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特点介绍
Main Features
输入类型:mV或者mA
模拟量输入模块使用微处理器控制整合A/D转换芯片,将电压、电流、热电偶或者热电阻信号转化为数字量信号。然后根据 模块的设置将数字量表示为工程单位、16进制格式或者满量程的百分比。当主机请求的时候,数据通过 RS-485 界面传输。模拟量输入模块提供信号调理、A/D转换、量程转化和 RS-485数字通讯功能。通过提供 A/D输入光偶隔离和高达3000V的变压器隔离,模块可以保护用户设备免受接地环流和电源浪涌的危害。
规格配置(产品常见参数,请仔细查看,谢谢!)
ADAM-4012-DE
Display LED Indicators Power
Power Supply Power Requirement 10~30 VDC
Analog Input Channels 1 differential
Voltage Range ±150 mV ±500 mV ±1 V ±5 V ±10 V
Current Input ±20 mA
Sampling Rates 10 samples/second
Resolution 16-bit
Input Impedance Voltage: 20 MOhm Current: 125 Ohm
Span Drift ±25 ppm/°C
Zero Drift ±6 µV/°C
CMR @ 50/60 Hz 150 dB
NMR @ 50/60 Hz 100 dB
General Watchdog Timer System (1.6 second)
Connector 1 x plug-in terminal block (#14~22 AWG)
Temperature (Operating) -10~70 °C (14~158 °F)
Humidity 5~95 %RH
Temperature (Storage) -25~85 °C (-13~185 °F)
Interface RS-485
Isolation Protection 3000 VDC
Communication Protocol ASCII command
Communication Speed Serial: From 1,200 to 115.2 k
Comm. Distance Serial: 1.2 km
Data Flow Control Yes
Digital Input Channles 1
Input Voltage Logic level 0: 1 V max. Logic level 1: 3.5~30 V
Digital Output Channels 2 Open collector to 30V, 30 mA max. load
Power Dissipation 300 mW
- 询价产品:研华 ADAM-4012 模拟量输入模块 ADAM-4012
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