Product Overview
Technical Summary
| Product designation | SIPLUS S7-300 SM 321 digital input module |
|---|---|
| Base model | 6ES7321-7BH01-0AB0 |
| Digital inputs | 16 |
| Rated input voltage | 24 V DC |
| Input voltage, signal "0" | -30 … +11.2 V |
| Input voltage, signal "1" | 13 to 30V |
| Connection | 1x 20-pole |
| Diagnostics | Parameterizable diagnostics and diagnostic alarms |
| Interrupts | Parameterizable hardware interrupt |
| Product lifecycle | Product cancellation |
Key Features
- Product designation: SIPLUS S7-300 SM 321 digital input module, based on 6ES7321-7BH01-0AB0, with conformal coating.
- Digital inputs: 16 digital inputs with an input characteristic curve in accordance with IEC 61131, type 2.
- Input supply: 24 V DC rated input voltage; permissible input voltage range for signal "0": -30 … +11.2 V, and for signal "1": 13 to 30V.
- Diagnostics and interrupts: Parameterizable diagnostics, diagnostic alarms, hardware interrupts, wire-break detection to I< 1 mA, and LED indications.
- Connections and cable length: 1x 20-pole connection; shielded cable length max. 1 000 m and unshielded cable length max. 600 m.
- Installation and protection: Reverse polarity protection, electronic short-circuit protection for the encoder supply, and operation in isochronous mode.
Applications
- Isochronous mode: The module supports operation in isochronous mode.
Frequently Asked Questions
What does Siemens order number 6AG1321-7BH01-4AS0 identify?
It identifies a SIPLUS S7-300 SM 321 digital input module based on 6ES7321-7BH01-0AB0, with 16 isolated digital inputs and 24 V DC input.
Which specifications distinguish this MLFB?
Check the 16 digital inputs, 1x 20-pole connection, conformal coating, 24 V DC input, diagnostics, hardware interrupt, and isochronous-mode capability.
What code and nameplate details should be checked?
Check the complete order number 6AG1321-7BH01-4AS0 and the base model 6ES7321-7BH01-0AB0.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number.
