GE Industrial Solutions AF-600 FP OPCMBTCP Modbus TCP Option - Manual (Page 7)

2.1.4 Modbus Conformance
The Modbus option is tested to conform to the Modbus standards, and is certified, towards conformance test level version 3.
2.1.5 Abbreviations
Abbreviation Definition
API Actual Packet Interval
CC Control Card
CIP Common Industrial Protocol
CTW Control Word
DHCP Dynamic Host Configuration Protocol
EMC Electromagnetic Compatibility
I/O Input/Output
IP Internet Protocol
LED Light Emitting Diode
LSB Least Significant Bit
MAR Major Recoverable fail
MAU Major Unrecoverable fail
MAV Main Actual Value (actual output)
MSB Most Significant Bit
MRV Main Reference Value
N/A Not applicable
PC Personal Computer
PLC Programmable Logic Controller
PNU Parameter Number
REF Reference (= MRV)
RTC Real Time Clock
STP Spanning tree Protocol
STW Status Word
Modbus TCP
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