Use Of The S7-1500 In Zone 2 Potentially Explosive Atmospheres - Siemens SIMATIC S7-1500 System Manual

Rated voltage for operation
The S7-1500 automation system works with the rated voltages and corresponding tolerances
listed in the following table.
Note the supply voltage of each module when selecting the rated voltage.
Table 16- 10 Rated voltage of all modules of the S7-1500 automation system, for operation
rated voltage
24 VDC
48 VDC
60 VDC
120 VAC
230 VAC
1
16.6

Use of the S7-1500 in Zone 2 potentially explosive atmospheres

See product information Deployment of the modules in zone 2 potentially explosive
atmospheres (http://support.automation.siemens.com/WW/view/en/19692172).
S7-1500 Automation System
System Manual, 02/2014, A5E03461182-AB
16.6 Use of the S7-1500 in Zone 2 potentially explosive atmospheres
Static value: Creation as functional extra-low voltage with safe electrical isolation in accordance
with IEC 60364-4-41.
Technical specifications
Tolerance range
19.2 VDC to 28.8 VDC
1
40.8 to 57.6 VDC
51.0 to 72.0 VDC
93 VAC to 132 VAC
187 VAC to 264 VAC
193