
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
445
CIP Objects
Appendix A
Trigger threshold for the main module is fixed at 2.5V.
Attribute Semantics
Tacho Source Selection
This selection defines which source to use for this tacho and speed processing
input.
0x00 defines this Tacho as disabled, multiple sources not allowed.
Selection allows theoretically that an equal source can be used for both object
instances.
21
Get
V
Tacho Trigger
Slope/Edge
SINT
main module has
configurable edge
detection.
0: Positive
1: Negative
Rate of Change of
Speed
Group of 2 configuration
attributes.
24
Get
V
ROC Delta Time
REAL
Delta Time: The time
between speed values
that are used to evaluate
the rate of change
Range: 0.1…20 s
Default of 0.5 s
25
Get
V
ROC TC
REAL
The time constant that is
applied to the measured
speed values before they
are used for ROC
assessment
Range: 0.1…20 s
Default of 0.2 s
(are not normally
> ROC delta time)
Value
Description
0
OFF
1
Local TTL Tacho Input 0
2
Local TTL Tacho Input 1
3
Tacho Bus 0
4
Tacho Bus 1
5
mapped to I/O data Speed 0 (Fixed source locations for data and OK status)
6
mapped to I/O data Speed 1 (Fixed source locations for data and OK status)
Higher Values
Reserved
Table 177 - Instance Attributes (continued)
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Страница 10: ...10 Rockwell Automation Publication 1444 UM001D EN P June 2018 Table of Contents Notes...
Страница 12: ...12 Rockwell Automation Publication 1444 UM001D EN P June 2018 Preface Notes...
Страница 198: ...198 Rockwell Automation Publication 1444 UM001D EN P June 2018 Chapter 5 Configure the Tachometer Expansion Module Notes...
Страница 210: ...210 Rockwell Automation Publication 1444 UM001D EN P June 2018 Chapter 7 Configure Relays Notes...
Страница 230: ...230 Rockwell Automation Publication 1444 UM001D EN P June 2018 Chapter 8 Configure Alarms Notes...
Страница 240: ...240 Rockwell Automation Publication 1444 UM001D EN P June 2018 Chapter 9 Trend and Transient Capture Notes...
Страница 316: ...316 Rockwell Automation Publication 1444 UM001D EN P June 2018 Chapter 10 Operate the Module Notes...
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