AERCO XPC GATEWAY Communications - Manual (Page 4)

GATEWAY COMMUNICATIONS MANUAL
4
EIA Electronic Industries Alliance
EIA-232
(or RS232) A standard for serial, full-duplex (FDX) transmission of data based on the
EIA-232 Standard
EIA-485
(or RS485) A standard for serial, half-duplex (HDX) transmission of data based on the
EIA-485 Standard
EMS Energy Management System
Ethernet A computer networking technology for Local Area Networks (LANs)
FDX Full-Duplex
HDX Half-Duplex
Hex Hexadecimal Number (0 - 9, A - F)
I/O Box Input/Output (I/O) Box currently used on all Benchmark and KC Series
products
IP Internet Protocol
LonWorks A communication protocol developed by the Echelon Corporation for control
applications
LSB Least Significant Byte
MLX Modulex Boiler
Modbus® A serial, half-duplex data transmission protocol developed by AEG Modicon
MSB Most Significant Byte
MS/TP Master-Slave/Token-Passing (usually over RS485 networks)
N2 A communications protocol developed by Johnson Controls
PTP Point-to-Point (usually over RS232 networks)
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
RTU Remote Terminal Unit
SLTA Serial LonTalk Adapter
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
XPC Extended Protocol Converter (manufactured by OEM Ctrl)