Dynamix Tacho And Speed Measurement Object - Allen-Bradley 1444-TSCX02-02RB User Manual

Appendix A CIP Objects
Dynamix Tacho and Speed
Measurement Object
444
The Tacho and Speed Measurement Object (class 0x395) defines the
configuration of tacho and speed signals as processed at main module level.
One instance is linked to each available tachometer channel.
Table 175 - Object Instances
Instance ID Description
0 Tacho and Speed Measurement Class Instance
1 Instance 1 represents measurement setup and data for tachometer input 0 and
associated speeds
2 Instance 2 represents measurement setup and data for tachometer input 1 and
associated speeds
Table 176 - Class Attributes
Attribute Access NV
ID Rule
1 Get NV
8 Get -
Table 177 - Instance Attributes
Attribute Access NV
ID Rule
1 Get V
2 Get V
3 Get V
4 Get V
Basic Tacho/Speed Configuration
16 Get V
17 Get V
18 Get V
19 Get V
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Name Data Description of
Type Attribute
Revision UINT Current object revision.
Tacho Signal BYTE Tacho signal enable
Status and OK status
Name Data Description of
Type Attribute
Speed REAL Speed that is based
directly on the tacho
source (equates to a fixed
multiplier of 1).
Factored Speed REAL Processed speed output
(based on a configured
multiplier).
Speed - max REAL Maximum speed
(attribute 1) RPM since
power cycle or last reset of
stored value.
Speed - ROC REAL Rate of change of the
(attribute 1) speed output.
Group of 5 configuration attributes.
Tacho Source SINT Choice of source: local
terminal inputs, tacho bus,
I/O data, or OFF.
Tacho OK Source SINT Choice of OK source when
using the local tacho
inputs.
Tacho Name SINT[32] Tacho descriptive name.
Speed Multiplier REAL Definition of multiplier for
the factored Speed
measurement.
Semantics of Values
Current revision.
Bits 0...1 indicate
tacho enabled status (1
= enabled) Bits 2...3
indicate tacho OK status
(1 = fault)
Semantics of
Values
RPM
RPM
RPM
RPM/min
Selection options
OK source options
32 characters
Default of 1.
Range: 0.01...100