User Manual DEV 1953
104
Copyright DEV Systemtechnik GmbH 2015-2017
5.7.4.5
Request Crosspoint Status (S?{Lvl})
This is the command for querying the switching status of the device or of a level
>
@
<sp>
S?{Lvl}
<CR>
The "
{
""
}
" are indicating the level information as optional.
As described in chapter 5.7.1 two scenarios are to be distinguished:
5.7.4.5.1
Individual Switching Mode with Individual Switch Level Assignment Enabled
(i) The response to the command requesting the switching status of the device
>
@
<sp>
S?
<CR>
initiates the device answer
S:00,<Src0>
e.g.
S:00,1
S:10,<Src1>
S:10,0
(…)
(…)
S:F0,<SrcF>
S:F0,0
>_
with:
<Src0>
…
<SrcF>
being either
0
for input port "
In A
" or
1
for input port "
In B
".
(ii) The response to the command requesting the switching status of a level
>
@
<sp>
S?<Lvl>
<CR>
initiates the device answer
S:<Lvl>0,<Src>
e.g.
S:00,1
>_
with:
<Lvl>
being the number (minus 1) of the addressed switch module and
<Src>
being either
0
for input port "
In A
" or
1
for input port "
In B
".
5.7.4.5.2
Individual Switch Level Assignment Disabled
(i) The response to the command requesting the switching status of the device
>
@
<sp>
S?
<CR>
initiates the device answer
S:
G
1
S
11
,<Src
G
1
S
11
>
e.g.
S:00,1
S:
G
1
S
12
,<Src
G
1
S
12
>
S:10,0
(…)
(…)
S:
G
x
S
xy
,<Src
G
x
S
xy
>
S:
(x-1)(y-1)
,1
>_
with:
G
1
…G
x
as the level parameter that indicates the group number (minus 1) of
groups with one or more members (assuming that there are "
x
"
groups);
S
11
…S
xy
as the destination parameter that indicates the single switch modules
within a group (assuming that there are "
y
" ("
y
" may vary!) switch
modules within a group);
<Src
G
1
S
11
>
…
<Src
G
x
S
xy
>
as the source information indicating the switching status of the related
switch module which is either
0
for input port "
In A
"
or
1
for input port "
In B
".
