19
4.0 Structure a n d fun ctio n
4.6.4 Encoder
E design only
Dual hall sensor for incremental position feedback. It out-
puts signals when the actuator is moving outwards and in-
wards respectively. The output signals, channel 1 and 2, are
±90°, see the figure below. The electrical specification as on
the data sheet.
The supply voltage to the encoder must be in the range 4 to
20 V DC.
Fig. 17
Encoder
Hall 1
Hall 2
Hall 1
Hall 2
Signal CCW extension
Signal CW retraction
Resolution: distance between rising edge and falling edge.
4.6.5 Termination resistor integrated
S design
The termination resistor can be integrated in the actuator.
Thus there is no need to connect termination resistor at CAN
circuit.
The termination resistor value is 120 ohm.
4.6.6 Manual Override
Manual override option provides a solution to move the push
tube manually and without tool when power failure. The un-
screwed cover can be used as a hand crank. With the
CAHB-2xE, a power tool can be used to drive the cover by
the hexagon head. Don’t use a power tool with the manual
override of the CAHB-2xS. Please control the torque and
speed not to exceed the maximum value specified on
table 1.
The structure and operating instruction see the figure below.
Release the motor cover (
1
). Use the slot (
2
) to
rotate the motor shaft (
3
) in the proper direction
Re
tr
ac
t
i
o
n
Ex
t
en
si
on
1 2
3
Inner side of motor front
Fig. 18
Manual override
NOTE
The directions showed on the inner side of the motor front
represent the extending or retracting of actuator.
DANGER
Danger of injury caused by moving components!
Rotating components can cause severe injury.
Therefore:
• Do not operate the manual override deice when actuator cable is
connecting with power supplier.
Actuator type
Torque with load
Max. torque
Max. speed
Information
(Nm)
(Nm)
(rpm)
CAHB-20-.1S
1,4
1,5
1600
CAHB-20-.2S
1,1
1,2
1600
CAHB-20-.3S
0,58
1,0
1600
CAHB-21-.1S
0,65
1,0
1600
CAHB-21-.2S
0,71
1,0
1600
CAHB-21-.3S
0,53
1,0
1600
CAHB-22-.1S
0,71
1,0
1600
CAHB-22-.2S
0,75
1,0
1600
CAHB-22-.3S
0,74
1,0
1600
CAHB-22-.4S
0,63
1,0
1600
Tab. 1
