HARDWARE MANUAL Document reference MAMPS-HW/E
VM600 machinery protection system (MPS) Edition 18 - March 2022
5-6
Multi-channel processing functions
AMC8 / IOC8T CARD PAIR
5.4 Multi-channel processing functions
Four “multi-channel” processing functions are available. Each is able to process the following
functions on the 8 single channels:
• Minimum of 2 to 8 values
• Maximum of 2 to 8 values
• Average of 2 to 8 values
• Difference between two values.
5.5 Time-domain processing functions
These functions are somewhat analogous to the rectifier functions available for the
MPC4 / IOC4T card pair.
A time-domain processing function can be applied to a single channel or a “multi-channel”.
The following possibilities exist:
• Direct output (bypass)
• Average over a period of time
• Maximum value over a period of time
• Minimum value over a period of time.
The time period can be set under software control to a value between 0.1 and 10.0 seconds.
The output is updated at this rate.
5.6 Linearity compensation
The VM600 MPSx software allows linearity compensation for thermocouples and RTD
devices.
For linear compensation, an offset and sensitivity value can be defined.
For non-linear compensation, a table of polynomial values can be entered or downloaded.
NOTE: Refer to the relevant manual for further information: VM600 MPS1 software
manual or VM600 MPS2 software manual.
5.7 Thermocouples and cold-junction compensation
See 10.2.2 Connecting thermocouples.
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