Product Description
Key Features
- SIMATIC S7 fail-safe digital input: SM 326 module with 24 fail-safe digital inputs for SIMATIC S7 F-systems and diagnostic alarm.
- Safety classification: Highest safety class achievable in safety mode: AK 6 according to DIN VDE 0801, Cat. 4 according to EN 954, Performance Level e according to ISO 13849-1, and SIL 3 according to IEC 61508.
- 24 V DC electrical data: Rated supply voltage: 24 V DC. Input signal range: -30 to +5 V for signal "0" and +11 to +30V for signal "1".
- Diagnostics and isolation: Diagnostic function, diagnostic alarm, readable diagnostic information, fail-safe operation LED, and red Group error SF LED. Digital inputs have potential separation between channels and between channels and the backplane bus.
- Connection and dimensions: Required front connector: 40-pin. Dimensions: 80 mm width, 125 mm height, and 120 mm depth; weight, approx. 442 g.
- Lifecycle status: Product cancellation.
Applications
- Fail-safe digital input acquisition: Provides fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm.
Technical Summary
| Product type | SIMATIC S7 digital input SM 326 |
|---|---|
| Digital inputs | 24 |
| Rated supply voltage | 24 V DC |
| Required front connector | 40-pin |
| Safety classification | Cat. 4 according to EN 954; Performance Level e according to ISO 13849-1; SIL 3 according to IEC 61508 |
| Diagnostic alarm | Yes |
| Potential separation | Between channels, in groups of 12; between channels and backplane bus |
| Input signal range | -30 to +5 V for signal "0"; +11 to +30V for signal "1" |
| Power loss, typ. | 10 W |
| Product lifecycle | Product cancellation |
Frequently Asked Questions
What is the exact order number of this fail-safe input module?
The exact order number is 6ES7326-1BK02-0AB0.
How many digital inputs does 6ES7326-1BK02-0AB0 have?
It has 24 fail-safe digital inputs.
What connector is required?
The required front connector is 40-pin.
What safety levels are supported?
The module has Cat. 4 according to EN 954, Performance Level e according to ISO 13849-1, and SIL 3 according to IEC 61508.
