1746-NR8
1746-NR8
數(shù)據(jù)測(cè)試
3月24日做了188T和154T兩個(gè)設(shè)備校準(zhǔn)點(diǎn),兩點(diǎn)差值34T。
3月25日開(kāi)始記錄生產(chǎn)顯示的消耗和儀表顯示的消耗,從上午8:30起到下午15:30,記錄9筆數(shù)據(jù),生產(chǎn)的消耗和儀表顯示的消耗見(jiàn)下表:
從上表可見(jiàn),測(cè)試中系統(tǒng)的zui大誤差僅有1.7T,考慮到儀表顯示分度為2T,且生產(chǎn)時(shí)重量顯示有一定的滯后性,而且校準(zhǔn)時(shí)重量差異較小影響線性,在種種不利的因素下誤差才為0.57%!
五、結(jié)論
盡管在種種不利的條件下測(cè)量,設(shè)備的誤差仍然僅有0.57%??紤]到本次測(cè)試僅測(cè)量了從154T~86T的顯示范圍,而且沒(méi)有考慮到冬夏、刮風(fēng)、下雨、*蠕變等其他外界因素的干擾,使用精度會(huì)稍稍低于這個(gè)值,但是按照這種數(shù)據(jù)顯示趨勢(shì)來(lái)看,我們也是能夠達(dá)到2%的使用精度。因此,貼片式重量料位計(jì)*符合水泥攪拌站的技術(shù)需求,而且產(chǎn)品簡(jiǎn)單可靠,安裝方便,適合大規(guī)模推廣。
Foxboro FPS400-24
Foxboro I/A P0903ZE
Foxboro DO117KP
Foxboro P0971FB
Foxboro P0940BR
Foxboro P0940DH
Foxboro P0940BW
Foxboro P0940DK
P0961BC CP40B
FOXBORO P0960HA
FOXBORO P0700WB
FOXBORO P0971WV
FOXBORO P0903ZE
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P0400VE Field Bus Isolator
P0400YL FBM10, 120 VAC In/Out
P0960GC Workstation Processor 30
P0400QA Keyboard Assy.
P0400QB QWERTY Keyboard Assy.
P0500ZG Trackball w/conn. cable
P0600TA Annunciator Keypad (for P0400QA)
P0600TC QWERTY Assy. (for P0400QA)
P0600TC-B6 Numeric Kbrd. Assy. (for P0400QA)
P0600TV-F1 2x8 Annunc. Kbrd. Assy. (for P0400QA)
P0900MR Display Panel (for 2 Kbrds.)
P0901AK Auto/Manual Station
P0901YT 19 Panel Mount CRT Display w/Touchscreen
P0400VP CMP10 Processor
P0700WB NODEBUS Extender
P0970BC Dual NODEBUS Interface
P0900JE LAN 2-port Passive Tap
P0902DZ CMP15 Processor, Rev. 0E
P0400VT Application Processor 20
P51 Application Processor
-000030132 50 - 120 VAC, No Disk Mirroring, 24 Mb RAM, NODEBUS I/F & 2nd Ethernet Port
P0400QK Streaming Tape Drive (SCSI)
P0970JW 424 Mb Hard Drive
P0970KT Streaming Tape Drive (SCSI) 150 Mb
P0400VR CP10 Processor
P0960AW CP30 Processor
P0400ZB IPM2, 120 to 240 VAC
P0400ZB IPM3A, Backup Power
P0400ZE IPM6, Backup/Battery Power
P0500GM Dual Switch Junction Box w/P0800JB cables (3 wire)
P0400CV FT Module Connector (2 slot)
P0400DL Y Adapter
P0970NM 19 Modular Mounting Structure
1、老型號(hào)DCS