Type:Digital Input Module
Model Number:EM 221
Number of Inputs:8
Input Voltage:24 V DC
Optical Isolation:Yes
Compatibility:S7-21X CPU
Dimensions:9,10 x 12,10 x 6,80 cm
Weight:0.226 kg
Manufactured By:Siemens
The Siemens S7-200 Digital Input EM 221 module is an essential component in industrial automation systems, offering high performance and reliability. It is specifically designed for use in S7-200 PLC systems, enhancing the functionality and efficiency of control processes.
Equipped with optically isolated inputs, this module ensures superior signal integrity and prevents electrical noise from affecting the system’s performance. Its compact design and rugged construction make it suitable for various industrial environments, including harsh conditions where dust, moisture, or temperature fluctuations are common.
With its 8 digital input channels, the EM 221 can handle up to 50 mA current per channel, making it versatile for a wide range of applications. It supports both normally open and normally closed contacts, providing flexibility in system design and configuration.
Featuring a wide operating temperature range from -25°C to +60°C, this module is designed to withstand extreme environmental conditions, ensuring reliable operation in diverse industrial settings. The high storage temperature specification (-40°C to +85°C) further enhances its durability and applicability across different locations.
The Siemens S7-200 Digital Input EM 221 is compatible with the entire S7-200 series, including CPUs, expansion modules, and other peripheral devices. Its integration into existing systems is seamless, offering quick setup and easy maintenance for efficient industrial automation.
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