商品描述：
商品名稱： 721型雙預(yù)置電子計(jì)數(shù)器
聯(lián)系人 張先生 QQ:1
工作原理及簡介：
l 5位LED顯示
l 雙預(yù)置輸出
l 多種編程方式
l 德國工業(yè)標(biāo)準(zhǔn)尺寸
型號 | 0 721 107 | 0 721 105 | 0 721 106 | 0 721 125 | 0 721 126 |
顯示 | 5位紅色LED顯示 字高7mm | ||||
電壓 ±10% | DC：12 V～24V | DC：12 V～24V | AC：85V～265V | DC：12 V～24V | AC：85V～265V |
功率 | 2W | ||||
數(shù)據(jù)保持 | 10年 | ||||
輸入阻抗 | 22kΩ | ||||
門檻電壓 | 高電平≥8 V，低電平≤2 V | ||||
極限電壓 | 正負(fù)40V | ||||
計(jì)數(shù)（復(fù)位）信號頻率 | 30Hz或5kHz,可通過編程開關(guān)設(shè)置 | ||||
計(jì)數(shù)（復(fù)位）信號觸發(fā)方式 | 正沿或負(fù)沿，可通過編程開關(guān)設(shè)置 | ||||
小脈沖寬度 | 17ms或100μs, 可通過編程開關(guān)設(shè)置 | ||||
比率設(shè)置范圍 | 0.001-9.999 | ||||
信號輸出方式 | 晶體管輸出 | 繼電器輸出 | |||
信號輸出時(shí)間 | 小50ms,中間約1s,可設(shè)置為穩(wěn)態(tài) | ||||
負(fù)載能力 | 繼電器輸出：50VA，電壓AC：250V；DC：30V, 電流：1A 晶體管輸出：20mA | ||||
占空比 | 1：1 | ||||
抗干擾等級 | 3級（IEC801） | ||||
前面板保護(hù) | IP54，DIN40050 | ||||
后面板保護(hù) | IP00，DIN40050 | ||||
工作溫度 | -10℃~+50℃ | ||||
存儲溫度 | -20℃~+70℃ | ||||
重量 | 約170g | ||||
根據(jù)客戶需要可改型為單預(yù)置型 | |||||
Product description:
Product Name: 721 Double-preset Electronic Counter
Working principle & Introduction: It adopts the international up-to-date single-chip machine technology and surface mounting technology (SMT). Through years of mating verification, the model 721 has been extensively applied in automatic packaging machinery, textile machinery, dying machinery, batching devices, elevators, mine probe cars, cable cutting machines, and punching machines. In addition, it adopts 5-digit LED display, screw connection, ratio display, double-preset output, multiple programming methods, and Germany industrial standard dimensions.
Product Series and Relevant Technical Parameters:
Model | 0 721 107 | 0 721 105 | 0 721 106 | 0 721 125 | 0 721 126 |
Display | 5-digit red LED display Text height 7mm | ||||
Voltage (Fluctuation range: ±10%) | DC: 12 V～24V | DC: 12 V～24V | AC: 165V～265V | DC: 12 V～24V | AC :165V～265V |
Power | 2W | ||||
Data retention | 10 years | ||||
Input impedance | 22kΩ | ||||
Threshold voltage | High level≥8 V, low level≤2 V | ||||
Limit voltage | ±40V | ||||
frequency | 30Hz or 5kHz, can be set by the programmable switch | ||||
Counting (reset) signal trigger mode | Positive or negative edge, can be set by the programmable switch | ||||
Minimum pulse width | 17ms or 100μs, | ||||
Ratio set range | 0.001-9.999 | ||||
Signal output mode | Transistor output | Relay input | |||
Signal output time | Min. 50ms, the middle about 1s, can be set in steady state | ||||
Load capacity | , max. voltage AC:250V; DC:30V, max. current: 1A | ||||
Duty cycle | 1:1 | ||||
Capacity of resisting disturbance | Level 3 (IEC801) | ||||
Front protection | IP54, DIN40050 | ||||
Back panel protection | IP00, DIN40050 | ||||
Operating temperature | -10℃~+50℃ | ||||
Storage temperature | -20℃~+70℃ | ||||
The counters can be modified as the single preset type according to customer needs, or be customized into 85 ~ 265VAC for power supply. | |||||
Product installation & dimension diagram:
