Pm designer operation manual – B&B Electronics WOP-2121V-N4AE - Manual User Manual
Page 430
4
14
PM Designer Operation Manual
14-21
CHAPTER 14 USING MACROS
EXTRACT_BIT
Format
P1
= EXTRACT_BIT(P2,P3)
Data Type
U/UD
Function
Extracts bit P3 from P2 and saves the result in P1.
P1 (I)
The bit to save the result.
P2 (I)
The location to extract the bit.
P3 (I/C)
The number of the bit to be extracted.
Example 1
$U2.0
= EXTRACT_BIT(
$U10
,
31
) (UD)
/* Extract bit 31 of the double word $U10 and save the
result in $U2.0 */
14.4.7. Conditional Operation
IF ==
Format
IF P2 == P3
Data Type
U/S/UD/SD/F
Function
Executes the commands in the command block following this IF command when P2 is equal to
P3.
P2,P3 (I/E/C/AE) The
operands.
IF !=
Format
IF P2 != P3
Data Type
U/S/UD/SD/F
Function
Executes the commands in the command block following this IF command when P2 is not equal
to P3.
P2,P3 (I/E/C/AE) The
operands.
IF >
Format
IF P2 > P3
Data Type
U/S/UD/SD/F
Function
Executes the commands in the command block following this IF command when P2 is greater
than P3.
P2,P3 (I/E/C/AE) The
operands.
IF >=
Format
IF P2 >= P3
Data Type
U/S/UD/SD/F
Function
Executes the commands in the command block following this IF command when P2 is greater
than or equal to P3.
P2,P3 (I/E/C/AE) The
operands.
IF <
Format
IF P2 < P3
Data Type
U/S/UD/SD/F
Function
Executes the commands in the command block following this IF command when P2 is less than
P3.
P2,P3 (I/E/C/AE) The
operands.