Rockwell-automation 1503VC IntelliVAC Plus Contactor Control Module Uživatelský manuál stáhnout pdf (Strana 43)

4-16 Description of Features

1503-UM054C-EN-P – June 2013

The IntelliVAC Plus is adaptable to a range of atmospheric pressures

and altitudes. This should eliminate the need for special return springs

within the contactors, by regulating the coil current to apply the

appropriate closing, holding and opening force.

The range of altitudes covered is: –1,000 → 5,000 metres

In this case, a simple “altitude parameter” will be used to adapt the

contactor closing force. The parameter would be settable, between –

1,000 and 5,000 metres, with a display resolution of 1000 metres.

The IntelliVAC Plus provides for altitude set-up in discrete settings,

via DIP switches on the IB unit as follows:

-1000 → 0000 meters

0001 → 1000 meters

1001 → 2000 meters

2001 → 3000 meters

3001 → 4000 meters

4001 → 5000 meters

The altitude setting is one of the parameters used to determine the

contactor coil current values.

The Altitude parameter will not be settable on DeviceNet, but only

configured through the DIP switches on the IB unit(s) and will be

viewable on DeviceNet as follow s:

‘Altitude = ‘ ‘-1000 to 0000m’ or ‘0001 to 1000m’ or ‘1001 to

2000m’ or ‘2001 to 3000m’ or ‘3001 to 4000m’ or ‘4001 to 5000m’

In an MC topology, if the Altitude and settings from the DIP

switches from the two or more IB units are not consistent, then a

warning will be indicated. The warning will be indicated as in Table

4.F. In this situation, the following message will be displayed on

DeviceNet:

‘MC Altitude Set Warning’

Operations Counter The IntelliVAC Plus includes a counter that tracks the number of

contactor operations. The following sub-registers shall be associated

with the Operations Counter:

‘Master’ Counter

‘Operations Since’ Counter

‘Average Operations’ Counter

Altitude/Air Pressure

Compensation (400A

Contactors)

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Rockwell-automation 1503VC IntelliVAC Plus Contactor Control Module Uživatelský manuál Strana 43