Rockwell-automation 1769-OF4VI CompactLogix Module Manual de usuario descargar pdf (Pagina 20)

20 Compact 1769-OF4VI Isolated Analog Output Module

Rockwell Automation Publication 1769-IN076B-EN-P - August 2010

Channel Configuration Words

• E = Channel Enable: (0 = Disabled, 1 = output Enabled, process

changes)

• Reserved = Set to zero

• SIU = System interrupt low clamp, under-range alarms: (0 = Disabled,

1 = Enabled)

• SIO = System interrupt high clamp, over-range alarms: (0 = Disabled,

1 = Enabled)

• LA = Latch low/high clamp, under/over-range alarms: (0 = Disabled,

1 = Enabled)

• ER = Enable ramping: (0 = Disabled, 1 = Enabled. Ramp rate limited by

fault states.)

• FM = Fault mode: (0 = Hold Last State, 1 = User Defined Value)

• PM = Program mode: (0 = Hold Last State, 1 = User Defined Value)

• HI = Hold for initialization: (0 = Disabled, 1 = Enabled)

• PFE = Program/idle to fault enable: (0 = Disabled, 1 Enabled)

The first two words of each eight word group in the configuration file allow you

to change the parameters of each channel independently. For example, words 8

and 9 correspond to channel 1 while words 16 and 17 correspond to channel 3.

Word/Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

Word 0 E Reserved SIU SIO LA ER FM PM HI

PFE

Word 1 Reserved Output Data

Format Select

Reserved Output

Type/Range

Define Indicate

this

These bit settings

1514131211109876543210

Program

(Idle) to Fault

Enable

Program (Idle)

Mode Data

Applied

(1)

Fault Mode

Data

Applied

(1)

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 26 27 28

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Rockwell-automation 1769-OF4VI CompactLogix Module Manual de usuario Pagina 20

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