Moog ACV with CANopen bus interface
7 Servo valve functions
Spool position setpoint conditioning / demand value generator
B99224-DV018-D-211, Rev. A, October 2018
138
7.2.3.1 Object 0x6320: Upper Limit
Chapter "2.4.3 Units and prefix parameter", page 12
7.2.3.2 Object 0x6321: Lower Limit
Chapter "2.4.3 Units and prefix parameter", page 12
7.2.4 Scaling
This function is used to scale the spool position setpoint value, e.g. to influence the input signal's range. The
output signal is calculated by multiplication of the input signal with a scaling factor and a subsequent addition
of an offset according to the following figure.
Figure 57: Scaling function
ValvePositionControl_DemandValueGenerator_Limit
Index
Sub-index
Parameter name
Data type
Access
Per-
sistence
Value range
Default
0x6320
1
UpperLimit
INT16
rw
Y
<LowerLimit>
(0x6321)…32767
16384
0x6320
2
Unit
UINT8
ro
-
UINT8
0
0x6320
3
Prefix
INT8
ro
-
INT8
0
ValvePositionControl_DemandValueGenerator_Limit
Index
Sub-index
Parameter name
Data type
Access
Per-
sistence
Value range
Default
0x6321
1
LowerLimit
INT16
rw
Y
–32768…
<UpperLimit> (0x6320)
–16384
0x6321
2
Unit
UINT8
ro
-
UINT8
0
0x6321
3
Prefix
INT8
ro
-
INT8
0
y
off
y(x)
(output)
x (input)
Spool position
scaling
input
output
<Factor>
(0x6322)
<Offset>
(0x6323)
num:
#Numerator#
den: #Denominator#
y
off
:
<Offset> (0x6323)
den
num
m
num
den
---------------
=
y x
( )
m x y
off
+
⋅
=