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Accessing Support Functions (continued)
Function 81 –
Select P/C Mode
FIELD 1
LADDERS = PROG LOOPS = PROG LOOP MODE LOCKED TO FOLLOW LADDER MODE
EXIT–F1 RUN–F2 PGMFRZ–F3 PGMOFF–F4
LADDERS = PROG LOOPS = PROG LOOP MODE LOCKED TO FOLLOW LADDER MODE
EXIT–F1 RUN–F2 PROG–F3 HALT–F4
LADDERS = PROG LOOPS = PROG LOOP MODE LOCKED TO FOLLOW LADDER MODE
EXIT–F1 LOCKED–F2 UNLOCK–F3
Function 82 – Hot
Back Up
7-14
Using Support Functions
Function 99, Word I/O, loads Forced and Unforced Word I/O, (WX, WY).
NOTE: To save or load a specific memory type (V-memory, K-memory, etc.),
the Memory Configuration in the P/C and on the disk must be identical.
Save All (Function 60) copies the memory configuration from the P/C to the
VPU disk. Load All without IR (Function 90) copies the memory
configuration from the VPU disk to the P/C.
Function 81 (Select P/C Mode) is available for selecting the operational
modes of the ladder and loop operations. After selecting Function 81 from
the menu, you have three fields available for choosing modes. Place the
cursor in the desired field, illustrated below, and press the function key for
that field to change the operating mode.
FIELD 2
After changes are entered, all altered fields show the new data; and the
cursor returns to Field 1. If an error occurs, a message is displayed; and the
cursor remains where the error occurred.
Function 82 (Hot Back Up) is used for examining or modifying the HBU
status. After Function 82 is selected, a menu is displayed. The following
illustration contains sample entries that may appear.
FIELD 3
SIMATIC VPU200/565 Programming Manual
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