Rockwell Automation 1771-QDC PLASTIC MOLD.MODULE User Manual
Page 17

Preface
P–3
Publication 1771-6.5.88 – May 1997
product or are commonly used throughout this manual.
We use an abbreviated catalog number or name when referring to
Allen-Bradley equipment or software:
Abbreviated Name:
Item:
ERC
Expert Response Compensation
PanelView
Color display
PanelView Operator Interface Terminal (2711-KC1)
PLC Processor
PLC-5 Programmable Controller
Pro-Set
600 Software
Pro-Set 600 Injection Molding Operator Interface
Software (6500-PS600)
Pro-Set
700 Software
Pro-Set 700 Software (6500-PS700)
QDC module
1771-QDC Plastic Molding Module
The following table presents other symbols and terms we commonly
use throughout this manual:
Symbol/Term:
Definition:
≤
is equal to or less than
<
is less than
>
is greater than
A-B
Allen-Bradley
A/D
analog to digital
BTR
Block-transfer Read
BTW
Block-transfer Write
Command Block
Data downloaded from the PLC data table to the QDC module
to make configuration changes or to initiate machine actions
Configuration Block Subset of command blocks containing machine-specific
setpoints
D/A
digital to analog
Direct Acting Valve
An analog control valve that delivers increasing velocity or
pressure with increasing signal input
FF
Feed Forward
F-to-T
False to True
in.(mm)/s
inches (millimeters) per second
I/O
Input/Ouput device
ISA
Instrument Society of America
PID
Proportional-Integral-Derivative
Profile
A group of mold/part setpoints which define a given machine
operation to the QDC module
Profile Block
Command block containing mold/part setpoints
RFU
Reserved for future use