Spirax Sarco SP7-10 - Specific Control Parameters; P7.4 GOPULSE^: Go Pulse (Up); P7.5 GOPULSEv: Go Pulse (Down)

IM-S51-07 CTLS Issue 1
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SP7-10, SP7-11, SP7-12 and SP7-20, SP7-21, SP7-22 Parameterization
Important
All control parameters are determined in an optimum way for most actuators during Autoadjust. Changes should only be made when
Autoadjust cannot be executed, or control stability cannot be achieved.
The positioner issues an amplified positioning signal for the defined pulse length and with the actuator not moving, in order to achieve
accelerated starting of the actuator. This improves the dynamic; in particular, for small setpoint changes. To compensate for existing
dissymmetry in the controlled system, the go pulse should be set separately for both directions (up/down). If the actuator consistently
overshoots the setpoint, decrease the go pulse. For small and fast actuators, it may be necessary to set the go pulse to 0, even if
Autoadjust has determined a higher value.
Important
The value determined by Autoadjust should not be increased, as this may result in overshooting!
You can use parameter GOPULSE DN to move the go pulse for adjustment towards 0 %.
3.19 P7.4 GOPULSE^ Go pulse (up)
Important
All control parameters are determined in an optimum way for most actuators during Autoadjust. Changes should only be made when
Autoadjust cannot be executed, or control stability cannot be achieved.
The positioner issues an amplified positioning signal for the defined pulse length and with the actuator not moving, in order to achieve
accelerated starting of the actuator. This improves the dynamic; in particular, for small setpoint changes. To compensate for existing
dissymmetry’s in the controlled system, the go pulse should be set separately for both directions (up/down). If the actuator consistently
overshoots the setpoint, decrease the go pulse. For small and fast actuators, it may be necessary to set the go pulse to 0, even if
Autoadjust has determined a higher value.
Important
The value determined by Autoadjust should not be increased, as this may result in overshooting!
You can use parameter GOPULSE UP to move the go pulse for adjustment towards 100 %.Input value: In 20 ms increments
3.20 P7.5 GOPULSEv Go pulse (down)