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FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
2 Overview (Sequence Program)
2.7 Types and Setting of Parameters
1
Int
roduct
ion
2
O
ver
view
3
In
str
uc
tion
Li
st
4
D
evices
in D
etail
5
Spec
ified t
he
D
evice &
C
onst
ant
6
Bef
ore
Pr
ogr
am
m
ing
7
B
asic
In
st
ru
ct
io
n
8
FN
C
00-FN
C
09
P
rogr
am
F
low
9
FN
C
10
-FN
C
19
Mo
ve
&
Co
mp
are
10
FNC2
0-F
NC2
9
Ar
ith.
&
Logic
O
per
ation
2.7.6
Special unit initial value setting [GX Developer Ver.8.23Z or later]
The initial values of the buffer memory (BFM) in special function blocks/units connected to an FX
3U
/FX
3UC
PLC (Ver.2.20 or later) can be set as a parameter in GX Developer (Ver.8.23Z or later).
When this parameter is used, it is not necessary to execute initial setting in a user program for special
function blocks/units requiring initial setting. The special unit initial value setting uses 4000 steps (8 blocks) in
the memory capacity.
→
For the setting procedure, refer to Subsection 2.7.8.
2.7.7
Positioning setting [for TBL (FNC152) instruction] [GX Developer Ver.8.23Z or later]
In the positioning setting available in all FX
3G
PLCs and FX
3U
/FX
3UC
PLCs Ver. 2.20 or later, a table and
constants for added TBL (FNC152) instruction can be set. Make sure to set this parameter when using TBL
(FNC152) instruction.
The positioning setting for TBL (FNC152) instruction uses 9000 steps (18 blocks) in the memory capacity.
→
For details on TBL (FNC152) instruction, refer to the Positioning Control Manual.
2.7.8
Built-in CC-Link/LT Setup (dedicated to FX
3UC
-32MT-LT-2)
The set item "Built-in CC-Link/LT Setup" is dedicated to the FX
3UC
-32MT-LT-2.
The CC-Link/LT setting (transmission speed, point mode and station information) is available in the
parameter setting using GX Developer Ver. 8.68W or later.
The built-in CC-Link/LT setup uses 500 steps (1 block) in the memory capacity.
→
For the setting procedure, refer to the FX
3UC
Hardware Manual or Subsection 2.7.9.
2.7.9
Parameter settings by GX Developer
This subsection explains the parameter setting procedures by GX Developer (Ver.8.72A).
→
For details on entry codes, refer to Subsection 2.7.5.
1
Opening the parameter setting screen
In the project tree area provided on the left side of the screen, double-click [Parameter]
→
[PLC parameter].
If the project tree is not displayed, select [View]
→
[Project data list] from the toolbar.