Siemens Simatic M7-400 Instrukcja Użytkownika Pobierz pdf (Strona 46)

100

101

General Technical Specifications

1-18

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

1.5 Information on Insulation Tests, Protection Class and

Degree of Protection

Test Voltages

Insulation resistance was demonstrated in routine testing with the following test

voltages in accordance with IEC 61131-2:

Table 1-16 Test Voltages

Circuits with Rated Voltage U

to Other Circuits or

Ground

Test Voltage

0 V < U

≤ 50 V 350 V

50 V < U

≤ 100 V 700 V

100 V < U

≤ 150 V 1300 V

150 V < U

≤ 300 V 2200 V

Protection Class

Safety class I to IEC 60536 (VDE 0106, Part 1). In other words, a connection is

required from the protective conductor to the power supply module.

Protection Against Ingress of Foreign Bodies and Water

Degree of protection IP 20 to IEC 60529. In other words, there is protection against

contact with standard probes.

There is no special protection against the ingress of water.

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