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Product information
SIMATIC S7 digital input SM 326 provides fail-safe digital input for SIMATIC S7 F-systems; part number 6ES7326-1BK02-0AB0 includes diagnostic alarm and supports up to category 4 (EN 954-1)/ SIL3 (IEC61508)/ PLE (ISO13849), 1x 40-pole.
Detailed Parameters
Product family:SIMATIC S7
Module:digital input SM 326
Fail-safe function:fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm
Signal type:digital input
Input voltage:24 V DC
Number of digital inputs:24x
Safety capability (standards/levels):up to category 4 (EN 954-1)/ SIL3 (IEC61508)/ PLE (ISO13849)
Connector/pole configuration:1x 40-pole
Part type:spare part
Engineering Context
Use the SIMATIC S7 digital input SM 326 as a fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm.
The module is specified for 24 V DC digital input signals and provides 24x channels.
Safety performance is stated as up to category 4 (EN 954-1)/ SIL3 (IEC61508)/ PLE (ISO13849).
FAQ
1. What is the module type for part number 6ES7326-1BK02-0AB0?
It is a digital input SM 326 for SIMATIC S7.
2. For which system type is the input module intended?
It is intended for fail-safe digital input for SIMATIC S7 F-systems.
3. What input voltage and channel count are specified?
The module is specified for 24 V DC and 24x digital inputs.
4. Does the module include diagnostic alarm?
Yes, it is specified as fail-safe digital input for SIMATIC S7 F-systems with diagnostic alarm.
5. What safety capability is stated for this module?
It is specified as up to category 4 (EN 954-1)/ SIL3 (IEC61508)/ PLE (ISO13849).
6. How many poles does the module interface have?
It is specified as 1x 40-pole.





