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32 • Signal Connection

3.11 Open Loop and Closed Loop Connection

All axes in PCI-8136M are free to set as open loop pulse output control or

closed loop voltage output control. Users must realize what is the different

between these two settings.

There are 6 motion control sets for every axis in PCI-8136M card. Each set

has its own pulse output, encoder input, analog output, analog input and

dedicated I/O channels . The block diagram of these functions are shown

below:

Open Loop Control Mode (axis independent)

User's

Command

DDA

Engine

Pulse

Generator

Driver and

Motor

Encoder

Read

encoder

feedback

Can be opened

(no connection)

to OUT/DIR pins

from EA/EB pins

Internal connected only for axis 0 to 2

1. AD/DA is free to use at this mode

2. DIO is free to use at this mode if not set motion I/O active

3. Others ADPIO are free to use except this axis'

4. Encoder 0~2 are free to use if feedback loop is opened

Closed Loop Control Mode (axis independent)

User's

Command

DDA

Engine

Driver and

Motor

Encoder

Read

encoder

feedback

from EA/EB pins

1. AD is free to use at this mode

2. DIO is free to use at this mode if not set motion I/O active

3. Others ADPIO are free to use except this axis'

4. Out/Dir can't be used for other pupose

Gain D/A

to DA pins

Pulse Gen. Pulse output (useless)

to Out/Dir pins

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 106 107

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ADLINK Technology PCI-8136M Guía de usuario Pagina 40

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