Product information
Overview
Applications
- Fail-safe digital input: Provides fail-safe digital input for SIMATIC S7 F-systems.
Key Features
- Fail-safe digital input: SM 326 module with 24 fail-safe digital inputs for SIMATIC S7 F-systems and diagnostic alarm.
- Safety performance: Safety mode achieves Cat. 4 according to EN 954, Performance Level e according to ISO 13849-1, and SIL 3 according to IEC 61508.
- Supply and input voltage: Rated supply voltage is 24 V DC. For signal "0", the input voltage is -30 to +5 V; for signal "1", it is +11 to +30V.
- Diagnostic and isolation functions: Has diagnostic information readable, fail-safe operation indication, Group error SF (red) indication, and potential separation between channels and the backplane bus.
- Front connection: Requires a 40-pin front connector.
- Product lifecycle: Product cancellation; the collected description identifies this item as a spare part.
Technical Summary
| Product type | SIMATIC S7 SM 326 fail-safe digital input |
|---|---|
| Digital inputs | 24 |
| Rated supply voltage | 24 V DC |
| Diagnostic alarm | Yes |
| Safety mode | Cat. 4 according to EN 954; Performance Level e according to ISO 13849-1; SIL 3 according to IEC 61508 |
| Front connector | 40-pin |
| Product lifecycle | Product cancellation |
| Spare part | Yes |
Frequently Asked Questions
What is Siemens 6ES7326-1BK02-0AB0?
It is a SIMATIC S7 SM 326 fail-safe digital input module with 24 digital inputs for SIMATIC S7 F-systems.
What supply and input voltage does it use?
The rated supply voltage is 24 V DC. The input voltage is -30 to +5 V for signal "0" and +11 to +30V for signal "1".
What safety levels are supported?
In safety mode, it achieves Cat. 4 according to EN 954, Performance Level e according to ISO 13849-1, and SIL 3 according to IEC 61508.
What connector is required?
A 40-pin front connector is required.
What should I include in a quotation request?
Include the required quantity, destination, and any project-list context for verification.
