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Communication Setting Specifications; Memory Map; Data Area - Mitsubishi Electric F920GOT-K Hardware Manual

Got-f900 series graphic operation terminal.
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GOT-F900 SERIES (CONNECTION)
14.3.2

Communication Setting Specifications

The table below shows the transmission specifications available in the GOT-F900.
Set the transmission specifications in accordance with those in the microcomputer.
Item
Baud rate
Data bit
Parity bit
Data
format
Stop bit
Flow control DSR/DTR or XON/XOFF
- For the GOT-F900 transmission specifications setting method, refer to section 14.7.
14.4

Memory Map

The data stored in the GOT-F900 is classified into word data (D) and bit data (M).
An address is assigned to each data, and each data is positioned as described below.
14.4.1

Data Area

The microcomputer specifies data by "address". The screen creation software specifies data by "D" or "M".
1) Word data (D)
There are 4096 word devices (D0 to D4095). A serial number (address) is assigned to each of them.
There are 1,024 word devices (D0 to D1023) in the 24 V type F920GOT-K.
a) Word data (16 bits)
Each 8-bit word data is lined in the order of upper side (H) and lower side (L).
b) Double word data (32 bits)
Each 16-bit word data is lined from the higher address to the lower address.
When a 32-bit numeric value is displayed on the GOT-F900, if two word devices are located in the
reverse order, the correct value is not displayed because the most significant bit is regarded as
the sign (+ or -).
Specification by
microcomputer
Address
1FFF
1FFE
1FFD
1FFC
:
0003
0002
0001
0000
*1 "D****" shown in this chapter indicates a virtual device inside the GOT-F900, but does not indicate any
data register of the PLC.
Setting range
19200 or 9600 or 4800 or 2400 or 1200 or 600 or 300 bps
8 or 7 bits
None, even or odd
1 or 2 bits
(device name specified by screen creation software)
Word data (16 bits)
D4095(L)
H
D4095(H)
H
D4094(L)
H
D4094(H)
H
:
D1(L)
H
D1(H)
H
D0(L)
H
D0(H)
H
Connection of Microcomputer 14
Setting in microcomputer
Setting invalid
Memory inside GOT-F900
Double word data (32 bits)
D4095
D4094
:
D1
D0
11
12
13
14
15
16
*1
17
(D4095, D4094)
18
(D1, D0)
19
20
14-7

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