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4 Using the Regenerative Power System
Select the connection mode and auto-connect delay time
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Perform a one-time discovery on the primary - it saves the primary/secondary configuration
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At power-on, the primary can connect to the secondary units automatically or manually
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If the primary/secondary configuration is subsequently changed, it needs to be re-discovered
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Configure each paralleled instrument as either a Primary or Secondary.
Front Panel Menu Reference
Select System\Group\Function
In the dialog box, select either Primary, Secondary, or
None. Then press Select.
If the unit is the primary, a delay may be programmed to allow the secondary units enough time to
boot up before the primary auto-connects to the secondary. If there is a delay in powering up the
secondary units, the primary auto-connect may fail. "None" is for non-paralleled operation. Do not
connect units configured as None to the primary/secondary bus; this may cause a CSF fault.
Front Panel Menu Reference
Select System\Group\Delay
In the dialog box, set the auto-connect delay.
Then press Select.
If the unit is a secondary, each secondary unit must be assigned a unique bus address (from 1 - 19).
Front Panel Menu Reference
Select System\Group\Secondary
In the dialog box, select the address of the secondary unit.
Values can range from 1 - 19. Then press Select.
Specify the primary unit's connection mode.
AUTO - the primary unit will automatically connect to the previously discovered secondary units at
power-on.
MANual - the primary will connect to the previously discovered secondary units when it receives a
connection command from the front panel or from
Front Panel Menu Reference
Select System\Group\Mode
In the dialog box, select the connection mode. Then press
Select.
After the secondary unit address configuration, run "Discover" on the primary unit to initiate
communication with all secondary units. After initial discovery, the discovery process does not need to
be run again unless the primary/secondary configuration changes.
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SCPI Command
To configure the paralleled unit:
INST:GRO:FUNC PRIM|SEC|NON
SCPI Command
To set the auto-connect delay to 10:
INST:GRO:PRIM:DEL 10
SCPI Command
To set the Secondary address to 1:
INST:GRO:SEC:ADDR 1
INST:GRO:PRIM:CONN:MODE
SCPI Command
Set the primary unit's connection mode:
INST:GRO:PRIM:CONN:MODE AUTO
Keysight RP7970 & RP7980 Series Operating and Service Guide
MAN.
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