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Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual

Page 354

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354

Publication 1756-UM009C-EN-P - December 2010

Appendix C Use Ladder Logic To Perform Run Time Services and Reconfiguration

The table list module parameters that may be changed via ladder logic.

Permissible Analog Input Module Parameters to Change Via Ladder Logic

Feature

Restriction

High engineering value

Must not be equal to low engineering value

Low engineering value

Must not be equal to high engineering value

High-high alarm value

Must be greater than or equal to high alarm value

High alarm value

Must be greater than low alarm value

Low alarm value

Must be less than high alarm value

Low-low alarm value

Must be less than or equal to low alarm value

Deadband

Must be less than half of high alarm minus low alarm

Permissible Analog Output Module Parameters to Change Via Ladder Logic

Feature

Restriction

High clamp value

(1)

(1)

The values for user-defined state at Fault or Program (set during initial configuration) must fall within the range
of the High and Low clamp values.

Must be greater than low clamp value

Low clamp value

(1)

Must be less than high clamp value