Input interface circuit examples, Operation and override mode combinations – Rockwell Automation 1398-DDM-xxx ULTRA 100 Series Drives Installation Manual User Manual

Page 69

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Publication 1398-5.2 – PDF 1997

Interfaces

6-5

Specifications for these inputs are listed in Table 6.5.

Input Interface Circuit Examples

Preset Select A
Preset Select B
Preset Select C

Active

a

or Inactive

b

states select one of the eight presets shown in the following

binary table:

BINARY CODE

C

B

A

Description

Preset 0

0

0

0

Preset 0 or Index 0 is selected.

Preset 1

0

0

1

Preset 1 or Index 1 is selected.

Preset 2

0

1

0

Preset 2 or Index 2 is selected.

Preset 3

0

1

1

Preset 3 or Index 3 is selected.

Preset 4

1

0

0

Preset 4 or Index 4 is selected.

Preset 5

1

0

1

Preset 5 or Index 5 is selected.

Preset 6

1

1

0

Preset 6 or Index 6 is selected.

Preset 7

1

1

1

Preset 7 or Index 7 is selected.

Start Index

A change from inactive to active starts an indexing move.

Define Home

A change from inactive to active defines the home position for absolute indexing.

Sensor

A change from inactive to active is sensed as a registration or home sensor.

NOTE: This selection is available only on INPUT 2.

Remove COM-
MAND Offset

A change from inactive to active sets the offset of the analog COMMAND input to
achieve a zero command.

Fault Reset

A change from inactive to active will clear any faults and re-enable the drive, if any
faults were pending.

Start Homing

A change from inactive to active will start the homing procedure.

a. Active state indicates current flow through the input optocoupler

b. Inactive state indicates no current flow.

Table 6.3:

INPUT1, INPUT2 and INPUT3 Functions

(continued)

Table 6.4:

Operation and Override Mode Combinations

Operation Override Modes

Operation
Modes

Analog
Velocity

Analog
Torque

Preset
Velocity

Preset
Torque

Follower
Master
Encoder

Follower
Step/Dir

Follower
Step Up/
Down

Indexing

Analog Velocity

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Analog Torque

Yes

No

Yes

Yes

Yes

Yes

Yes

Yes

Preset Velocity

Yes

Yes

No

Yes

Yes

Yes

Yes

Yes

Preset Torque

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

Follower
Master Encoder

Yes

Yes

Yes

Yes

No

No

No

Yes

Follower
Step/Dir

Yes

Yes

Yes

Yes

No

No

No

Yes

Follower
Step Up/Down

Yes

Yes

Yes

Yes

No

No

No

Yes

Indexing

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

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