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Rockwell Automation 1769-XXXX Compact I/O Modules  User Manual

Page 91

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Rockwell Automation Publication 1769-IN088A-EN-P - February 2011

91

I/O Memory Mapping Chapter 3

The bits are defined as follows:

• SGN = Sign bit in 2’s complement format
• Real Time Sample Value = Provides the ability to configure the Real Time

Sample Rate

• ETS = Enable Time Stamping
• EC = Enable Channel
• EA = Enable Alarm
• AL = Alarm Latch
• EI = Enable Input Process Alarm Interrupt

(1)

• Input Filter Sel Chx = Input Channel Filter Setting
• Input Data Format Chx = Input Data Format Select
• Input Type/Range Select Chx = Input Type/Range Select
• Process Alarm High Data Value Channel x = Provides the ability to

configure the Input Process Alarm High Value

• Process Alarm Low Data Value Channel x = Provides the ability to

configure the Input Process Alarm Low Value

• Alarm Dead Band Value Channel x = Provides the ability to configure the

Dead Band Value

95

SGN

Process Alarm Low Data Value Channel 15

96

SGN

Alarm Dead Band Value Channel 15

97

Reserved

(1) Alarm interrupts are not supported by all bus masters. Check your controller’s user manual to determine if

expansion I/O interrupts are supported.

Define

To Choose

Make these bit settings

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00

Input Filter
Selection

60 Hz

0

0

0

0

50 Hz

0

0

0

1

16 Hz

0

0

1

0

315 Hz

0

0

1

1

1365 Hz

0

1

0

0

Enable
Interrupt

(1)

Enable

1

Disable

0

Process
Alarm
Latch

Enable

1

Disable

0

Enable
Process
Alarms

Enable

1

Disable

0

Wo

rd

Bit Position

15

14

13

12

11

10

09

08

07

06

05

04

03

02

01

00