Time management instructions
(Original Document)
Introduction
Conversion replaces the PL7 instructions by their Control Expert equivalent.
Instruction list
The following table describes any correspondence and differences between PL7 and Control Expert instructions.
PL7
Control Expert
Status
RRTC
RRTC
Converted
WRTC
WRTC
Converted
PTC
PTC
Converted
ADD_TOD
ADD_TOD_PL7
Modified (1)
ADD_DT
ADD_DT_PL7
Modified (1)
DELTA_TOD
DELTA_TOD
Converted
DELTA_D
DELTA_D
Converted
DELTA_DT
DELTA_DT
Converted
SUB_TOD
SUB_TOD_PL7
Modified (1)
SUB_DT
SUB_DT_PL7
Modified (1)
DAY_OF_WEEK
DAY_OF_WEEK
Converted
TRANS_TIME
TRANS_TIME
Converted
DATE_TO_STRING
DATE_DINT_TO_STRING
Modified (1)
TOD_TO_STRING
TOD_DINT_TO_STRING
Modified (1)
DT_TO_STRING
DT_ARINT_TO_STRING
Modified (1)
TIME_TO_STRING
TIME_DINT_TO_STRING
Modified (1)
SCHEDULE
SCHEDULE
Converted
Legend:
(1)
The function name is modified but the operation remains the same.