Rockwell Automation 2707-NP DTAM Programming Software - Manual (Page 134)

Chapter 16
DTAM Micro
Function Key Builder
16–2
Continue
Continue function keys do not return to the initial display but remain at the
linked screen. For example, assume that an application is displaying screen
#3 and a continue function key F2 is linked to a data entry screen #5. When
F2 is pressed, the data entry screen #5 is displayed. The application
continues from screen #5.
The 8 function keys of the DTAM Micro can also set or clear bits in the logic
controller. The bit write mode may be enabled with or without screen links
being assigned to the same function keys (if bit write is enabled, all 8
function keys will write to the corresponding registers). The function keys
are assigned to 8 contiguous 16 bit addresses such as N7:20 through N7:27.
Depending upon how a bit write is configured (clear or set), a function
key will either:
•
send the corresponding value (F1 = 1, F2 = 2, etc.)
•
clear the register
The following chart shows the set and clear values for each function key.
The register location for F1 is specified on the Function Key Builder screen.
The remaining 7 function keys are automatically assigned to the next 7
consecutive registers.
DTAM Micro
Function Key Set Value Clear Value
Register
Location
F1 00000000 00000001 00000000 00000000 / 1
F2 00000000 00000010 00000000 00000000
/
2
F3 00000000 00000100 00000000 00000000 / 3
F4 00000000 00001000 00000000 00000000 / 4
F5 00000000 00010000 00000000 00000000
/
5
F6 00000000 00100000 00000000 00000000 / 6
F7 00000000 01000000 00000000 00000000 / 7
F8 00000000 10000000 00000000 00000000
/
8
Notes: The entire word register (16 bits) is written when a bit write is
initiated. Bit write does not change individual bits.
If a function key is used for bit write mode as well as screen navigation, the
bit pattern will not be written if the DTAM Micro cannot go to the mapped
screen.
Function Key Options
Bit Write Mode