Yokogawa PC-Based MX100 - Manual (Page 1216)

25-18
IM MX190-01E
Communication Constants
Mnemonic Description
DAQDA100READER_DATAPORT The instantaneous value data loading port number.
Data Status Values
Mnemonic Description
DAQDA100READER_UNKNWON Unknown.
The data status is not set.
DAQDA100READER_DATA_NORMAL Normal status.
DAQDA100READER_DATA_DIFFINPUT Differential input status.
DAQDA100READER_DATA_PLUSOVER Positive overrange.
DAQDA100READER_DATA_MINUSOVER Negative overrange.
DAQDA100READER_DATA_SKIP SKIP status.
DAQDA100READER_DATA_ILLEGAL Illegal data status.
DAQDA100READER_DATA_ABNORMAL Abnormal data status.
DAQDA100READER_DATA_NODATA No data status.
DAQDA100READER_DATA_READER Loading instantaneous value data
Status during communication.
When using the communication port for loading instantaneous value data, the status
when loading and communicating instantaneous value data is the channel status in
which channel information data is retrieved.
Alarm Types
◊ indicates a space.
Mnemonic Description String
DAQDA100READER_ALARM_NONE Alarm OFF ◊◊
(Alarm OFF)
DAQDA100READER_ALARM_UPPER Upper limit alarm H◊
DAQDA100READER_ALARM_LOWER Lower limit alarm L◊
DAQDA100READER_ALARM_UPDIFF Difference upper limit dH
alarm
DAQDA100READER_ALARM_LOWDIFF Difference lower limit dL
alarm
DAQDA100READER_ALARM_INCRATE High limit on RH
rate-of-change alarm
DAQDA100READER_ALARM_DECRATE Low limit on RL
rate-of-change alarm
25.5 DARWIN Constants for Loading Instantaneous Value Data