Interfaces
Digital inputs and outputs
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8.6.1.2 Free assignment of inputs and outputs
You can make the permanently assigned standard inputs I1 to I6 available for
assignment using parameter P221. Meaning:
Input
Function without
SHIFT
Function with SHIFT
Valency
I1 (X8/1)
SHIFT
-
1
(Bit 1)
33
I2 (X8/2)
Find machine zero (MZ)
2
(Bit 2)
I3 (X8/3)
Hand–
Approach real zero (RZ)
4
(Bit 3)
I4 (X8/4)
Quit
Teach real zero
8
(Bit 4)
I5 (X8/5)
START
reserved
16
(Bit 5)
I6 (X8/6)
STOP
Break (breaks off data
record)
32
(Bit 6)
Each input is assigned a valency. Calculate the sum of the valencies of the
required free inputs and enter this in parameter P221.
Hand+ and Hand- should be possible via the inputs; I1, I4, I5 and I6 should be
freely available.
1 (I1) + 8 (I4) +16 (I5) +32 (I6) = 57
You will obtain this setting using P221 = 57.
Note that when I1 is freely assigned (SHIFT), you can no longer
perform any "Functions with shift" via the inputs!
You can directly cancel all input functions (apart from Hand+ and Hand-) as
commands using interfaces (RS232, bus system).
♦
The status outputs O1 to O6 can be freely assigned using parameter P225.
♦
Use P223 and P224 to assign the outputs of the OUTPUT WORD command of
the bus systems (Interbus-S, Profibus, CAN – Bus, ...).
♦
Use P245 and P246 to assign the outputs of the HEDA bus (COMPAX with IPM
via the option A1).
♦
Permanently assigned outputs of unit variants (COMPAX XX30, ...) cannot be
masked.
RS232
Output x=y
bussystems
Output WORD
command line
bussystems
PLC data interface
HEDA via IPM
O1 ... O6
status outputs
or
≥
1
O1 ... O6
O1 ... O6
O7 ... O11
O1 ... O16
O1 ... O16
O7 ... O11
0
0
0
1
1
1
P18
= "1" or "3"
O12 ... O16
O1 ... O16
P225
P223 /
P224
P245 /
P246
towards
outputs
33
Counting starts at 1.
Free assignment
of inputs
Setting P221
Example:
Free assignment
of outputs
Structural diagram