8 parentheses with comparison commands, 1 equal to [ ] (==[ ]), 2 less than [ ] (<[ ]) – HEIDENHAIN TNC 407 (243 020) Technical Manual User Manual
Page 550: 3 greater than [ ] (>[ ]), 4 less than or equal to [ ] (<=[ ])

3.8 Parentheses with comparison Commands
Execution time and code length are summarized respectively for the "open-parenthesis" and the
corresponding "close-parenthesis" commands.
3.8.1 EQUAL TO [ ] (==[ ])
Abbreviation for PLC Editor:
== [ ] (EQUAL [ ])
Logic
Byte/Word/Double
Execution time [µs]
----
0.5 to 0.8
Number of bytes
----
6
Operands: none
3.8.2 LESS THAN [ ] (<[ ])
Abbreviation for PLC Editor:
< [ ] (LESS THAN [ ])
Logic
Byte/Word/Double
Execution time [µs]
----
0.5 to 0.8
Number of bytes
----
6
Operands: none
3.8.3 GREATER THAN [ ] (>[ ])
Abbreviation for PLC Editor:
> [ ] (GREATER THAN [ ])
Logic
Byte/Word/Double
Execution time [µs]
----
0.5 to 0.8
Number of bytes
----
6
Operands: none
3.8.4 LESS THAN OR EQUAL TO [ ] (<=[ ])
Abbreviation for PLC Editor:
<= [ ] (LESS EQUAL [ ])
Logic
Byte/Word/Double
Execution time [µs]
----
0.5 to 0.8
Number of bytes
----
6
Operands: none