Appendix B
System calibration
The CSI 2600 uses internal calibration tables to compensate for slight measurement
variations that can occur across the temperature, voltage ranges, and variations in
individual electronic components used by processing circuitry. These calibration tables are
stored in each CSI 2600 when it is assembled and verified at the factory. The units apply
calibration corrections automatically during signal measurement and processing.
The CSI 2600 system calibration consists of two steps:
1.
Calibrate the on-board signal generator.
2.
Calibrate the system.
The Processor Module signal generator should be recalibrated at least once a year.
The CSI 2600 should be recalibrated at least once a year, or when the processor or a signal
input module has been replaced. To recalibrate an installed system, contact a local
Emerson Online Product Support office to schedule recalibration during an equipment
outage. Calibrations can be completed in less than an hour, but units cannot monitor
rotating equipment during that time.
B.1
The CSI 6560 Processor module
Four circuits are calibrated:
•
Test Signal Generator (TSG)
•
Gross Scan (GS)
•
Digital Signal Processor (DSP)
•
Transient
The TSG circuit is a key element. This circuit provides an extremely precise output signal,
which is used as an input during GS, DSP/Tachometer, and Transient calibrations
(Tachometer channels are calibrated during DSP calibration). During calibrations, the TSG
output is routed internally in the 6560 Processor Module, to processing electronics (GS,
DSP, Tach, Transient), and individual calibration tables for each processing circuit are
created and stored in 6560 Processor Module memory. These tables are stored in non-
volatile memory, which means that the tables are not erased if the 6560 Processor Module
is powered down.
The TSG circuit provides an output signal, which is used to create all of the other
calibration tables. The TSG circuit has its own calibration table, stored in the CPU board. If a
CPU board is replaced, then the other calibrations need to be rerun for that 6560 Processor
Module, since their original calibration tables used the TSG signal from the original CPU
board.
System calibration
MHM-97453, Rev 1
83
Summary of Contents for Machinery Health Expert CSI 2600
Page 1: ...User Guide MHM 97453 Rev 1 April 2014 CSI 2600 Machinery Health Expert User Guide ...
Page 8: ...CSI 2600 back view Figure 2 2 Introduction to the CSI 2600 4 MHM 97453 Rev 1 ...
Page 12: ...Introduction to the CSI 2600 8 MHM 97453 Rev 1 ...
Page 26: ...Getting started 22 MHM 97453 Rev 1 ...
Page 64: ...Software configuration 60 MHM 97453 Rev 1 ...
Page 96: ...Data types 92 MHM 97453 Rev 1 ...
Page 100: ...D 2 Internal wiring diagram for the CSI 2600 ...
Page 106: ...Troubleshooting 102 MHM 97453 Rev 1 ...
Page 109: ...Index MHM 97453 Rev 1 105 ...