FOREWORD
Phrases, Abbreviations and Acronyms - Continued
Phrase, Abbreviation or
Acronym
Meaning
Hex
Hexadecimal Number (0 - 9, A - F)
Hz
Hertz (Cycles Per Second)
INTLK Interlock
I/O Input/Output
I/O Box
Input/Output (I/O) Box currently used on all Benchmark and KC Series
products
IP Internet
Protocol
ISO Isolated
LSB Least
Significant
Byte
LSD Least
Significant
Digit
MA (mA)
Milliampere
MAX (Max)
Maximum
MIN (Min)
Minimum
Modbus®
A serial, half-duplex data transmission protocol developed by AEG Modicon
MSB Most
Significant
Byte
MSD Most
Significant
Digit
MS/TP
Master-Slave/Token-Passing (usually over RS485 networks)
OFFS Offset
OUTD Outdoor
PTP
Point-to-Point (usually over RS232 networks)
REF (Ref)
Reference
Response Time
The maximum amount of time allowed to receive a response to a request
RS232
(or EIA-232)
A standard for serial, full-duplex (FDX) transmission of data based on the
RS232 Standard
RS422
(or EIA-422)
A standard for serial, full-duplex (FDX) transmission of data based on the
RS422 Standard
RS485
(or EIA-485)
A standard for serial, half-duplex (HDX) transmission of data based on the
RS485 Standard
RTN Return
RTU
Remote Terminal Unit
SEN Sensor
SETPT (Setpt)
Setpoint Temperature
SHLD (Shld)
Shield
SLTA Serial
LonTalk
Adapter
SYS System
TEMP (Temp)
Temperature
Terminating Resistor
A resistor placed at each end of a daisy-chain or multi-drop network in order
to prevent reflections that may cause invalid data in the communication
VAC
Volts, Alternating Current
VDC Volts,
Direct
Current
VFD Vacuum
Fluorescent
Display
ii
Summary of Contents for BOILER MANAGEMENT SYSTEM II 5R5-384
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Page 16: ...INSTALLATION ...
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Page 32: ...OPERATION Figure 3 2 BMS II Menu Structure 3 4 ...
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Page 73: ...APPENDIX E E 1 APPENDIX E _____________________________ BMS II WIRING DIAGRAM ...
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