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Local Control Special Modes
There are various special local control modes that can be configured for the IQ3 actuator. Rotork Service
Engineer use only.
External Local\Remote Switch: An external local/remote switch will be used to switch modes instead of
the local control knob.
Allow Remote Commands In Local: This allows remote controls to operate the actuator whilst it is in
local control mode.
Allow Remote Commands In Local Plus External Local\Remote Switch: Remote control commands can
operate the actuator whilst it is in local control mode. To switch between local and remote modes an
external local/remote switch will be used instead of the local control knob selector.
Remote selection of Remote/Local via Relays DO5 and DO6 write.
Local Qualification time (sec)
This is where the local qualification time in seconds can be viewed and set. The local qualification time
of the actuator is how long a local control signal must be present before the actuator will accept that
signal and respond accordingly. Rotork Service Engineer use only.
Local Controls Action on Network Comms Loss
This setting specifies the reaction of the actuator during a network communications loss condition.
Rotork Service Engineer use only.
Local Controls Selector Control
This setting specifies the local control selector controlling element. Rotork Service Engineer use only.
Aux1 Indicates Local Controls Selector in Remote
This setting reassigns Aux1 as remote indication of the local controls selector state. Rotork Service
Engineer use only.
6.3.5 Special Mode Configuration
Special Mode Setup
Refer to the full IQ3 configuration manual for more information on special operating modes. Rotork
Service Engineer use only. The special modes available are:
Special Modes Disabled: This setting is for standard operation and feedback. (Default)
Fetterolf Mode Enabled: This enables the Fetterolf operating mode.
Velan Mode Enabled: This enables the Velan operating mode.
Velan Mode with Reset Enabled: This enables the Velan operating mode with the reset function
available (must be used in conjunction with the optional Digital Input / Output card).
Velan Switch Compensation
Adjust the Velan switch compensation function when Velan reset is enabled. Rotork Service Engineer
use only.
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