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Rockwell Automation 2711E-ND1 PanelBuilder 1400E Reference Manual User Manual

Page 73

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66

Numerics

Publication 2711E-820 – January 1998

Field

Meaning

Decimal Point (con’t)

PLC Controlled—Select this option if you want the position of
the decimal point to be determined by the PLC. This means that
the decimal point is not in a fixed position, and the PLC controls
the number of digits after the decimal point.The PLC Controlled
decimal position can display 1 to 15 decimal digits. If the value
returned by the Displayed Decimal Point Position control is
outside this range, the display field is filled with asterisks (***).
See the section “Using the Decimal Point (Display Component)”
earlier in this chapter for more information.

Digits after Decimal
Point

If you specify the decimal point as Fixed Position, enter the
number of digits that will appear after the decimal point. The
maximum is 15.

Controls

Field

Meaning

Control

The Numeric Input Cursor Point uses the following controls:

Keypad Numeric Input identifies where the terminal writes the
value to the PLC. You can assign only a tag to this control.

Define this control for all Decimal Point options.

Optional Keypad Write Exprn performs a mathematical
calculation or logical operation on the value the operator enters
at the PanelView terminal, then sends the result to the Keypad
Numeric Input control. Use of this control is optional. You can
assign only an expression to this control. See ”Using Write
Expressions” later in this chapter for information about
assigning this control.

Numeric Decimal Point Position indicates or determines the
position of the decimal point.

If you specified the decimal point as PLC Controlled, you can
assign a tag or expression to this control.

If you specified the decimal point as Decimal Key Controlled,
you can assign only a tag to this control.

Enter Key Control and Enter Key Handshake are used
together to provide handshaking between the PLC and the
terminal. You can assign only a tag to the Enter Key Control.
You can assign a tag or expression to the Enter Key Handshake
control.

See “Enter Key Handshake Operation” later in this chapter for
more information about basic handshake operation.