LG Electronics K3F-FUEA Waffle Iron User Manual


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6. Communication Function

6.1.6 Speed calculation of
high speed link
) %
-A
6-/-)-)+-
Fig. 6.1.10 Data transmission path through communication module
              6- /-)-)+ 
-3
/-)-@-
Table 6.1.7 Data transmission path and time elements
Path Time affecting elements
PLC CPU(A)
Com. module(station 1) Scan time of PLC-A program
Comm. module(station 1)
Com. module(station 2) Scan time of comm. + Scan time of comm. O/S
Comm. module(station 2)
PLC CPU(B) Scan time of PLC-B program
';#<<;8;#<<;8
 ;#<    -     ;#<       
;#<!"#C(--
-<
-
6-/-)-));#<-
User Program Scan Data
is transmitted to communication module
when User Program Scan is finished
Data is received from
communication module
when User Program Scan is finished
User Program Scan
Transmits when token is
received from master station
Transmits data to PLC
after data receive
PLC-A PLC-B
Communication module(station 1) Communication module(station 2)
Communication cable/Modem
Data transmission Data receive
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