Delta D25886 User Manual download pdf (Page 36)

3. System Installation

DVP-MC operating manual 3-3

3.2. System Connection

3.2.1. Power and IO Wiring

 Power input

It is direct current input for DVP10MC11T MPU power and below items should be paid special attention to for

use.

1. The input power voltage is in the range from 20.4 VDC to 28.8VDC and the power is connected to

the two terminals: 24V and 0 and earth terminal is connected to the ground. Besides, please note

that the positive pole and negative pole of the power must not be connected reversely otherwise any

damage on DVP10MC11T may be caused.

2. The earth terminal of DVP10MC11T MPU uses the cable above 1.6mm for grounding.

3. If the time for power-off is too long or power voltage is descended, DVP10MC11T will stop working,

output will turn off and communication with servo drive will also be terminated. DVP10MC11T cannot

make the communication with servo drive any more unless the power restores into normal status.

 Safety circuit wiring

DVP10MC11T controls servo drive and any action of its internal device is possible to influence the action of

external mechanical organization. So any malfunction of any device may cause the whole automatic control

system to lose control and even result in personal injury and death. Below protection devices are suggested

for use in power input circuit.

Figure 3.2.1

1 AC power supply: 100～240VAC, 50/60Hz;

2 Fuse for power loop protection;

3 System circuit isolation device: use the switches of electromagnetic contactor and relay as the

isolation devices of system power circuit in case the system is unstable when power supply is

interrupted frequently

4 Power indicator

5 Emergent stop: To prevent sudden status happening, emergent stop button is set to cut system

power once accident occurs;

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Delta D25886 User Manual Page 36