Spirax Sarco SP7-20, Инструкция по установке и обслуживанию, Страница: 31 / 56

IM-P706-03 CTLS Issue 1
31
SP7-20 Smart Positioner
Note: The electrical power supply and supply air pressure data indicated on the name plate must be complied
with during commissioning.
Caution
Risk of injury due to incorrect parameter values!
Incorrect parameter values can cause the valve to move unexpectedly. This can lead to process failures
and result in injuries.
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Before recommissioning a positioner that was previously in use at another location, always reset the
device to its factory settings.
-
Never start automatic adjustment before restoring the factory settings!
4.1 Commissioning the positioner:
1. Open the pneumatic power supply.
2. Power-up the electric power supply and feed in the set point signal 4 to 20 mA.
3. Checking mechanical mounting:
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Press and hold MODE; in addition, press ARROW UP or ARROW DOWN until operating mode 1.3
(manual adjustment in the measuring range) is displayed. Release MODE.
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Press ARROW UP or ARROW DOWN to move the actuator into the mechanical end position; check
the end positions; rotational angle is displayed in degrees; for high-speed mode, press ARROW UP or
ARROW DOWN simultaneously.
4.2 Recommended rotational angle range
Linear actuators −28 to 28°
Rotary actuators −57 to 57°
Minimum angle 25°
4. Perform standard automatic adjustment in accordance with Standard automatic adjustment.
Commissioning of the positioner is now complete, and the device is ready for operation.
4. Commissioning