Software Functions; Loop Display Indication And Setting Function - Toshiba V Series User Manual

1.7 Software Functions

1.7.1

Loop display indication and setting function

The display setting function using LD512H is described below.
For information on application programs, refer to the manual for the Engineering Tool.
A loop display unit may be connected to L1 for display setting for each loop.
Up to 8 loop display units (LD512H) can be connected one CPU module.
L1
PS
In using loop display units, LP parameters (LP_PARA.LDU) must be registered using the
Engineering Tool. Use Value Editor or Tag Editor of the Engineering Tool to register the
following LDU parameters.
LP_PARA[0 to 7].LDU
15
LDB
LDP
LDB
LDC : LD unit connected or not (Not connected (0)/connected (1))
6F8C1005
LIPU
11H
I/O I/O
／
12H
RS485
512H 512H 512H
Loop1 Loop2 Loop3
Figure 1-23 Configuration with 8 Loop Display Units Connected
14 13 12 11
LDC
: Number of decimal digits (0 to 4) in digital display of PV and MV values
: Display form (bar graph display (0)/point display (1)) in bar graph display
In case of LDC=1 (LD unit connected), the CPU module processes LD
transmission. If a graphic panel (GP) is connected, select LDC=0 (LD unit
not connected). Set LDC for all the loops to be displayed by the LD unit(s).
I/O I/O
512H 512H 512H
Loop4 Loop5 Loop6
10 9 8 7 6 5
1.7 Software Functions
512H 512H
Loop7 Loop8
4 3 2 1 0
LDP
37
1