Manufacturer: SIEMENS Model: 6DR2210-4 Type: Analog Input Module Number of Input Channels: 4 Input Range: -10V ~ + 10V/0 ~ 20ma Accuracy: ± 0.1% Operating Temperature Range: -25 ° C ~ + 60 ° C Supply Voltage: 24VDC Protection Class: IP20 SIEMENS 6DR2210-4 Process Controller With advanced microprocessor technology, it has powerful data processing capability and efficient communication capability, and can quickly respond to and execute complex control algorithms.Its rugged design allows it to operate stably in harsh industrial environments. The controller supports several industry-standard protocols, such as PROFIBUS DP, for easy integration with other devices. In addition, its ease of installation and maintenance makes it easy for users to integrate it into existing control systems.