Pilz PSENvip RL D P Manual de usuario descargar pdf (Pagina 126)

10.2 Communication with the safety system

10 System Connections

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10-4

Program example for communication between the PSENvip and a safety

system from the automation system PSS 4000:

Systemanbindung_PSS4000_Beispiel

FUNCTION_BLOCK PSENvipCom

VAR_INPUT

bStartToolChangeE0 : SAFEBOOL; // Start signal for the communication from

PSENvip

bValidToolChangeE1 : SAFEBOOL; // Tool value from PSENvip is valid

bToolTypeE2 : SAFEBOOL; // Tool value Bit 0 from PSENvip

bToolTypeE3 : SAFEBOOL; // Tool value Bit 1 from PSENvip

uiToolTypeCNC : SAFEUINT; // Tool value from the CNC

END_VAR

VAR_OUTPUT

bAcknowledgeToolChangeA0 : SAFEBOOL; // Acknowledge signal for the communication

from PSS4000

bAcknowledgeToolTypeA1 : SAFEBOOL; // Tool value Bit 0 from PSS4000

bAcknowledgeToolTypeA2 : SAFEBOOL; // Tool value Bit 1 from PSS4000

END_VAR

VAR

RisingFlagE0 : R_TRIG; // FUNCTION block rising edge for Signal E0

RisingFlagE1 : R_TRIG; // FUNCTION block rising edge for Signal E1

bComEnd : BOOL; // End of communication

bToolchangeFlag : BOOL; // Rising edge for start of the communication

bToolValidFlag : BOOL; // Rising edge for valid tool from PSENvip

bStartCom : BOOL; // Start communication

bToolValid : BOOL; // Tool from PSENvip is valid

uiToolTypePSENvip : SAFEUINT; // Tool type from PSENvip

END_VAR

// Communication between PSENvip and PSS4000

CAL RisingFlagE0(

clk := bStartToolChangeE0,

q => bToolchangeFlag

)

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Pilz PSENvip RL D P Manual de usuario Pagina 126