Kinco FD5P AC series servo
twisted pairs can effectively eliminate antagonistic interference, and cables with good shielding
can effectively reduce the impact of external interference sources
。
3.
Reasonable wiring. The communication cables should be routed in separate troughs from
the power cables, and the distance should be ≥ 20cm. If the cables can be tucked into a metal
tube, the anti-interference ability will be better. During the wiring process, the signal line and
the power supply line intersect vertically, and parallel laying should be avoided as much as
possible.
4.
Good grounding. The motor power cable must use a cable with a shielded net, the motor
PE is connected to the ground terminal of the driver, and the driver shell must be well
grounded. For the grounding diagram, please refer to Figure 3.6 in Chapter 3
.
5.
Power disturbance. The unstable power supply of the grid will also directly affect the
normal use of the servo. For the external circuit of the driver, please refer to Chapter 3.2 for
connection.
10.3 CANopen Bus communication
CANopen is the most famous and successful of the open fieldbus standards, which has been
widely recognized and widely used in Europe and the United States. In 1992, the Association
of Automation CAN Users and Manufacturers (CiA) was established in Germany and began to
develop CANopen, an application layer protocol for automation CAN. Since then, the
members of the Association have developed a series of CANopen products, which are widely
used in machinery manufacturing, pharmaceuticals, food processing and other fields.
The FD5P series servo is A standard CAN slave device, which strictly follows the CANOpen
2.0A/B protocol, and any host computer that supports the protocol can communicate with it.
The servo uses a strictly defined list of objects, we call it the object dictionary, this object
dictionary is designed based on the CANopen international standard, all objects have a clear
function definition. The Objects mentioned here are similar to the memory address we often
say, some objects such as speed and position can be modified by the external controller, and
some objects can only be modified by the drive itself, such as status and error messages. Table
10-5 lists these objects.
Table 10-5 List of example object dictionaries
Device status control word
The properties of an object are as follows:
1. RW(Read and write) : Objects can be read or written;
2. RO(read-only) : The object can only be read;
3. WO(Write only) : Write only;
4. M(Mappable) : Objects can be mapped, similar to indirect addressing;
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