Allen-Bradley LOGIX 5000 User Manual

Chapter 7
Equipment Phase Instructions
434 Rockwell Automation Publication 1756-RM006K-EN-P - November 2018
Function Block
This instruction is not available in function block.
Structured Text
PXRQ (Phase_Instruction, External_Request, Data_Value);
Operands
Ladder Diagram
Operand Type Format Description
Phase Instruction PHASE_INSTRUCTION tag Tag that controls the operation.
External Request request enumeration value Type of request.
Data Value DINT array tag Parameters of the request.
Structured Text
The operands are the same as those for the Ladder Diagram PXRQ instruction.
PHASE_INSTRUCTION Data Type
If want to:
Then check or
set this
member:
Data type Notes
Determine if a false-to-true transition caused
the instruction to execute
EN BOOL Refer to the timing diagram below.
Determine if the request failed ER BOOL Refer to the timing diagram below.
To diagnose the error, refer to the ERR and
EXERR values.
Determine if the FactoryTalk Batch software
completed its processing of the request
PC BOOL Refer to the timing diagram below.
Determine if the FactoryTalk Batch software is
processing the request
IP BOOL Refer to the timing diagram below.
Determine if the instruction sent the request
but FactoryTalk Batch software has not yet
acknowledged it
WA BOOL Refer to the timing diagram below.
WA also = 0 if:
• The connection times out
• A network error occurs
• ABORT = 1
Cancel the request ABORT BOOL To abort (cancel) the request, set the ABORT
bit = 1. When the controller aborts the
instruction:
• ER = 1
• ERR shows the result of the abort

Allen-Bradley LOGIX 5000 Specifications

General

Brand	Allen-Bradley
Model	LOGIX 5000
Category	Controller
Language	English