VA 120v UPS RT American Power Conversion-APC
HP Hewlett Packard 346B Noise Source 10mhz-18ghz w/ Opt: 002 APC-7 346 B 346-B
APC SUA2200RM2U USPP SUA2200RM2U
AP5719 19" Rack LCD Console American Power Conversion-APC
APC AP5719 19 Rack LCD Console
APC Smart-UPS 2200 SU2200NET 2200VA Battery Backup with RBC11 Battery 120V
APC SURTA48XLBP UPS BATTERY PACK for UNINTERRUPTIBL?E POWER SUPPLY
APC SmartUPS 1500VA RM 2U SUA1500R2X122 NEW
APC SURTA1500RMXL2?U 1500VA 120v UPS RT
APC SU1400RMXLB3U NSFP SU1400RMXLB3U
SMX1500RM2UNC Smart-UPS X 1500VA Rack/Tower American Power Conversion-APC
APC DL3000RM USPP DL3000RM
ABB Power Connection Board 58130435 SAFT 190 APC (3493)
APC SMART UPS SU2200XL 1.6KW SMART ONLINE UPS
GAUI 500X Quad Flyer Quad copter GU-INS GPS Light Combo 222007APC
XYCOM 81987-001A
AP7553 Rack PDU Basic Zero American Power Conversion-APC
APC Symmetra Power Array
APC BKPRO300 NSFP BKPRO300
BR1300G 1300VA Power Saving Back-UPS American Power Conversion-APC
APC RBC7 Replacement Battery Cartridge #7 Maintenance-fr?ee Lead Acid Hot Swapp
4.0L 2WD 4WD STEERING SUSPENSION PARTS RACK ENDS BALLS
TOYO DENKI APC-861-QT4450?6 USPP APC861QT44506
NEW APC SMART-UPS SC 420VA/260W 5.5MIN FULL LOAD 4XNEMA
H15BLK AV 1.5KVA Power Conditioner BK American Power Conversion-APC
JEEP GRAND CHEROKEE 5.2L 8CYL CONTROL ARMS BALL JOINTS TIE RODS STABILIZER BAR
HP 85130A Special 3.5mm female to APC-7 (F-7mm) Adapter Kit
APC KB-1 USPP KB1
APC SUA1500 Smart-UPS 1500 1500VA Battery Backup 120V
CONNECTING PARTS RAM 1500 2500 ADJUSTING SLEEVES TRACK BAR ARM ENDS TIE RODS
APC BP420S USPP BP420S
OMEGA ENGINEERING 4201A-PC1 USPP 4201APC1
APC BK500 BACK-UPS CS 500VA USB 3 Minute Full Load RJ11
APC 450AT USPP 450AT
APC Smart-UPS 2200 Uninterrupted Power Supply 8-Output For Parts or Repair (B)
APC Smart-UPS 2200 Uninterrupted Power Supply 8-Output For Parts or Repair (A)
TOYO DENKI APC-123-QT4486?7 USPP APC123QT44867
APC RBC48 *NEW OUT OF A BOX*
APC 2U Rack-Mountable 700V/480 Joules UPS, SU700RM2U
APC Symmetra PX Battery Unit SYBTU1-PLP
APC G50NETB2 9-OUTLET 15 AMP RACK-MOUNTABLE POWER FILTER
INNER OUTER TIE ROD ENDS UPPER ARM ENDS ADJUSTING SLEEVE RIGHT LEFT FORD
2WD 4WD DODGE RAM 2500 3500 TIE ROD ENDS ADJUSTING SLEEVES BALL JOINTS 5.9L 1998
PAIR SHOCK ABSORBER BALL ENDS RACK ENDS TRACK BAR RIGHT LEFT CHEROKEE COMANCHE
RBC34 Replacement Battery #34 American Power Conversion-APC
RBC8 Replacement Battery #8 American Power Conversion-APC
KIT ACURA CL HONDA ACCORD 1997 CONTROL ARMS W BALL JOINTS BUSHINGS RACK ENDS
APC UPS SUA750_SUA75O_?120 V_750 VA_50/60 Hz_500W Max
SC620 620VA 390W UPS American Power Conversion-APC
APC SMT1000 SMART-UPS BATTERY POWER BACKUP 1000VA 670W 120V TOWER TESKTOP, USB
REFURBISHED, NEW BATTERIES 1YEAR WRTY., FOAM PACKAGING
APC NBPD0123 CCTV Adapter Pod 120
APC Netshelter 42U Black Server Rack Removable Side Panels Wheels Half Door Lock
APC BK500 USPP BK500
KIT SUSPENSION STEERING RACK ENDS BALL JOINT FOR FORD SERIES F SUPER DUTY
APC AP9320 1U ENVIRONMENTAL MANAGEMENT SYSTEM
AR7201 Netshelter SX600MM Roof Black American Power Conversion-APC
APC BR500 NSFP BR500
APC NetBotz NBDA20L1 1-20L AMP Detector ~STSI
APC NetBotz NBDA2001 1-20 AMP Detector ~STSI
APC BP350UC USPP BP350UC
XYCOM 81987-001A





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