| 700 / | HD | DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS |
| 1 | DD | GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS {15} |
| 11 | DD | .~ Sequential or selective {7} |
| 12 | DD | .~.~ State of condition or parameter (e.g., on/off) {2} |
| 13 | | .~.~.~ Position responsive |