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Electrical and Process Control
Engineering Projects
Whether it's process control, mechanical engineering, piping
design, CAD operators, or most any engineering discipline, our
experienced personnel work closely with staff engineers and plant
personnel to help complete projects on-time and within budget.
Here are some of the projects STS personnel have completed... |
Mechanical Engineering |
CAD |
Piping Design |
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Casepacker Controls Upgrade |
Client:
Confidential Client |
Scope:
Upgrade PLC 5/40 logic to improve glue placement
on cases and replace existing QuickPanel HMI with
PanelView HMI. |
Services Provided:
Developed all PanelView graphics to allow
installation of three PanelViews on machine;
modified Allen Bradley PLC 5/40 ladder logic,
including logic required to operate PanelView
screens, glue control logic and interface to new
programmable limit switch. Provided check-out and
start-up support. |
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MACT
Emissions Reporting Software |
Client:
Cytec Carbon Fibers, LLC |
Scope:
Automatic reporting and historization of
conditions that could result in emission of
process gases into the atmosphere. |
Services Provided:
Designed Honeywell TDC-3000 logic required to meet
reporting requirements; wrote Application Module
Control Language (AM/CL) programs and Custom Data
Segment (CDS) packages for carbon fiber facility
emissions detection and reporting system; provided
check-out and start-up support. |
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Dust
Scrubber Installation and PLC Upgrade |
Client:
Confidential Client |
Scope:
Installation of new dust scrubber in existing
process area and replacement of existing PLC 2/30
with a Rockwell ControlLogix PLC. |
Services Provided:
Wrote and led review of functional specification
for dust scrubber system; assisted in replacement
of PLC 2/30 and two I/O racks with new Rockwell
Automation ControlLogix processor and I/O racks;
configured new analog I/O modules and wrote all
ladder logic required to implement a PID level
control loop in the ControlLogix processor;
provided check-out and start-up support. |
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Heat
Recovery On Two Paper Machines |
Client:
Confidential Client |
Scope:
Provide substantial cost savings by installing
heat recovery systems. |
Services Provided:
Designed system and equipment layout; coordinated
demolition of existing equipment, including the
abatement and disposal of hazardous materials;
provided pre-work planning and installation of new
equipment during machine shutdowns; supervised
contractors; provided check-out and start-up support. |
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Paper
Machine Breast Roll Replacement |
Client:
Confidential Client |
Scope:
Install an improved type of breast roll and
associated control modifications on an existing
paper machine. |
Services Provided:
Wrote Honeywell TDC-3000 APM/CL programs for paper
machine breast roll separator control and primary
screen control; rewrote an existing Honeywell APM/CL
Serial Interface program to increase program
execution speed and eliminate SI write errors;
wrote Honeywell TDC-3000 AM/CL program for paper
machine fan pump ramp to drool and ramp to
setpoint control; modified Modicon 984 ladder
logic as required for new breast roll and
interface to new DCS logic; provided check-out and
start-up support. |
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Paper
Machine Automatic Edge Guiding System |
Client:
Confidential Client |
Scope:
Install a PC-based machine vision system to detect
the edge of the paper sheet; install electric
actuators to trim the edge of the paper with a
water jet; develop Honeywell TDC-3000 software and
graphics to provide an operator interface to the
edge guiding system. |
Services Provided:
Designed and implemented all Honeywell TDC-3000
programs, logic and graphics required for control
of, and interface to, the PC-based machine vision
system; wrote an AM/CL program to perform edge
guiding and sheet width calculations and allow the
operator to change the mode of the edge guiding
system, make adjustments to the actuators and
modify calibration parameters; provided check-out
and start-up support. |
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