JAMSC-120DDI34300
JAMSC-120DDI34300
JAMSC-120DDI34300
模拟量输出模块是将中央处理器的二进制数字信号转换成4～20 mA的电流输出信号或0～10 V、0～5 V的电压输出信号，以提供给执行机构。因此模拟量输出模块又叫D/A转换输出模块。
模拟量控制单元的性能主要由A/D、D/A转换器决定。
A/D转换是指将模拟输入信号转换成N位二进制数字输出信号的过程。伴随半导体技术、数字信号处理技术及通信技术的飞速发展，A/D转换器近年也呈现高速发展的趋势。人类数字化的浪潮推动了A/D转换器不断变革，现在，在通信产品、消费类产品、工业医疗仪器乃至军工产品中无一不显现A/D转换器的身影，可以说，A/D转换器已经成为人类实现数字化的先锋。自1973年只集成A/D转换器问世至今，A/D、D/A转换器在加工工艺、精度、采样速率上都有长足发展，现在的A/D转换器的精度可达26位，采样速度可达1GSPS，今后的A/D转换器将向高速、高精度、集成化、单片化发展。不管怎么发展，A/D转换的原理和作用都是不变的。
◆ 企业名称：厦门泰尼电气有限公司
◆ 主营业务：DCS,PLC
◆ 经营模式： 贸易
◆ 贸易地区：
◆ 联系人： 小黄《女士》
◆ 电话：
◆手机：
◆ QQ:2917675397
◆ 传真： （备注“01006”收）
◆ E-mail： 2917675397@qq.com
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