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6 firing pulse inhibit, 7 resistance output, 8 trimmer settings – JUMO 709050 IPC IGBT Power Converter IPC 70A Operating Manual User Manual

Page 32: Firing pulse inhibit, Resistance output, Trimmer settings, 5 settings

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5 Settings

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[IGBT Power Converter 70A] 02.08

5.6 Firing pulse inhibit

The firing pulse inhibit function provides a simple way of switching
to high power levels.

A contact between connections 6 and 7 can be used to switch off the load.
The external contact can be a make or break contact, depending on the
position of S105.

k

Factory setting

Factory setting

S105 is in position 1

5.7 Resistance output

When the converter is operating within rated limits, the resistance output has a
voltage of 4 ... 5 V.

5.8 Trimmer settings

The converter has 5 trimmers that can be adjusted by inserting a screwdriver
blade (maximum blade width: 2 mm) through openings in the housing.

V

In order to be able to disconnect a system from the supply voltage,
a circuit-breaker or main switch for all-pole disconnection must be
wired into the supply feed!

External contact

Internal switch S105

Response

Make (a)

Position 1

The Load is permanently
switched off when the contact
is closed

Break (b)

Position 2

The Load is permanently
switched off when the contact
is open