Honeywell 2MLF-RD4A, Руководство пользователя

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6. Programming
6.1. Read/write operation of operation parameters setting area
114 Resistance Temperature Detector 2MLF-RD4A User's Guide R200
Honeywell September 2010
(Address) D area of CPU module Internal memory
(Address)
D0 Used CH setting Used CH setting 0
D1 CH0 sensor type setting CH0 sensor type setting 1
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Figure 68 – Example of read execution
Write data to the operation parameters setting area (PUT, PUTP instruction)
The instructions PUT, PUTP are used to write data to the special module from the CPU
memory.
Figure 69 – Example of write execution
Operand Description Available data
n1 Slot number where special module is installed. Integer
n2
Start address of internal memory of special module.
h d t ill b itt
Integer
S
Start memory address of CPU module where the data to
be written is saved.
M, P, K, L, T, C, D, #D,
Integer
n3 Number of words (data) to write. Integer
Difference between PUT instruction and PUTP instruction
•
PUT : executes at every scan when execution condition is turned ON. ( )
•
PUTP : executes once at the rising edge of the execution condition. ( )