METSO D201832 是一款适用于工业控制场景的微控制器，以下是其主要特点和应用：

工作温度区间：工业级MCU的工作温度区间为-40°C~+85°C，这使得它能够在极端环境下稳定工作。

使用寿命：D201832的使用寿命为5-10年，这表明其具有较高的可靠性和耐用性。

应用领域：该微控制器广泛应用于工业机器人、步进马达、机器手臂、仪器仪表、工业电机、工业柴油机、呼吸机系统、能源网关等产品。

输入模块：D201832根据现场输入信号的不同，可将输入模块分为开关量输入模块和模拟量输入模块。开关量输入模块的作用是把各种开关信号变成CPU所需的TTL标准信号，模拟量输入模块则将现场连续变化的模拟量信号如温度、流量、电流、电压等转换成CPU能够处理的数字信号。

输入输出模块：D201832 PLC输入、输出模块的种类包括数字输入DI、数字输出DO、模拟量输入AI和模拟量输出AO。数字输入输出一般为24V，模拟量输入输出则包括电压型和电流型，电压型有0-10V和-10到10V，电流型主要有4-20MA和0-20MA。

信号模板：信号模板的作用是将各种过程I/O信号转换，将输入的各种信号转换成数字量，便于PLC识别、处理和分析，将输出转换成模拟量给各种调节机构去执行，或将输出转换成2位式DO量去控制一些设备如启动停止、接通和断开等。

METSO D201832 is a microcontroller suitable for industrial control scenarios, the following are its main features and applications:

Operating temperature range: Industrial MCU operating temperature range of -40°C to +85°C, which makes it able to work stably in extreme environments.

Service life: The D201832 has a service life of 5-10 years, which indicates its high reliability and durability.

Application: The microcontroller is widely used in industrial robots, stepping motors, robot arms, instruments, industrial motors, industrial diesel engines, ventilator systems, energy gateways and other products.

Input module: D201832 Input module can be divided into switching input module and analog input module according to the difference of field input signal. The function of the switching input module is to turn various switching signals into TTL standard signals required by the CPU, and the analog input module converts the continuously changing analog signals such as temperature, flow, current, voltage, etc. into digital signals that the CPU can process.

Input and output modules: D201832 PLC input and output modules include digital input DI, digital output DO, analog input AI and analog output AO. Digital input and output are generally 24V, analog input and output include voltage type and current type, voltage type has 0-10V and -10 to 10V, current type mainly has 4-20MA and 0-20MA.

Signal template: The role of the signal template is to convert various process I/O signals, convert the input signals into digital quantities, which is easy for PLC to identify, process and analyze, convert the output into analog quantities for various regulating mechanisms to execute, or convert the output into 2-bit DO quantities to control some devices such as start, stop, switch on and disconnect.