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Product information
SIMATIC S7-200 CN Digital input EM 221 for 6ES7221-1BH22-0XA8 provides 16 digital inputs at 24 V DC and is intended only for use with S7-22X CPU.
Detailed Parameters
Product family:SIMATIC S7-200 CN
Module:Digital input EM 221
Intended for:only for S7-22X CPU
Digital inputs:16 DI
Input voltage:24 V DC
Connection type:sinking-sourcing
Approval statement:only has CE approval
Spare part:spare part
Engineering Context
The Digital input EM 221 is part of SIMATIC S7-200 CN and provides 16 DI at 24 V DC.
The module is only intended for operation with S7-22X CPU.
The input behavior is specified as sinking-sourcing for the S7-200 CN configuration.
FAQ
1. What Siemens product family does 6ES7221-1BH22-0XA8 belong to?
It belongs to SIMATIC S7-200 CN.
2. What is the function/designation of 6ES7221-1BH22-0XA8?
It is a Digital input EM 221.
3. For which CPU is the module intended?
It is only for S7-22X CPU.
4. How many digital inputs does the module provide?
It provides 16 DI.
5. What input voltage is specified for the digital inputs?
24 V DC.
6. What input wiring type is specified?
Sinking-sourcing.
7. What approval is mentioned for the S7-200 CN product when used as stated?
It only has CE approval.