beautypg.com

Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual User Manual

Page 241

background image

EAF

Process Control Instructions

Chapter 16

16-30

Maximum Control Output (Word 12)
This limits the maximum value of the Control Output. Defined as 0-100%
of the 0-4095 Control Output range. This value works in conjunction with
the Output Limiting feature and the Maximum Output Alarm.

Maximum Scaling Value (Word 08)
The scaling value which corresponds to the maximum setpoint and process
variable in engineering units (such as PSI or oF).

Range

0000 to 9999, the decimal point is implied by the user.

Important:When Maximum Scaling Value = Minimum Scaling Value,
scaling is not performed.

Maximum Scaling Sign (Word 02, Bit 03)
Set/Reset this bit to change the sign of Maximum Scaling Value
(see Scaling).

Reset (0)

positive

Set (1)

negative

Minimum Control Output (Word 13)
This is the minimum allowable value of the Control Output. Enter the
value as 0-100% of the 0-4095 Control Output range. This value works in
conjunction with the Output Limiting feature and the Maximum
Output Alarm.

Minimum Output Alarm (Word 01, Bit 12)
This bit is set whenever the calculated control output goes below the limit
set by Minimum Control Output.

Minimum Scaling Value (Word 09)
The scaling value which corresponds to the minimum setpoint value and
process variable (see Scaling).

Range

0000 to 9999, the decimal point is implied by the user.

Important:When Maximum Scaling Value = Minimum Scaling Value,
scaling is not performed.

Minimum Scaling Sign (Word 02, Bit 04)
Set/Reset this bit to change the sign of Minimum Scaling Value.

Reset (0)

positive

Set (1)

negative