Product Description
Key Features
- Digital input identity: SIMATIC S7 digital input SM 326 with 8 digital inputs and 24 V DC input voltage.
- NAMUR fail-safe input: NAMUR input for SIMATIC S7 F-systems with fail-safe operation.
- Safety classification: Supports up to Cat. 4 according to EN 954, PLe according to ISO 13849-1, and SIL 2 single-channel or SIL 3 two-channel according to IEC 61508.
- Connection and cable length: Required front connector: 1x 40-pin. Maximum cable length is 200 m shielded or 100 m unshielded.
- Diagnostics and protection: Has parameterizable diagnostic alarm, red Group error SF indication, reverse polarity protection, and Ex(i) protection.
Applications
- SIMATIC S7 F-system input: Provides fail-safe NAMUR input for SIMATIC S7 F-systems.
- Hazardous-area connection: Supports use in hazardous areas with ATEX certificate 99 ATEX 2671 X.
Technical Summary
| Product | 6ES7326-1RF01-0AB0 |
|---|---|
| Family | SIMATIC S7, digital input SM 326 |
| Digital inputs | 8 |
| Supply voltage | 24 V DC |
| Input type | NAMUR |
| Front connector | 1x 40-pin |
| Fail-safe operation | Yes |
| Safety level | Cat. 4 according to EN 954; PLe according to ISO 13849-1; SIL 2 (single-channel), SIL 3 (two-channel) according to IEC 61508 |
| Operating ambient temperature | max. 60 °C |
Frequently Asked Questions
What order number should be verified for this SIMATIC S7 input module?
Verify the complete order number 6ES7326-1RF01-0AB0 on the nameplate or installed part.
How many digital inputs does the module have?
It has 8 digital inputs with 24 V DC NAMUR input voltage.
Which front connector is required?
The required front connector is 1x 40-pin.
What safety levels are supported?
It supports up to Cat. 4 according to EN 954, PLe according to ISO 13849-1, and SIL 2 single-channel or SIL 3 two-channel according to IEC 61508.
