The application of Delta VE series inverter in CNC machining center (4)

Pulse control currently offers two modes: speed mode and position mode. When working in speed mode, only need to set the frequency source signal to pulse reference, and set the given mode according to the pulse signal provided by the host computer; if the inverter needs to work in the pulse position command mode, in addition to the parameters in the speed mode In addition to the settings, it is also necessary to match the closing of the external terminal signals FWD/MI1/MI2/MI3.

3.4 VE series inverter pulse input control

VE series inverters support two pulse input modes: 1.A/B phase pulse input; 2. Pulse + direction input. Since the new system provides a pulse + direction output mode, you can choose the third or fourth mode as shown in Figure 3; then make the final correct selection based on the direction.

Figure 3 Accepted pulse input method

When using pulse control, there are two other parameters that are also very important: 1.10-17PG electronic gear A; 2.10-18PG electronic gear B. The calculation formula is speed = pulse frequency / number of encoders (10-00) * electronic gear A / electronic gear B.

3.5 acceleration and deceleration characteristics

For the test of acceleration and deceleration characteristics, first adjust the protection function appropriately:

1-12=1, 1-13=5, F=590

The measured acceleration time is 1.4s during the acceleration from 0 to 590hz, and the maximum current during acceleration is 19.3A. See Figure 4 for the graph.

Figure 4 acceleration curve

1-12=5,1-13=5, F=590

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Snap Ring

A snap ring (a portmanteau of "circle" and "clip"), also known as a C-clip, Rotor Clip, circlip or Jesus clip, is a type of fastener or retaining ring consisting of a semi-flexible metal ring with open ends which can be snapped into place, into a machined groove on a dowel pin or other part to permit rotation but to prevent lateral movement. There are two basic types: internal and external, referring to whether they are fitted into a bore or over a Shaft. Circlips are often used to secure pinned connections.

Snap Ring,C-Clip Circlip,Single Spring Mechanical Seal,Multi Spring Mechanical Seal

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