Appendix A - Acronyms

AC/DC
alternating current/direct current
A/D
analogue-to-digital
AHJ
authorities having jurisdiction
API
American Petroleum Institute
BCD
binary coded decimal
BMS
burner management system
BNC
Bayonet Neill Concelman
CAD
computer-assisted design
CCTV
closed-circuit television
CEC
Canadian Electrical Code
CEMS
continuous emissions monitoring system
CRTC
Canadian Radio and Telecommunications Council
CSA
Canadian Standards Association
D/A
digital-to-analogue
DCS
distributed control system
DP
differential pressure
EMC
electromagnetic compatibility
EMI
electromagnetic interference
FBD
function block diagram
FLRA
field level risk assessment
H2S
hydrogen sulfide
HART
Highway Addressable Remote Transducer
HMI
Human Machine Interface
IEEE
Institute of Electrical and Electronic Engineering
IL
instruction list
I/O
input/output
I/P
current-to-pneumatic
IR
infrared
ISA
International Society of Automation
JSHA
job safety hazard assessment
LD
ladder diagram
LOPA
layers of protection analysis
LVDT
linear variable displacement transformer
MCC
motor control centre
MIMO
multiple input multiple output
MISO
multiple input single output
MOC
Management of Change
MTU
master terminal unit
NERC
North American Electric Reliability Corporation
OH&S
Occupational Health and Safety
ORP
oxidation reduction potential
OSI
open systems interconnection
PI
proportional-integral
PID
proportional-integral-derivative
P&ID
process and instrumentation diagram
PD
positive displacement
P&C
process and control
PLC
programmable logic controller
PPE
personal protective equipment
psi
pounds per square inch
PTFE
polytetrafluoroethylene
PVC
polyvinyl chloride
RC
resistance/capacitance
RFID
radio frequency identification
RL
resistance/inductance
RLC
resistance/inductance/capacitance
RTD
resistive thermal device
RTU
remote terminal unit
SAC
stand-alone controller
SAMA
Scientific Apparatus Makers Association
SCADA
supervisory control and data acquisition
SCBA
self-contained breathing apparatus
SFC
sequential function chart
SIL
safety integrity level
SIF
safety instrumented functions
SIS
safety instrumented system
ST
structured text
STP
shielded twisted pair
SWP
safe work practices
TAPPI
Technical Association for the Pulp and Paper Industry
TCP/IP
Transmission Control Protocol/Internet Protocol
TDG
transportation of dangerous goods
UPS
uninterruptible power supply
USB
Universal Serial Bus
UTP
unshielded twisted pair
UV
ultraviolet
UV/IR
ultraviolet/infrared
VFD
variable frequency drive
VSD
variable speed drive
WHMIS
Workplace Hazardous Materials Information System
WLL
working load limit