LG GLOFA-GM Series User Manual page 134

Chapter 7 Communication function
3) Preparing frame
Prepare basic parameters and frames first via Frame Editor according to programming sequence. As it is
communication system via RS-422 channel, set communication channel to RS-422 as shown in [Figure7.6] and
then set communication speed, data/stop bits, etc. to basic parameters. Station number in basic parameters
doesn't need setting as it is not used in user defined mode. The default value is No.'0'. When preparing frame,
frame name shall be set for 3 types of frames as below.
A) Write request frame : 'WR_REQ'
B) Read data frame : 'RD_DATA'
C) Immediate response frame : 'IMM_RESPONSE'
[Figure7.6] shows basic screen where 3 frames are registered.
[Figure7.6] Basic screen of Frame Editor
[Figure7.6] is the result screen after basic parameters and TX/RX frames are all defined. Refer to Chapter 5
Frame Editor for details of preparing basic parameters and frames.
Next is how to prepare 3 types of frames.
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