Rockwell-automation 1769-ADN Compact I/O 1769-ADN DeviceNet Adapter Manual de usuario descargar pdf (Pagina 189)

Publication 1769-UM001B-EN-P - October 2002

Explicit Messaging Application Examples B-31

Discrete Module

Configuration Files

The following configuration information applies to these modules:

The read/writable configuration data file allows the setup of the hold

last state and user-defined state conditions.

The manipulation of the bits from this file is normally done with

programming software (e.g. RSLogix 500, RSNetworx for DeviceNet,

etc.) during initial configuration of the system. In that case, graphical

screens are provided via the programmer to simplify configuration.

However, some systems (e.g. 1769-ADN DeviceNet adapter) also

allow the bits to be altered as part of the control program using

communication rungs. In that case, it is necessary to understand the

bit arrangement.

Data Table File N11 (Shown in Hexadecimal Radix)

Offset0123456789

N11:01016E1330CA170000

N11:10 101 16 1013 30C A 1A 8304 8304 1862 1862

N11:20 1862 1862 00000000

N11:301016E1330CA1A0000

N11:404000010141613 F 0

N11:50 101 2 8E13 8000000

• 1769-OA8 • 1769-IQ6XOW4

• 1769-OB16 • 1769-OW8

• 1769-OV16 • 1769-OW8I

Word

Bit Position

1514131211109876543210

0000000000000000PFE

1 Program State

for Output Array Word 0

2 Program Value

for Output Array Word 0

3 Fault State

for Output Array Word 0

4 Fault Value

for Output Array Word 0

1 Program State Word (word 1) selects the hold last state or user-defined safe state condition on a

system transition from Run to Program. User-Defined Safe State = Bit Setting 0 and Hold Last State

= Bit Setting 1

2 Program Value Word (word 2) is used to program the user-defined safe state value (0 = Off, 1 = On).

Each output is individually configurable for on or off.

3 Fault State Word (word 3) selects the hold last state or user-defined safe state condition on a

system transition from Run to Fault. User-Defined Safe State = Bit Setting 0 and Hold Last State

= Bit Setting 1

4 Fault Value Word (word 4) is used to program the fault state value (0 = Off, 1 = On). Each output is

individually configurable for on or off. Off = Bit Setting 0 and On = Bit Setting 1

1 2 ... 184 185 186 187 188 189 190 191 192 193 194 ... 203 204

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Rockwell-automation 1769-ADN Compact I/O 1769-ADN DeviceNet Adapter Manual de usuario Pagina 189

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