S7-300 Module data
14 Manual, 06/2017, A5E00105505-AJ
1.1 Standards and approvals
Introduction
Contents of general technical data:
● standards and test values satisfied by modules of the S7-300 automation system
● test criteria of S7-300 modules.
Note
Information on the nameplate
You will find the current labels and approvals on the nameplate of the respective
modules.
Safety guidelines
Personal injury and damage to property may occur.
In potentially explosive environments, there is a risk of injury or damage if you disconnect
any connectors while the S7-300 is in operation.
Always isolate the S7-300 operated in such areas before you disconnect and connectors.
If you replace components, compliance with Class I, DIV 2 may become invalid.
The S7-300 module is only suitable for use in Class I, Div. 2, Group A, B, C, D, or in non-
hazardous areas.