R200
Resistance Temperature Detector 2MLF-RD4A User's Guide
113
September 2010
Honeywell
6. Programming
6.1 Read/write operation of operation parameters setting
area
The instructions of GET, GETP are used to read data from special modules like the RTD
input module and save it in CPU memory.
Read data from the operation parameters setting area (GET, GETP instruction)
Figure 67 – Read execution
Operand
Description
Available data
n1
Slot number where the special module is installed.
Integer
n2
Start address of internal memory of special module to
read.
Integer
D
Start memory address of CPU module where the read
data will be saved.
M, P, K, L, T, C, D, #D
n3
Number of words (data) to read.
Integer
Difference between GET instruction and GETP instruction
•
GET
: executes at every scan when execution condition is true ON. ( )
•
GETP
: executes once at the rising edge of the execution condition. ( )
Example:
RTD module is installed on Base No.0 and Slot No.3.
The data from internal memory addresses 0 and 1 is in the RTD module and is read and
saved in D0 and D1 of CPU module while M00000 bit is turned ON.