Chapter 7. SPECIAL MODULE COMMAND (BUFFER MEMORY READ/WRITE)
7 - 1
Chapter 7. SPECIAL MODULE COMMAND (BUFFER MEMORY READ/ WRITE)
A/D conversion module occupies 16 I/O points.
7.1.1 Buffer Memory Read - GET, GETP
<Format>
< Distinction of GET and GETP>
GET: Continuously executes read while the read signal is on ( )
GETP: Execute read by rising edge on the read signal ( )
ex 1) A/D conversion module is mounted on the slot 3 of base, and data from the buffer memory address 14 and
15 is read to the CPU D14 and D15.( ( ) : Buffer memory address of the G3F-AD4B )
Buffer memory of
(address) D area of CPU module A/D conversion module (address)
D13
13(38)
D14
A/D conversion value Ch 0
A/D conversion value Ch 0
14(39)
D15
A/D conversion value Ch 1
A/D conversion value Ch 1
15(40)
D16
16(41)
D17
17(42)
<GET>
<GETP>
M0000
7.1 Local Command
Symbol
Descriptions
Device used
n1
Slot number assigned to special module
Integer
n2
First address of the buffer memory of special
module from which data are read
Integer
D
First address of device which will store read data.
M, P, K, L, T, C, D, #D
n3
Number of words of data read
Integer
GET command
execution condition
GET 00003 00014 D0014 00002
D M0000
GETP 00003 00014 D0014 00002
GET n1 n2 D n3
execution condition
for GET
execution condition
for GETP