商品描述：
商品名称： 721型双预置电子计数器
联系人 张先生 QQ:1
工作原理及简介：
l 5位LED显示
l 双预置输出
l 多种编程方式
l 德国工业标准尺寸
型号 | 0 721 107 | 0 721 105 | 0 721 106 | 0 721 125 | 0 721 126 |
显示 | 5位红色LED显示 字高7mm | ||||
电压 ±10% | DC：12 V～24V | DC：12 V～24V | AC：85V～265V | DC：12 V～24V | AC：85V～265V |
功率 | 2W | ||||
数据保持 | 10年 | ||||
输入阻抗 | 22kΩ | ||||
门槛电压 | 高电平≥8 V，低电平≤2 V | ||||
极限电压 | 正负40V | ||||
计数（复位）信号频率 | 30Hz或5kHz,可通过编程开关设置 | ||||
计数（复位）信号触发方式 | 正沿或负沿，可通过编程开关设置 | ||||
小脉冲宽度 | 17ms或100μs, 可通过编程开关设置 | ||||
比率设置范围 | 0.001-9.999 | ||||
信号输出方式 | 晶体管输出 | 继电器输出 | |||
信号输出时间 | 小50ms,中间约1s,可设置为稳态 | ||||
负载能力 | 继电器输出：50VA，电压AC：250V；DC：30V, 电流：1A 晶体管输出：20mA | ||||
占空比 | 1：1 | ||||
抗干扰等级 | 3级（IEC801） | ||||
前面板保护 | IP54，DIN40050 | ||||
后面板保护 | IP00，DIN40050 | ||||
工作温度 | -10℃~+50℃ | ||||
存储温度 | -20℃~+70℃ | ||||
重量 | 约170g | ||||
根据客户需要可改型为单预置型 | |||||
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:
