Product Overview
Technical Summary
| Product designation | SIPLUS S7-300 SM 321 4DI NAMUR |
|---|---|
| Based on | 6ES7321-7RD00-0AB0 |
| Digital inputs | 4 |
| NAMUR inputs | 4 |
| Rated load voltage L+ | 24 V DC |
| Input voltage | 8.2 V DC; from internal power circuit supply |
| Maximum input frequency | 2 kHz, with a time delay of 0.1 ms |
| NAMUR encoder connection | Two-wire connection |
| Product lifecycle | Product cancellation |
Key Features
- Product designation: SIPLUS S7-300 SM 321 4DI NAMUR based on 6ES7321-7RD00-0AB0.
- Digital inputs: 4 isolated digital inputs and 4 NAMUR inputs.
- Load voltage: Rated load voltage L+: 24 V DC, with reverse polarity protection.
- NAMUR input characteristics: NAMUR encoder input, two-wire connection, with a maximum input frequency of 2 kHz.
- Diagnostics and protection: Diagnostics-capable, with group error SF, digital input status, and channel fault indicators; module for Ex(i) protection.
Applications
- Hazardous-area signal input: Receives signals from the hazardous area through NAMUR inputs.
Frequently Asked Questions
What specifications distinguish Siemens 6AG1321-7RD00-4AB0?
It is a SIPLUS S7-300 SM 321 4DI NAMUR module based on 6ES7321-7RD00-0AB0, with 4 isolated NAMUR digital inputs, 24 V DC load voltage, diagnostics, and conformal coating.
What should be checked against the nameplate for this code?
Check the complete order number 6AG1321-7RD00-4AB0 and the supplied designation, including SIPLUS S7-300 SM 321 4DI NAMUR and the base code 6ES7321-7RD00-0AB0.
What connection does the NAMUR encoder use?
The NAMUR encoder uses a two-wire connection.
What details are needed for a quotation?
Provide the required quantity and destination together with the complete order number 6AG1321-7RD00-4AB0.
