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Product information
SIMATIC S7 digital input SM 326 fail-safe digital input module for SIMATIC S7 F-systems with diagnostic alarm; part number 6ES7326-1BK02-0AB0.
Detailed Parameters
Module:Digital input SM 326
Fail-safe:Fail-safe digital input for SIMATIC S7 F-systems
Diagnostic alarm:Diagnostic alarm
Input voltage:24 V DC
Channel count:24×24
Safety integrity targets:Up to category 4 (EN 954-1)/ SIL3 (IEC61508)/ PLE (ISO13849)
Connector type:1x 40-pole
Spare part:Spare part
Engineering Context
The SM 326 provides a fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm.
The module supports 24 V DC digital input signals with up to category 4 (EN 954-1)/ SIL3 (IEC61508)/ PLE (ISO13849).
The module is configured with 1x 40-pole based on the provided interface description.
FAQ
1. What is the product family and function of 6ES7326-1BK02-0AB0?
6ES7326-1BK02-0AB0 is a SIMATIC S7 digital input module (SM 326) designed as a fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm.
2. What input voltage does the SM 326 fail-safe digital input support?
The module is specified as an F-DI 24×24 V DC fail-safe digital input.
3. What safety integrity targets are specified for this module?
The module is specified for up to category 4 (EN 954-1)/ SIL3 (IEC61508)/ PLE (ISO13849).
4. How many pole connections are listed for the module interface?
The module has 1x 40-pole as listed in the provided information.
5. Does the module include diagnostic alarm?
Yes, it is specified as a fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm.


