SPA Actuator with Intelli-Motion™ Technology Manual R00
May 2022
Page 28 of 48
SMART Actuator Implicit / I/O Messaging Data Structures
Actual Order/Type
Target to Originator (FEEDBACK MESSAGE)
60 Bytes/SINT Total
Byte Order: LSB
Data Type
Name
Eng Unit
Min
Max
Description
StartIndex(byte)
DINT
Total_Cycles
counts
0
2147483647 Number of cycles the actuator has
travelled
0
DINT
Total_Inches_
Travelled
inches
0
2147483647 Total number of inches the
actuator has travelled
4
INT
Active_Retract_
Limit
64th inches
0
-
Value of the currently active
retract limit
8
INT
Active_Extend_
Limit
64th inches
-
stroke length Value of the currently active
extend limit
10
INT
Current_Position
64th inches
0
stroke length Amount the actuator has extended
from its fully retracted position
12
INT
Current_Frequency Hz x 100
3000
(30Hz)
11000
(110Hz)
Motor/VFD Frequency during
movement
14
INT
Current_Load_
Capacity
lbs
-
Full load
capacity
Maximum load at the current
frequency
16
INT
Lower_Frequency_
Limit
Hz x 100
3000
(30Hz)
11000
(110Hz)
Lower frequency limit
18
INT
Upper_Frequency_
Limit
Hz x 100
3000
(30Hz)
11000
(110Hz)
Upper frequency limit
20
INT
Stroke Length
64th inches
stroke length in 64th
inches
Maximum extension length
22
INT
Full_Load_
Capacity
lbs
-
-
Maximum full load capacity
24
INT
Load_Capacity_at_
120Hz
lbs
-
-
Maximum load capacity at 120Hz
26
INT
Maximum_Speed_
Full_Load_Capacity
Hz x 100
-
-
Maximum speed with full load
28
INT
ABS_Lower_
Frequency_Limit
Hz x 100
-
-
Lowest frequency the actuator or
speed limits can be set
30
INT
ABS_Upper_
Frequency_Limit
Hz x 100
-
-
Highest frequency the actuator or
speed limits can be set
32
INT
Motor_Temp
Celsius
-
-
Measured internal motor
temperature
34
INT
Motor_Voltage
V
-
-
VFD output voltage
36
INT
Bus_Voltage
V
-
-
VFD DC bus voltage
38
INT
Motor_Current
A x 100
-
-
Motor current
40
INT
Velocity_at_60Hz
ips x 100
-
-
Nominal full speed of the actuator
at 60Hz
42
INT.bits
StatusBits
44
bit0
VFD_Enabled n/a: bool
0
1
VFD enabled status
bit1
Extending n/a: bool
0
1
Actuator executing an extend
movement