LG K7F-PIDA - Manual (Page 26)

Chapter 5. DEDICATED INSTRUCTIONS FOR SPECIAL MODULES
5 - 1
Chapter 5. DEDICATED INSTRUCTIONS


FOR SPECIAL MODULES
(Read from /Write to Buffer memory)
The PID module is available only for local and occupies 16 I/O points.
5.1 Read from Buffer Memory ⋅⋅⋅⋅ ⋅⋅⋅⋅ ⋅⋅⋅⋅ GET, GETP
<Format> execution condition
for GET
Format Descriptions Available Data Type
n1 The slot No. where a special module is mounted Integer
n2
Head address of the special module buffer memories from which
the data will be read.
Integer
D Head address of the device to store the data read. M,P,K,J,T,C,D,#D
n3 Number of data to be read . Integer
<The difference between GET and GETP>
GET: Always executed if the execution condition turns on.( )
GETP : Executed if the execution condition is triggered. ( )
Example 1) In this example, the PID control module is mounted on the slot 3 in the base unit and the data of
buffer memory addresses 202 and 203 will be read to the CPU module addresses D202 and D203.
PID control module
(address) CPU module D area buffer memory (address)
D200 D200
D201 D201
D202 MV of loop 0 MV of loop 0 D202
D203 MV of loop 1 MV of loop 1 D203
D204 D204
<GETP> execution condition for GETP
<GET>
execution condition
for GET
execution condition
for GETP
<GETP>
M0000
GET n1 n2 D n3
GET 00003 00202 D0202 00002
D M0000
GETP 00003 00202 D0202 00002