Operation Manual - Hobart 2400 Compact Power – 120 / 140 / 180 kVA
Transport and Installation
Document no. 578.430AB
Page 26 of 75
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Key reader, bridge, cable drum etc. via GPU enable. Please refer to Fig. 4.9.1 for connection.
The input can either be supplied from the AXA 2400 as shown below or supplied from an
external supply as the input Terminals X1 (7&8) are insulated. Acceptable input range: 24 Volt
± 20%.
•
Indications
Lamps for GPU On, Interlock Present, Aircraft Connector inserted signal present, GPU Ready &
Common Error
Fig. 4.9.1 Example of wiring for external control via the I/O terminal
From the factory, the jumper SW3 is set to position –IO which connects the internal minus to the
common reference. If the +24 is wanted as reference, the jumper is moved to +IO.
Note!
Terminal block X2 is identical to terminal block X1, except for the GPU enable signal, which is not
present at X2. All other connections can be made as shown above.
Note!
For Dry Contact relays please refer to
(Optional - see section 11)
Contacts V
max
= 50 V AC/DC and I
max
= 2 A
OM2252
Rev 0 December 15 2016
