变频器智能频率表/转速表

 数字转速表/频率表是高精度测量、数据采集兼容的智能仪表，适用于转速、线速、频率、长度等物理量的精确测量及控制。具备通讯、变送、馈电等多种辅助功能。输出采用当今*先进的模块化结构，功能灵活配制，报警可任意阻态设置，脉冲输入*大可达到30KHZ。采用当今*通用的MODBUS通讯协议，*大波特率达19200。
一、主要技术指标                                  二、型号说明
? 测量精度：±（0.2%FS+1）个字              KH501-□--□-□-□--□-□
? 采样周期：≤0.5秒                                            外形尺寸(宽×高)
? 显示范围：0-9999                                                                A:96×96
? 电源电压:85-240VAC                                                             B:48×96(竖)                         
? 功    耗:<5W                                                                               C:96×48(横)
? 断偶或超量程：显示OPEN                                                    D:160×80(横)
? 采用贴片(SMT)技术,设计更加简洁、轻巧                              E:80×160(竖)
? 输入规格：                                                                                  F:72×72
?                                                                                                      Ｇ:48×48
脉冲信号：0-10KHZ频率，10K-30KHZ                     主控制输出
幅值大于20mV                                                                             N:无
线性电压：0-5V、1-5V                                                                R1C、R2C
线性电流：0-10mA、4-20mA                                                     W1、G
扩充规格：在保留上述输入的同时，允许                                  K1、K2
客户指定一种额外输入规格                                            辅助输出1 
? 输出模块规格：                                                                          N：无
R1A:继电器输出(0.8A常开）                                                        R1A、R1B、R2A、R2B
R1B:继电器输出(0.8A常闭)                                                          W1、K1
R1C:继电器输出(0.8A常开+常闭)                                                U1、U2、U3
R2A:继电器输出(3A常开)                                              辅助输出2
R2B:继电器输出(3A常闭)                                                                 N：无
R2C:继电器输出(3A常开+常闭)                                                         R1A、R1B、R2A、R2B
W1:可控硅无触点输出(100-240VAC/0.2A)                                        W1、K1、I1
G:固态继电器驱动电压(DC12V/50mA输出)                                      U1、U2、U3
K1:单路可控硅过零触发                                               辅助输出3
K2:双路可控硅过零触发                                                                        N：无
      I1:光电隔离的电流变送输出                                                             R1A、R1B、R2A、R2B
      S1:光电隔离RS485通讯口                                                                W1、K1
      S2:光电隔离RS232通讯口                                                                S1、S2
      U1/U2/U3:隔离的5V/12V/24VDC馈电                                             U1、U2、U3
                                                                                                  输入
                                                                                                                     N：脉冲信号         
                                                                                                                      I：0-10mA、4-20mA
                                                                                                                      U：0-5V、1-5V

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