Structure definitions
Bit-masks for alarms
Name | Mask | Description |
|---|---|---|
nAlarmOpen | 2#0000_0000_0000_0000_0000_0000_0000_0001 | Hardware: open temperature sensor |
nAlarmReverse | 2#0000_0000_0000_0000_0000_0000_0000_0010 | Hardware: reverse connected temperature sensor |
nAlarmBackVoltage | 2#0000_0000_0000_0000_0000_0000_0000_0100 | Hardware: excessive voltage at temperature sensor |
nAlarmLeakage | 2#0000_0000_0000_0000_0000_0000_0000_1000 | Hardware: leakage current measured |
nAlarmShortCircuit | 2#0000_0000_0000_0000_0000_0000_0001_0000 | Hardware: short circuit |
nAlarmOpenCircuit | 2#0000_0000_0000_0000_0000_0000_0010_0000 | Hardware: no current |
nAlarmLimitLow | 2#0000_0000_0000_0000_0000_0001_0000_0000 | Software: fallen below first lower relative temperature |
nAlarmLimitLowLow | 2#0000_0000_0000_0000_0000_0010_0000_0000 | Software: fallen below second lower relative temperature |
nAlarmLimitHigh | 2#0000_0000_0000_0000_0000_0100_0000_0000 | Software: first upper relative temperature exceeded |
nAlarmLimitHighHigh | 2#0000_0000_0000_0000_0000_1000_0000_0000 | Software: second upper relative temperature exceeded |
nAlarmAbsoluteHigh | 2#0000_0000_0000_0000_0001_0000_0000_0000 | Software: upper absolute temperature exceeded |
nAlarmAbsoluteLow | 2#0000_0000_0000_0000_0010_0000_0000_0000 | Software: fallen below lower absolute temperature |
Requirements
Development environment | Target platform | PLC libraries to include |
|---|---|---|
TwinCAT 3.1.4016 | PC or CX | Tc2_TempController |