Test := iTest + 1; , [...] had the value 0 , [...] then have the value 1 .

Operator: __POSITION The operator [...] 61131-1 standard

ST var1 := 7*2*4*7 [...] Operator: MUL The IEC operator

ST var1 := 7-2 [...] types TIME - TIME = TIME LTIME - LTIME =

Examples ST var1 := 8/2 [...] DivLReal . : [...] Operator: DIV

with a dot . always [...] Operator: Global Namespace The operator

. You use a dot ( . ) [...] .varx; The globlist1 and globlist2 [...] Operator

test : _3S [...] addressed str := _3S_License.Standard#CONCAT('test1 [...] ', '3444'); str := _3S_License#Standard#CONCAT('test1

name with a dot ( . [...] Operator [...] The operator is an extension

Operator: __POOL The operator is an extension of the IEC 61131-3