Siemens 505-2557 用户手册
Advanced Function Programming
3-14
SIMATIC 505–2557 Installation and Operation Guide
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).
set to all 1’s with a MOVW instruction (see Figure 3-11).
MOVW
A V301
B WY65
N=2
B WY65
N=2
C3
X16
V301=65,535
V302=65,535
V302=65,535
C2
Figure 3-11
Enabling the Functions Loaded
6.
With the Data_Ready bit, data is transferred with Y32 (see
Figure 3-12).
Figure 3-12).
MWIR
A V303
B Y17
N=3
B Y17
N=3
Y32
Data_Ready
C3
V303=1
Figure 3-12
Loading the Enable Bits