1756-PB75/B
1756-PB75/B
1756-PB75/B
1. 输出方式的选择
开关量输出模块有三种输出方式:继电器输出、晶闸管输出和晶体管输出。继电器输出的价格便宜,既可以用于驱动交流负载,又可用于直流负载,而且适用的电压大小范围较宽、导通压降小,同时承受瞬时过电压和过电流的能力较强。但它属于有触点元件,其动作速度较慢、寿命短,可靠性较差,因此,只能适用于不频繁通断的场合。当用于驱动***负载时,其触点动作频率不超过1Hz。
对于频繁通断的负载,应该选用双向晶闸管输出或晶体管输出,它们属于无触点元件。但双向晶闸管输出只能用于交流负载,而晶体管输出只能用于直流负载。
& 公司全称 : 厦门泰尼电气有限公司
& 销售代表 : 小黄
& 洽谈电话 : 0592-6809319
&手机:18950191386
& 商务 *** : 2917675397
& 传真(FAX): 0592-6890859 (请注明,01006收)
& 公司地址 : 厦门市海沧区海沧街道滨湖一里7号
& 公司网址 :
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