Technical Summary
| Product family | SIMATIC S7-300 |
|---|---|
| Module type | digital input SM 321 |
| Input channels | 32 DI |
| Input voltage | 120 V AC; 47 … 63 Hz |
| Input signal 1 | 74 to 132V |
| Input signal 0 | 0 to 20V |
| Input current for signal 1, typ. | 21 mA |
| Connection method | required front connector 40-pin |
| Isolation tested with | 2 500 V DC |
| Typical power loss | 4 W |
Applications
120 V AC digital signal acquisition
Monitors 120 V AC input signals through 32 digital inputs.
Key Features
SIMATIC S7-300 digital input module
SM 321 digital input spare part for the SIMATIC S7-300 family.
32 digital inputs
Provides 32 DI for AC input signal acquisition.
120 V AC input rating
Input voltage is 120 V AC, 47 … 63 Hz.
1x 40-pole front connector
Requires a 40-pin front connector.
Product cancellation
Supplied lifecycle status is Product cancellation.
Frequently Asked Questions
What is Siemens 6ES7321-1EL00-0AA0?
It is a SIMATIC S7-300 digital input SM 321 spare part.
How many digital inputs does 6ES7321-1EL00-0AA0 provide?
It provides 32 digital inputs.
What input voltage does 6ES7321-1EL00-0AA0 use?
The input voltage is 120 V AC; 47 … 63 Hz.
What connector is required for 6ES7321-1EL00-0AA0?
A required 40-pin front connector is specified.
What is the lifecycle status of 6ES7321-1EL00-0AA0?
The lifecycle status is Product cancellation.
