Rockwell-automation 1746-NO8V SLC 500 8-Point Analog Output Module/ Us Manuel d'utilisateur télécharger pdf (Page 47)

Publication 1746-UM026A-EN-P - September 2003

I/O Data and Status Information 5-3

Input Image

The input image (defined as the input from the module to the SLC

processor) provides information to determine various channel

conditions.

Figure 5.2 1746-NO8 Input Image

Table 5.2 1746-NO8 Input Image Operation

Operating

Mode

Input Image

Size

Module Operation

Class 1 8-word The input data words hold the data received by your

module and provide the status (configuration and

operational state) of each channel.

Class 3 16-word • The input data words hold the data received by

your module and provide the status (configuration

and operational state) of each channel.

• They also provide the extended feature set status

and alarming for each channel.

• Important - Class 3 features for any particular

channel will only be active if the channel is

enabled. Disabled channels will output 0V (0mA)

no matter what features are configured.

Input Image Function

Input Status 1

Class 3

Class 1

I:e.0 Channel 0

I:e.1 Channel 1

…

I:e.6 Channel 6

I:e.7 Channel 7

Input Status 2

I:e.8 Channel 0

I:e.9 Channel 1

…

I:e.14 Channel 6

I:e.15 Channel 7

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 73 74

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Rockwell-automation 1746-NO8V SLC 500 8-Point Analog Output Module/ Us Manuel d'utilisateur Page 47