Product Description
Page 24 of 62 User Manual QT50 Doc ID 1321 version 2.0 Sept. 2018
CANopen system
Figure 8: CANopen bus network
Note! Eltorque recommends a maximum of 80 nodes on 500 m/1660 ft. cable.
Note! The cable between the nodes can be maximum 500m with the Eltorque Hybrid
Marine Cable. For other lengths check with your local Eltorque representative.
Table 6: Cable requirements and recommendations for CANopen system
Cable parameter Cable requirements and recommendations
Number of conductors 1 (GND) + twisted pair for CAN_H and CAN_L signals
Length related
resistance / Cross
section
Length related resistance; typical 70 mΩ/m Max 100 m/m
(typical 70 mΩ/ 3ft 3.37in. Max 100 m/3ft 3.37 in)
Normally equivalent to 0.5–1.5 mm
2
/0.02 – 0.06 in
2
.
Cable length (affects
communication speed)
Maximum 500m/1650 ft.
Shield
EMC glands are not mandatory but is recommended in case
the actuator is placed in conjunction with equipment
emitting high levels of disturbances.
Termination resistor Nominal 120 Ω Both ends must be connected. Internal
resistors are recommended used. For ordering information
see Chapter 8 on page 55.
Analog systems
For the analog interface, both the input and the outputs are passive. Analog has
two outputs. One Alarm output and one Position output (4 to 20 mA) (see
Table 7 for details).
Table 7: Relay outputs – analog interfaces
Function Value
Rated voltage 24 VAC/VDC
Max. switching voltage 24 VAC/VDC
Rated current 1A
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