Moog ACV with CANopen bus interface
1 General information
Abbreviations
B99224-DV018-D-211, Rev. A, October 2018
6
1.6.3 Servo valve position and stage names
Figure 2: Servo valve position and stage names
1.7 Abbreviations
T
P
B
A
X
Y
T
P
B
A
Spool position
Pilot position
Main stage position
s
u
s
u
s
u
Spool position
Pilot
Main stage
Main stage
Dual stage servo valve
Single stage servo valve
Abbreviation
Explanation
AC
Alternating Current
CAN
Controller Area Network
CANopen
ISO/OSI Layer 7 protocol, specified by CAN in Automation (CiA)
CiA
CAN in Automation
COB-ID
Communication Object Identifier
DC
Direct Current
DCV
Moog Digital Control Valve
DSM
Device State Machine
DSP
Digital Signal Processor
EDS
Electronics Datasheet, containing a description of the CANopen object dictionary
EEPROM Electrically
erasable programmable read-only memory
iR
Internal resolution defined by CiA 408
ISO
International Engineering Consortium
LED
Light Emitting Diode
LVDT
Linear Variable Differential Transformer used to measure the valves spool position
NMT
Network management according CANopen
NS
Network Status
OD
Object Dictionary
OSI
Open Systems Interconnection
P
Proportional gain element
PD
Proportional derivative element
PDO
Process Data Object
PE
Protective earth / Electrical grounding
PPT1
Proportional first order lag element
ro
Read only
rw
Read write
RxPDO
Receive Process Data Object
Table 1: Abbreviations (part 1 of 2)
