4 Initialization and zero calibration of the positioner
Both an initialization and a zero calibration can be started over the XD_COMMAND parame-
ter of the AO Transducer Block. The relevant parameters for a MAX/NOM initialization and the
diagnostic functions of EXPERTplus are listed below (also refer to EB 8389 EN):
4
APPLICATION_TYPE_OC_CONTROL (type of application)
4
INIT_METHOD (initialization method)
4
TRANS_PIN_POS (pin position)
4
RATED_TRAVEL (required rated travel for NOM initialization)
4
PRESSURE_LIMIT (setting of pressure limit)
4
SELECT_EMERGENCY_MODE (setting when the travel sensor is defective)
4
DEVICE_CHARACTERISTIC (settings for actuator and other accessories)
MODEL (actuator with or without spring return)
BOOSTER (pneumatic volume booster)
STUFFING_BOX (packing to seal the plug stem)
XD_COMMAND ("Start Initialization")
XD_COMMAND_STATE (initialization status)
Note: Read the corresponding section on starting up the positioner in the Mounting and Op-
erating Instructions EB 8384-5 EN.
12 KH 8384-5 EN
Initialization and zero calibration of the positioner
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