Use Of S7-1500R/H In Zone 2 Hazardous Area - Siemens SIMATIC S7-1500 System Manual

Rated voltage for operation
The S7-1500R/H redundant system works with the rated voltages and corresponding
tolerances listed in the table below.
Table 15-10 Rated voltage for operation
rated voltage
24 V DC
Static value: Generation as protective extra-low voltage with safe electrical isolation in accordance
1)
with IEC 61131-2 or IEC 61010-2-201.
15.6

Use of S7-1500R/H in Zone 2 hazardous area

Reference
You can find more information in the product information Use of modules in a Zone 2 Haz­
ardous Area (http://support.automation.siemens.com/WW/view/en/19692172).
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD
15.6 Use of S7-1500R/H in Zone 2 hazardous area
Tolerance range
19.2 V DC to 28.8 V DC
Technical specifications
1)
365