Limited Stock
Siemens
SIMATIC S7-200 EM 221 Digital Input 16x24VDC
6ES7 221-1BH22-0XA0
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Category
Digital Input Module
Availability
Limited Stock
Status
Active
Recommended Replacement
S7-1200/S7-1500 DI modules
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Product Description
SIMATIC S7-200 EM 221 digital input expansion module. 16 inputs at 24VDC. 9mA input current per channel. Group isolation. Plugged into S7-200 CPU expansion bus. Discontinued October 2017. Commonly used for extending digital input capacity.
Technical Specifications
Inputs
16 Digital @ 24VDC
Input Current
9mA
Isolation
Groups of 4
Power Supply
From CPU
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