Specifications

29
5 HMI interface
This group gathers all DFB Input/Output type variables exchanged between PLC and SCADA/HMI, for the
device considered.
Param (Structure)
Auto_Man Command to set the block in Auto or Manu
Run_Stop Command to run or stop the pump
Clear_Fault Command to acknowledge internal and external errors indicated at the output Error.
Acknowledgement is done with a rising edge.
Clear_warning Command to acknowledge starter warning.
Acknowledgement is done with a rising edge.
Speed_Setpoint Setpoint for motor speed in Manual mode.
Speed_Output Output speed from the variable speed drive
Meas Object to congure in I/O scanner and to display on HMI (eg: current,
power consumption,…)
Nb_start Number of starts performed in the last 24 hours, displayed on HMI
(calculated value)
Min_time_stop Mimimum time between stop and start
Discrepancy_time Time minimum between a command and the right feedback
Time_to_start Time before the motor restart, calculated when the Param_Min_time_stop<>0
Sts_Auto Automatic mode is activated. The process sequence manages the motor
Sts_Manual Manual mode is activated. The commands come from HMI or SCADA.
Sts_Local Manual mode is activated. The commands are hardwired.
Sts_Off Off mode.The power of starter is off.
Sts_Locked Indicates that the operation is blocked by an interlock (input Lock)
Sts_Error Indicates that the operation is blocked by an internal or external (Input Err) error,
which is not acknowledged.
Sts_TimerProtect Number start control is activated (Nb_start_day <>0) and the max starts number
is reached.
Sts_Ready Starter ready to switch on
Sts_Run The motor is running (Status from starter)
Sts_Fwd Motor running in positive direction
Sts_Bwd Motor running in negative direction
Sts_Estop Starter emergency stop activated
Sts_ExtErr External error from the process or the system
Sts_NoVoltage_Err No voltage on starter
Sts_Closed Contactor closed
Sts_Tripped Protection tripped
Sts_Butt_On Button position “ON”
Sts_Butt_Trip Button position “TRIP”
W_Thermal Thermal warning
W_Module Module warning
Sts_Ext_Err External error from the process or the system
Sts_Discrepancy_Err Discrepancy error. The discrepancy control is activated ( Discrepancy_time<>0 ).
Name Motor name & location
Note: Information in bold italic depends on starter type.
3-Application design
Software design
DFB design
(cont’d)