Specifications

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5.3.5 Position control mode (pulse input)

It is required to set the command input pulse form dependent on the upper unit pulse train when using the Position

control mode (pulse input).

・Input form (3 types)

① Forward rotaion pulse train/Reverse rotaion pulse train

② Pulse train/ Directionphase pulse train/B-phase pulse train

③ A-phase pulse train/ B-phase pulse train

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・Logic (2 types)

① Positive logic

② Negative logic

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・Input form (3 pulse types) × positive/negative logic (2 types) = 6 selectable types

In the upper level device (positioning module), there is a parameter which sets the output pulse form (mode). The

form of the upper level device (positioning module) must be made “compatable” with the LECSA. If the forms are

not compatable, the operation work correctly. Please be aware that depending on the upper level device

(positioning module), the “command input pulse forms” above may not be available.

Signed pulse

train

Forward rotation

pulse train

Reverse rotation

pulse train

Selection of command input pulse form

Parameter No. PA13

Setting

Pulse train input filter selection

Pulse train form

Forward rotation command Reverse rotation command

Signed pulse

train

A-phase pulse

train

B-phase pulse

train

Forward rotation

pulse train

Reverse rotation

pulse train

A-phase pulse

train

B-phase pulse

train

Positive logic

Setting

1Mpps or less

500kpps or less

200kpps or less

Negative logic

Command pulse frequency

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Ex.) Setting of Command input Pulse form, when:

(1) The command pulse frequency is 200kpps or less and

(2) The pulse train form is set to positive logic, with the NP signal high and low

[PA13] = 201