Veneer and
Plywood Industry
COASTLAND
WOOD INDUSTRIES LTD.
.....................................................1999 -
2000
Veneer
Plant, Nanaimo, BC
Second
Log Processing Line for existing Veneer Plant
-
Stem
bucking, log debarking (Nicholson) and high speed block sorting by
diameter
-
Upgraded
Allen-Bradley PLC 5/40E with three QB modules
-
Two
step feeders controlled by linear positioners
-
Two
Panelmates used for motor control, diagnostics and system
configuration
-
Extensive
use of Block I/O modules to reduce field wiring costs
-
Supplied
all control equipment including two operator booths
-
Several
VFD’s and soft-starters controlled by PLC
-
Project
management and mechanical design by Stolberg Engineering Ltd.
CIPA
LUMBER.
...................................................................................................1998
- 1999
Veneer
Plant, New Westminster, BC
Dryer
#2 Controls
-
Upgraded
an existing Dryer (controlled with hardwired controls) to a new Mitsubishi
PLC
-
Mitsubishi
HMI touch-screens used for operator interface
-
Dryer
infeed and outfeed controls were consolidated with dryer controls
into one PLC program
Log
Deck PLC Program Revisions
Dryer
#2 Accumulator
COASTLAND
WOOD INDUSTRIES LTD......................................................
1996 - 1999
Veneer
Plant, Nanaimo, BC
-
Retrofit
existing Lathe Charger with hydraulic servo valves and QB modules
controlling nine (9) hydraulic positioners, resulting in a 20%
increase in throughput and much smoother operation
-
Installed
new X-Y laser scanning system and Halco optimizing
software on Lathe Charger
-
New
Catch-up tray control program to increase throughput
-
Upgrade
two (2) existing Allen-Bradley PLC 2/30 processors on
Lathe and Green End to a single Allen-Bradley PLC 5/40E processor
for entire Veneer Mill
-
New
touch-screen Operator Interface in Lathe Booth complete with Veneer
Peeling Line Interface software
-
Production
and downtime reporting using Microsoft Excel and RS Linx
-
Based
on a Windows NT platform, a new Ethernet network was used to connect
PLC, X-Y computer, Programming / Maintenance computer and Operator
Interface computer.
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