| Spec | Description |
|---|---|
| S1 | Run/reset |
| S2 | Hold/release |
| S3 |
|
| S4 | Time alarm |
| S5 | Timer reset |
| S6 | Up/down indicator (see below) |
| XX0 | Up |
| XX1 | Down |
| 0XX | Reset timer at operation |
| 1XX | Do not reset at operation |
| Block | Type | Description |
|---|---|---|
| N | Real | Timer value (always positive) |
| N+1 | Bit | Time alarm |