Chapter8 Communication Function
8-31
8.1.7 1:1 Built-in communication between K7's
1) Introduction
1:1 built-in communication between K7's is that which constitutes a built-in communication system with
the method of 1(master) : 1(slave). Setting Base parameter and communication parameter in KGLWIN can
easily constitute this system. Communication protocol currently applied is the same with Cnet I/F used for
Kseries. Main functions are following.
• It can organize device area into 64 data access blocks by WORD unit, and set a communication time-out
limit for each block.
• It can reestablish flag in relation with error codes and slave PLC operating mode according to parameter
setting.
• It can reset flag related with error codes and sending/receiving error frequency of each parameter.
• It monitors communication status, using monitoring function of KGLWIN.
This communication cabling map is the same for (3) 1:1 Connecting between K7 in 8.1.2 "System
configuration method using built-in communication."
K7 base unit
(Slave: station No. 31)
K7 base unit
(Master: station no. 1)
G7E-DR10A
1:1 built-in communication between K80S's
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