LG Industrial Systems G3F-DA4I, User Manual

Page: 56 / 76

Chapter 7. SPECIAL MODULE COMMAND(BUFFER MEMORY READ/ WRITE)
7 - 3
7.2 REMOTE COMMAND
7.2.1 Buffer Memory Read- RGET
Symbol Descriptions Device used
Sl
Upper(AB) : the code value of D/A conversion
module
G3F-DA4I:01h, G3F-DA4V : 02h
G4F-DA1A : 81h
Lower(CD) : the slot number of communication
module of the master station(FUEA).
setting range: 0 to 7
Integer
St
Upper(EF) : Slot number of D/A conversion
module of remote station.
setting range: 0 to 31
Lower(GH) : Address number communication
module of remote station(RBEA).
setting range :0 to 63
Integer
D
Head address of device which stores data to read.
M, P, K, L, T, C, D, #D
S
Head address of special module which stores data to read.
Integer
n
Number of words of data to read
Integer, D
SS
condition data display space of link
M, P, K, L, T, C, D, #D
REMARK
To read buffer memory data of D/A conversion module with RGET command, configure the program so
that execution condition of 0 will be changed into 1 on rising edge.
Otherwise, buffer memory data of D/A conversion module won't be read
[Buffer memory read]
1) Read buffer memory address 35(1 word) which the channel operation data of D/A conversion module is
stored.
2) Store read data to the next D300
3) Store the data of communication condition to D1.
[ RGET SI St D S n SS]
RGET command
execution condition
<Format>
[Program]
GM3-
PA2A
K7P-
30AS
G3I-
D24A
G3I-
D22A
G3Q-
TR4A
G3Q-
TR2A
G3L-
FUEA
GM3-
PA2A
G3L-
RBEA
G3I-
D24A
G3F-
DA4V
G3F-
PA2A