Rockwell Automation 61C613 16 Channel Analog Input Module User Manual

Page 22

Advertising
background image

4Ć6

inputs as temperature inputs for degrees F. A value of 320 must be

used as the offset.
Before you attempt to configure the offset, you must first set the

module's channel register pointer to the desired value (refer to

section 4.2.3). The command to configure channel offset contains the

following information:

Location (M+0)

18

Location (M+1)

ls byte of offset

Location (M+2)

ms byte of offset

ls = least significant

ms = most significant

4.2.7

Configure Scan Range for Continuous Mode

Configuring the scan range for the continuous mode involves

defining the starting and ending channel numbers that are to be

converted in the continuous scan mode. Channels that have not

been defined will be skipped. The command contains the following

information:

Location (M+0)

4

Location (M+1)

starting channel no.

Location (M+2)

ending channel no.

Valid channel numbers range from 0 to 15, corresponding to

channels 0Ć15.

4.2.8

Read Analog Input in Continuous Scan Mode

The command defined below is used to read an analog input value

that had been converted in the continuousĆscan mode, which must

already have been selected (refer to sections 4.2.2 and 4.2.7). The

command to read an analog input in continuous scan mode contains

the following information:

Location (M+0)

24

Location (M+1)

channel number

Location (M+2)

0

Valid channel numbers range from 0 to 15, corresponding to

channels 0Ć15.

Advertising