Spec | Description |
---|---|
S1 | Segment attributes (see below) |
S2 | Target period |
S3 |
|
S4 | Checkpoint period |
S5 | PID normal/external reset |
S6 | PID derivative gain (maximum) |
S7 | Minimum exception report time |
S8 | Maximum exception report time |
S9 | Significant change (percent of span) |
S10 | High/low alarm deadband reports (percent of span) |
S11 | Deviation alarm deadband reports (percent of span) |
S12 | Reserved |
S13 | Slave sampling period (seconds) |
S14 | Cycle time alarm limit |
S15 | Auto sequencing off/on |
0X | Tune and modify allowed |
1X | No tuning allowed |
2X | Lock modify |
3X | Lock tune and modify |
X1 | Seconds |
X2 | Minutes |
Block | Type | Description |
---|---|---|
N | Real | Previous cycle elapsed time |
N+1 | Real | Current cycle elapsed time |
N+2 | Real | Processor utilization (percent) |
N+3 | Real | Checkpoint overrun count |
N+4 | Real | Cycle time overrun |