Section 15.4.7 · Chapter 15: Using Macros
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. | ||
■ 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 or equal to P3. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ IF &
| Format | IF P2 & P3 | Data Type | U/UD |
|---|---|---|---|
| Function | Executes the commands in the command block following this IF command when the result of Bitwise AND between P2 and P3 is non-zero. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ IF !&
| Format | IF !(P2 & P3) | Data Type | U/UD |
|---|---|---|---|
| Function | Executes the commands in the command block following this IF command when the result of Bitwise AND between P2 and P3 is zero. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ IF <bit>
| Format | IF P2 | Data Type | B |
|---|---|---|---|
| Function | Executes the commands in the command block following this IF command if the condition P2 is true (1/On). | ||
| P2 (I/E/CE) | The condition. | ||
■ IF !<bit>
| Format | IF !P2 | Data Type | B |
|---|---|---|---|
| Function | Executes the commands in the command block following this IF command if the condition P2 is false (0/Off). | ||
| P2 (I/E/CE) | The condition. | ||
■ ELIF ==
| Format | ELIF P2 == P3 | Data Type | U/S/UD/SD/F |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command when P2 is equal to P3. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ ELIF !=
| Format | ELIF P2 != P3 | Data Type | U/S/UD/SD/F |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command when P2 is not equal to P3. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ ELIF >
| Format | ELIF P2 > P3 | Data Type | U/S/UD/SD/F |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command when P2 is greater than P3. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ ELIF >=
| Format | ELIF P2 >= P3 | Data Type | U/S/UD/SD/F |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command when P2 is greater than or equal to P3. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ ELIF <
| Format | ELIF P2 < P3 | Data Type | U/S/UD/SD/F |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command when P2 is less than P3. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ ELIF <=
| Format | ELIF P2 <= P3 | Data Type | U/S/UD/SD/F |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command when P2 is less than or equal to P3. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ ELIF &
| Format | ELIF P2 & P3 | Data Type | U/UD |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command when the result of Bitwise AND between P2 and P3 is non-zero. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ ELIF !&
| Format | ELIF !(P2 & P3) | Data Type | U/UD |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command when the result of Bitwise AND between P2 and P3 is zero. | ||
| P2,P3 (I/E/C/AE) | The operands. | ||
■ ELIF <bit>
| Format | ELIF P2 | Data Type | B |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command if the condition P2 is true (1/On). | ||
| P2 (I/E/CE) | The condition. | ||
■ ELIF !<bit>
| Format | ELIF !P2 | Data Type | B |
|---|---|---|---|
| Function | Executes the commands in the command block following this ELIF command if the condition P2 is false (0/Off). | ||
| P2 (I/E/CE) | The condition. | ||
■ ELSE
| Format | ELSE | |
| Function | This command specifies the beginning of the default command block that will be executed if none of the conditions in the preceding IF and/or ELIF commands is true. This is not an executable command. | |
| Example | IF-Command Structures: | |
| Commands and Structures | Description | |
|---|---|---|
|
IF <condition> … ENDIF |
Runs the command block between IF and ENDIF when the condition is true, otherwise ignores the command block. | |
|
IF <condition> … ELSE … ENDIF |
Runs the command block between IF and ELSE when the condition is true, otherwise runs the command block between ELSE and ENDIF. | |
|
IF <condition> … ELIF <condition_2> … ELIF <condition_3> . . . ELIF <condition_N> … ENDIF |
Runs the command block between IF and the first ELIF and ignores all the following commands in the structure when condition 1 is true, otherwise examines condition 2. Runs the command block between the first ELIF and the second ELIF and ignores all the following commands in the structure when condition 2 is true, otherwise checks condition 3. Repeats the same operation until condition N is processed. If none of the conditions are true, no command block in this structure is run. | |
|
IF <condition> … ELIF <condition_2> … ELIF <condition_3> . . ELIF <condition_N> … ELSE … ENDIF |
Runs the command block between IF and the first ELIF and ignores all the following commands in the structure when condition 1 is true, otherwise examines condition 2. Runs the command block between the first ELIF and the second ELIF and ignores all the following commands in the structure when condition 2 is true, otherwise checks condition 3. Repeats the same operation until condition N is processed. Runs the command block between ELSE and ENDIF if none of the conditions are true. | |
| Note that there can be up to 20 nested IF-command structures. | ||
■ ENDIF
| Format | ENDIF | ||||||||||
| Function | This command specifies the end of a command block, which begins at the command following the matching IF, ELIF, or ELSE command. This is not an executable command. | ||||||||||
| Example |
IF-Command Structures:
|
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Source.Section 15.4.7 of the PM Designer Software User Manual, Edition 2.0, © Cermate Technologies Inc. (www.cermate.com, service@cermate.com). Reproduced online, with the manual's own figures, by TSL Automation Solutions, authorised Cermate distributor, for users of Cermate HMI panels. PM Designer and PanelMaster are trademarks of Cermate Technologies Inc.
Text and figures are the manufacturer's and may describe features your panel or software version does not have. For a plain-language introduction read the PM Designer guide; for help with a specific panel contact TSL Automation.