品牌:AB | 規格:1769-BA | 材質:1769-BA |
產地:美國 |
1769-BA
1769-BA
1769-BA
對存儲容量的選擇
對用戶存儲容量只能作粗略的估算。在僅對開關量進行控制的係統中,可以用輸入總點數乘 10 字 / 點+輸出總點數乘 5 字 / 點來估算;計數器 / 定時器按( 3 ∼ 5 )字 / 個估算;有運算處理時按( 5 ∼ 10 )字 / 量估算;在有模擬量輸入 / 輸出的係統中,可以按每輸入 / (或輸出)一路模擬量約需( 80 ∼ 100 )字左右的存儲容量來估算;有通信處理時按每個接口 200 字以上的數量粗略估算。後,一般按估算容量的 50 ∼ 100 %留有裕量。對缺乏經驗的設計者,選擇容量時留有裕量要大些。
MOORE 42V 4-20MA 0-100 PSIG PRESSURE TRANSMITTER, 341GE
KB ELECTRONICS 120V 250A AC MOTOR FAN SPEED CONTROL KB
SQUARE D 600V 335A 2-POLE POWER DISTRIBUTION BLOCK 9080
ALLEN BRADLEY 60A, 600V TRAILER FUSE BLOCK 1494V-FS60 S
EMERSON 7G-23521-A1P 240 VAC 24 VDC GO SWITCH
BUSSMANN 200A 600VAC LOW PEAK DUAL ELEMENT TIME DELAY F
ASCO 125/100PSI, 1/4"NPT, 110/120V, 50/60HZ, 11W SOLENO
FUJI SA33BUL BB3ASBUL-030 3P 30A AUTO BREAKER, NIB
TOTALINE 03-10 MIN DELAY ON BREAK TIME DELAY RELAY P28
GE SPECTRA RMS 3-POLE 400A 600VAC MAG-BREAK CIRCUIT BRE
NUMATICS 150PSIG-AIR, 100-115/110-120V, 006A, SOLENOID
BANNER 20-250V AC OPPOSED MODE SENSOR S183EQ1
GENERAL ELECTRIC DE361R FLEX-A-PLUG PLUG-IN DEVICE BUS
APPLETON FS-1-50 MALL IRON FS-FD CAST DEVICE BOX, NIB
VALMONT ELECTRIC 8G3651W BONUS LINE BALLAST NIB
GENERAL ELECTRIC 080B20D CONTACT BLOCKS LOT OF 12
FUJI BU-ECA2005 2 POLE 5 Amp CIRCUIT BREAKER, NIB