Example Of Usage - LG MASTER-K 120S Series User Manual

Programmable logic controller
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Chapter 8 Communication Functions
3) Error code
Code
06
Slave Device Busy
09
Parameter Error
10
Frame Type Error

8.2.4 Example of Usage

This example is supposed that there's a communication between MASTER-K120S's by the user-defined protocol. The system
configuration is as follows and the cable is the same with the one of 1:1 dedicated protocol communication.
MASTER-K120S main unit
(Master: Station no. 0)
The data in M area of the master station is sent to the slave station and the slave station saves received data in M area, output as direct
variable, and sends the data back to the master. This process repeats between the master and the slave.
1) The Programming and setting communication parameter of the master station
① Select the communication parameter and then select communication method and communication channel.
② Select 'user Defined' at protocol and mode item('list item is activated), then Click the 'list'
Error type
It's sending or waiting to receive
Communication parameter setting error, Link enable setting error
Frame does not setting or frame does not 'sending'
1:1 dedicated protocol communication cable
explanation
MASTER-K120S main unit
(Slave: Station No. 1)
8-48

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