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IM-S51-07 CTLS Issue 1
SP7-10, SP7-11, SP7-12 and SP7-20, SP7-21, SP7-22 Parameterization
3.10.4 SPRNG_Y2 – Spring action (Y2)
CAUTION
Risk of injury!
Incorrect entries may result in the actuator traveling to a mechanical stop at full speed.
Use this parameter to specify the end position to which the reset spring of the pneumatic actuator drives the valves and fittings in the
event that the power supply fails. The corresponding end stop is determined during Autoadjust. If, however, only the controller data are
determined (STANDARD, see parameter ADJ_MODE), the spring action must be entered manually. Select the direction of rotation of
the sensor shaft (looking at the open housing) for when the safe position is approached as a result of the spring force (actuator exhausts
via OUT1). For double-acting actuators, the spring action has the same effect as ventilating the pneumatic output OUT2.
CLOCKW Stop reached turning clockwise
CTCLOCKW Stop reached turning counterclockwise
3.10.5 DANG_DN – Dead Angle Close
Use this parameter to cut off the unusable range of the valve flow characteristic curve from the point of view of control. The Dead Angle
Close is a percentage of the operating range to which the valve is moved if the input signal is 4.16 mA.
3.10.6 DANG_UP – Dead Angle Open
Use this parameter to cut off the unusable range of the valve flow characteristic curve from the point of view of control. The Dead Angle
Open is a percentage of the operating range to which the valve is moved if the input signal is 19.84 mA.
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