Siemens S7-1200 Programming Manualline page 68

3 General Programming
3.10 SCL programming language: Tips and tricks
The following table summarizes the overloaded operators and which operation is
behind it:
Table 3-14: Overloaded operands for SCL
ltime + time
ltime + time
ltime + lint
ltime + lint
time + time
time + time
time + dint
time + dint
ldt + ltime
ldt + ltime
ldt + time
ldt + time
dtl + ltime
dtl + ltime
dtl + time
dtl + time
ltod + ltime
ltod + ltime
ltod + lint
ltod + lint
ltod + time
ltod + time
tod + time
tod + time
tod + dint
tod + dint
dt + time
dt + time
ldt – ldt
dtl – dtl
dt – dt
date – date
ltod – ltod
date + ltod
date + tod
Programming Guideline for S7-1200/1500
V1.2, Entry ID: 81318674
Overloaded operand Operation
T_ADD LTime
T_SUB LTime
T_ADD LTime
T_SUB LTime
T_ADD Time
T_SUB Time
T_ADD Time
T_SUB Time
T_ADD LDT / LTime
T_ADD LDT / LTime
T_ADD LDT / Time
T_SUB LDT / Time
T_ADD DTL / LTime
T_SUB DTL / LTime
T_ADD DTL / Time
T_SUB DTL / Time
T_ADD LTOD / LTime
T_SUB LTOD / LTime
T_ADD LTOD / LTime
T_SUB LTOD / LTime
T_ADD LTOD / Time
T_SUB LTOD / Time
T_ADD TOD / Time
T_SUB TOD / Time
T_ADD TOD / Time
T_SUB TOD / Time
T_ADD DT / Time
T_SUB DT / Time
T_DIFF LDT
T_DIFF DTL
T_DIFF DT
T_DIFF DATE
T_DIFF LTOD
T_COMBINE DATE / LTOD
T_COMBINE DATE / TOD
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