Siemens Simatic S7-1500H - Use of S7-1500 R;H in Zone 2 Hazardous Area

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 Tolerance range
24V DC 19.2 VDC to 28.8VDC
1)
1)
Static value: Generation as protective extra-low voltage with safe electrical isolation in accordance
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).
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Technical specifications
15.6 Use of S7-1500R/H in Zone 2 hazardous area
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD