Issue
A more in-depth description of each of the Direct Digital Control (DDC) modules in I/NET
Product Line
TAC INET
Environment
- I/NET DDC
- DCUs, PCUs, MRs
- Two Position Module (2POS)
- PID Controller (PID)
- Float Module (FLT)
- Reset Module
- DDC Hi/Lo Module (HI/LO)
- Relay Module (Single Pole Double Throw Relay)
- Calc Module
Cause
DDC is a system that measures a variable, compares the variable with a known value to determine the error, processes the error using a specific software algorithm, and then produces an output to modify the controlled variable.
Resolution
Most of these modules are discussed in both TCON 083 or TCON 299 System Operator Guide for more deta...
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