Internal Register Structures (continued)

5.The functions are enabled with the enable bits. WY65 and WY66 are set to all 1's with a MOVW instruction (see Figure 3-11).

 

 

 

 

 

MOVW

 

 

 

 

 

 

 

A V301

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X16

 

C2

 

B WY65

V301=65,535

C3

 

 

 

 

N=2

 

 

 

 

 

 

V302=65,535

 

Figure 3-11 Enabling the Functions Loaded

6.With the Data_Ready bit, data is transferred with Y32 (see Figure 3-12).

 

MWIR

 

 

 

A

V303

 

 

C3

B

Y17

V303=1

Y32

N=3

Data_Ready

Figure 3-12 Loading the Enable Bits

3-14 Advanced Function Programming

SIMATIC 505±2557 Installation and Operation Guide

Page 44
Image 44
Siemens 505-2557 installation and operation guide Enabling the Functions Loaded