rotork IQ Range - Page 28

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28 IQ3 Full Configuration Manual – Section: Settings
Remote Control
Analogue
Pakscan
Profibus
HART
Modbus
Extra I/O
HART
Address 0
Set Low Signal
Set High Signal
Lower Range 0
Upper Range 10000
1/5
The HART Control option settings page is shown above
with its default settings. HART is a control option, refer to
wiring diagram.
For HART control option, other related settings are required,
refer also to:
2.3.2-4 Positioning
2.3.2-5 Auxiliary Mask
1/5 Address
The HART option must be allocated a unique address in the
HART system. Changes made to this parameter will take effect
immediately. The range of address is 0 – 63 (default 0).
To change, . The set address will be indicated.
2/5 Set Low Signal
The actuator must be calibrated to the Low analogue signal
value. By measuring this signal it will then be able to control the
actuator by moving it to the Set Low Signal position, refer to
2.3.2-4 Positioning.
APPLY THE LOW ANALOGUE SIGNAL and select the
signal will be measured and used to send the actuator to
the set Low signal position.
3/5 Set High Signal
The actuator must be calibrated to the High analogue signal
value. By measuring this signal it will then be able to control the
actuator by moving it to the Set High Signal position, refer to
2.3.2-4 Positioning.
APPLY THE HIGH ANALOGUE SIGNAL and select the
signal will be measured and used to send the actuator to
the set High signal position.
2.3.2-9 Control – Remote – HART
4/5 Lower range
Range 0% to 100% open positions.
Used to set the position the actuator will move to when the
low analogue signal is applied for HART control. Normally this
will be set at Closed Limit position (0%), unless positioning is
required over a reduced portion of full valve travel, for example,
to prevent full closure where valve throttling is required.
To change, . The slider control will indicate the
position the actuator will move to when the HART low
signal is applied.
5/5 Upper Range
Range 0% to 100% open positions.
Used to set the position the actuator will move to when the
High analogue signal is applied for HART control. Normally this
will be set at Open Limit position (100%), unless positioning is
required over a reduced portion of full valve travel, for example,
to increase positioning resolution for a butterfly valve where
positioning is required from Closed Limit position to 60% open
position.
To change, . The slider control will indicate the
position the actuator will move to when the HART high
signal is applied.