SIREC D Display Recorder 7ND4000

4.6.12 Conditional Point Types.
These point types are used when the operator
needs to set a list of operating conditions for a point.
A. Operators/Operands Used for Setting
Conditions - Forty operators/operands are
allowed in any one formula programmed. If the
conditions equation does not compute, the display
will read "bad operand". The following
operators/operands are used:
• P1 to PC - are used to represent Points
(Must be pre programmed)
• K1 to KF - are used to represent Constants
(Must be pre programmed)
• ) is a RIGHT Parenthesis
• | is or
• & is and
• < is less than
• > is greater than
• = is equal to
• != is not equal to
• = is greater than or equal to
• ! is not
• ( is a LEFT Parenthesis
1. Programming Parameters - Use the UP (↑) or
DOWN (↓) Arrow Keys to select "Prog point and
press ENTER to begin programming a point.
2. Selecting Point Number - The display reads
"point? X". Use the numeric keypad to enter the
Point to be programmed, 1 to 9 or A to C. Press
ENTER to accept the displayed point number and
the display reads one of the following Point Option
menu items:
• Setup pt x
• Copy pt x
• Restore pt x
• Modify pt x
• Delete pt x
3. Selecting Point Option - Use the UP (↑) or
DOWN (↓) Arrow Keys to select the desired point
option and press ENTER.
4. Selecting Conditional - Use the UP (↑) or
DOWN (↓) Arrow Keys to highlight "Conditional"
and press ENTER.
Siemens AG C79000-G7374-C211-01
SIREC D Manual
Programming
5. Point Tag - Up to a ten character alphanumeric
label can be assigned to each point.
a. Use the UP (↑) or DOWN (↓) Arrow Keys to
highlight "Point tag" and press ENTER. The display
reads " �XXXXXXXXXX�".
b. Use the alphanumeric keypad to enter the
desired Point Tag. Ten positions or digits/ characters
are possible. When the desired Point Tag
is displayed, press ENTER and the display returns
to "Point tag".
6. Set Conditional (cnditionl) - This menu item
allows you to program a set of conditions for a
point. Up to 40 operators/operands can be programmed
in any one conditional statement.
a. Programming Set Conditional - Use the UP
(↑) or DOWN (↓) Arrow Keys to highlight "Set
cndtionl” and press ENTER.
b. Use the LEFT (�) or RIGHT (�) Arrow Keys
to move to a position to enter the desired conditional
statement. Forty positions or operators/operands
are possible. The display will
scroll to accommodate all forty operators. Use
the UP (↑) or DOWN (↓) Arrow Keys to select
the operators/operands as follows:
• P1 to PC - are used to represent Points
(Must be pre programmed)
• K1 to KF - are used to represent Constants
(Must be pre programmed)
• ) is a RIGHT Parenthesis
• | is or
• & is and
• < is less than
• > is greater than
• = is equal to
• != is not equal to
• = is greater than or equal to
• ! is not
• ( is a LEFT Parenthesis
When the desired conditional statement is displayed,
press ENTER and the display returns to
"Set cndtionl". The conditional statement is
evaluated from left to right. Use parenthesis to
change the order of evaluation. The result of
any conditional statement evaluation is either
TRUE or FALSE.
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