Page 35 - Essailec Test Blocks

3. Test phase: Make 4.1 Measurement: test phase - Break

1
3 2

1
Measure

COR-T-R5-2.2

During plug insertion, plug pins make contact with socket When the plug is fully inserted in the
pins (1). Contacts remain closed and the signals flow has socket, inner mobile contacts (2) are
not changed. pushed down by plug’s plastic leads (3)
and the four circuits are opened simul-
taneously. Signals are derived into the
plug towards the test set. The equipment
to be tested is no more energized.
4

3 4.2 Injection or equipment

Test phase: replacement: test phase - Break
Make

Injection
4

4

Test phase: Measure
Break

In a second step or simultaneously, volt-
age injection can be done on the pro-
tection relay side (4).

1SNC169013S0201

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