ALPHABETIC REFERENCE EXCEL CARE CONTROL ICONS
74-5577–33 (US) 126
EN2B-0184 GE51 R0518 (Europe)
Ln (Excel Web / Excel Web II)
Function Calculates the logarithmus naturalis
I/O Dialog Box
Input One analog input (X).
Output One analog output (ln X).
Internal Parameters None.
Logic Counter (Excel Web / Excel Web II)
Function Compares binary values. Returns in output N(1) the number of TRUE(1) values and
in output N(0) the number of FALSE(0) values.
I/O Dialog Box
Excel Web / Excel Web II
Inputs Two through thirty two digital inputs.
Output Two digital outputs.
Internal Parameters None.
Mathematical Editor / MAT
Not available for Excel Web / Excel Web II!
Function Create formulas to modify inputs to other control icons.
When one of the conditions required in the control strategy or the switching logic is
not supplied directly from one user address, or a combination of more than one user
address is required, you can use a mathematical formula to express this condition.
For example, if inputs are in English units (for example, Fahrenheit), use the MAT
editorto convert them to metric units (for example, Celsius).
Switching Logic Example In a switching logic table, you can calculate an average temperature and use it to
command points on and off:
Control Strategy Example In a control strategy, you can add 10 to a setpoint that inputs to a PID:
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