Ethernet communication
7.6 HT 8
Manual
220
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Alternate activation of two functions
An implementation option of alternate activation of two functions with each positive edge of
an input signal is shown by the following listing:
OB 1 (excerpt)
CLR
U
E
1.3
// (1) If positive edge of user softkey U2?
FBD
G
102.1
=
G
102.3
UN
G
102.3
SPB
M007
CLR
// (1) THEN
U
G
102.2
// (2) IF Flip-Flop == 0 ?
SPB
M006
// (2) THEN
.....
// Activate Function 1 (e.g. display)
I
G
102.2
// Flip-Flop = 1
SPA
M007
// (2) ELSE (Flip-Flop == 1)
M006:
....
// Activate Function 2 (e.g. switch-off)
R
G
102.2
// Flip-Flop = 0
// (2) ENDIF
M007:
NOP
0
// (1) ENDIF
7.6.5.10
Input/output image
Input image
The address specification of the input image EB takes place in the FB 1 function module,
parameters: "MCPxIn", with x = 1 for the 1st MCP and x = 2 for the 2nd MCP.
Table 7-6
Assignment of the signals in the input image
Signals from HT 8
Byte
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Function keys
EB n+0
[REF]
TEACH
AUTO
[MDA]
JOG
QUIT
RESET
[WCS/
MCS]
Function keys
EB n+1
CPF
(U key)
{U4}
{U3}
BigFct
{U2}
{U1}
[INC]
[REPOS]
Traversing keys +
EB n+2
-
Changeove
r
axes
Ax6+
Ax5+
Ax4+
Ax3+
Ax2+
Ax1+
EB n+3
-
-
Traversing keys -
