Preface, Command blocks – Rockwell Automation 1771-QDC, D17716.5.93(Passport) PLASTIC MOLDING MODULE User Manual
Page 10

Preface
P-3
Command Blocks
Command blocks provide the parameters that control machine operation.
They are transferred from the PLC-5 processor to the QDC module by
means of block transfer write (BTW) instructions in software ladder logic.
Command block abbreviations are:
Acronym:
Description:
MCC
Module Configuration Command Block
JGC
Jog Configuration Command Block
FCC
First Clamp Close Configuration Command Block
SCC
Second Clamp Close Configuration Command Block
TCC
Third Clamp Close Configuration Command Block
LPC
Clamp Low Pressure Close Configuration Command Block
CFC
Clamp Close Profile Command Block
INC
Injection Configuration Command Block
IPC
Injection Profile Command Block
PKC
Pack Configuration Command Block
HDC
Hold Configuration Command Block
HPC
Pack/Hold Profile Command Block
PRC
PreĆdecompression Configuration Command Block
PLC
Plastication Configuration Command Block
PPC
Plastication Profile Command Block
PSC
PostĆdecompression Configuration Command Block
FOC
First Clamp Open Configuration Command Block
SOC
Second Clamp Open Configuration Command Block
TOC
Third Clamp Open Configuration Command Block
OSC
Clamp Open Slow Configuration Command Block
OPC
Clamp Open Profile Command Block
EAC
Ejector Advance Command Block
ERC
Ejector Retract Command Block
EPC
Ejector Profile Command Block
DYC
Dynamic Command Block
RLC
Inject ERC Values Command Block
CLC
Clamp and Eject ERC Values Command Block