Siemens SIMATIC Manual page 98

Abbreviations and Acronyms
Abbr./Acronym Explanation
LMNR_LS Lower limit stop signal of the position feedback signal
LMNS_ON Activate manual mode for actuating signals
LMNUP Actuating signal up
Load tuned PID parameters
LOAD_PID
MAN Manual value
Activate manual mode
MAN_ON
MTR_TM Motor actuating time [s]
Process order
N_PTN
NOI_PVDT Noise proportion in PVDT_MAX in %
NOISE_PV Absolute noise in process value
Minimum pulse/minimum break time [s]
P_B_TM
P_INF Process value at point of inflection – PV0
Saved PID controller parameters
PAR_SAVE
PER_MODE Periphery mode
Pulse repetition period [s]
PER_TM
PFAC_SP Proportional factor for setpoint changes
PHASE Phase indicator for controller tuning
PI controller parameter
PI_CON
PID_CON PID controller parameter
Activate PID mode
PID_ON
POI_CMAX Maximum no. of cycles after the point of inflection
Number of cycles after the point of inflection
POI_CYCL
PULSE_ON Activate pulse generator
PULSE_TM Minimum pulse time [s]
Actual value
PV
PV_FAC Process value factor
Process value input
PV_IN
PV_OFFS Process value offset
Process value periphery
PV_PER
PV0 Process value at start of tuning
PVDT Current process value rate of rise [1/s]
PVDT_MAX Max. change of process value per second [1/s]
Process value rate of rise at start of tuning [1/s]
PVDT0
Activate process value periphery
PVPER_ON
QC_ACT Continuous controller action will be processed at the next call
High limit of the manipulated variable reached
QLMN_HLM
QLMN_LLM Low limit of the manipulated variable reached
B-2
PID Temperature Control
A5E00125039-02