LG GLOFA-GM Series User Manual page 78

Chapter 5 Frame Editor
[Figure5.4] Transmitted frame setting
(a) CONST data input (00WB)
(b) ARRAY data input (4-byte)
Since the structure of transmitted data is classified into fixed data area of '00WB' and variable data area of
'12345678', '00WB' of ASCII type is input in CONST area and Convert is selected in ARRAY area for
transmission of variable data area with 4 byte of transmission data designated as in [Figure5.4]. 2 segments are
used for CONST and ARRAY data in the figure.
F) Set tail : Tail as of an area to sort out the end of frame can be set with control character, signal, figure, etc. as
in header. If several characters are used with signals of '[' and ']' available to be set as in header, max.8 can
be continued as applied. In addition, BCC is serviceable for detection of errors in tail. [BCC] shall be surely set
for BCC service. For BCC service, press [BCC setting] button on the right to select calculation method and
range of BCC.
G) BCC setting : BCC provides check information on frame error by setting [BCC] to tail for BCC check. If BCC
check is selected, BCC data is transmitted along with for transmitted frame and only correct BCC value of
received data is received for received frame according to setting method. The next figure is BCC setting
screen when BCC setting button is pressed with BCC type and mode available to be set. Exercising of basic
setting is shown as in [Figure 5.5].
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