Honeywell EXCEL 5000 User Manual

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Honeywell EXCEL 5000 User Manual Manual pdf 138 page image

ALPHABETIC REFERENCE EXCEL CARE CONTROL ICONS74-5577–33 (US) 140EN2B-0184 GE51 R0518 (Europe)Maximum / MAXFunction Returns the highest value of all inputs.For example, in control technology, continuous positioning signals are oftencalculated using mathematical functions. These functions are defined for the entireset of real numbers, while positioning signals are typically valid only for a subset ofnumbers, for example, 0 to 100 percent.You can use the MAX icon to define the minimum output value to a signal. If, forexample, a function outputs a value below 0, you can use MAX to select either thefunction output or 0, whichever is higher.I/O Dialog BoxExcel Web / Excel Web IIInputs Two through six (Excel Web / Excel Web II: thirty two) analog inputs. Minimum twoinputs.You can enter the first input as a parameter (engineering unit index number andvalue, not for XL Web).Output One analog output (Y).Internal Parameters None.Parameter NumberDescriptions None.Example See Positioning Signal Limitation in the Examples chapter for an application thatuses the MIN and MAX icons to limit an output signal.Also see the Duty Cycle (DUC) section. You can use MAX to calculate an inputvalue for highest zone temperature.