Help! Can't troubleshoot SCXI-1127 module.

[Alex Robles]

I recently got a SCXI 2000 chassis and a SCXI 1127 Multiplexer/Matrix module,
which I want to control through the RS-232 port of my PC using Labview 5.1.

Please anyone who might know how to troubleshoot the following help me, I'm
going nuts trying to figure it out:

1) I can't control the SCXI 1127 module using NI-Switch, I receive an error
message indicating that the instrument session is invalid when I try to
reset or self-test the instrument, therefore I am not sure if the switching
functions are operational. what's wrong?

2) The way I'm trying to control the multiplexer with Labview is I power
up
the chassis and then open my program, but as soon as the 'initialize' vi
kicks in the program jams. All the tim
e the 'online' led in the chassis is
blinking.
In order for it to work I have to run MAX, self test the chassis and then
run the 'initialize' vi, this way it'll work and the 'online' led stops
blinking. What's wrong?

3) I am initializing the chassis as SCXI1::4::INSTR, but when I use the
can_connect_channels vi, no combination of channels is a supported path.
What am I doing wrong?

4) The user manual and hardware installation instructions do not indicate
that the use of a SCXI-1200 module is needed, but the NI SCXI Troubleshootin
and Installation Wizard mentions the SCXI 1200 as one of the minimum requirements
to setting up a SCXI-2000 chassis. Which one should I go for?

Hope you can help me.

-Alex.

[kramerizio2]

Alex Robles wrote in message <38ff2897@newsgroups.ni.com>...
>

Hi Alex,

>I recently got a SCXI 2000 chassis and a SCXI 1127 Multiplexer/Matrix module,
>which I want to control through the RS-232 port of my PC using Labview 5.1.
>
>Please anyone who might know how to troubleshoot the following help me,
I'm
>going nuts trying to figure it out:
>
>1) I can't control the SCXI 1127 module using NI-Switch, I receive an error
>message indicating that the instrument session is invalid when I try to
>reset or self-test the instrument, therefore I am not sure if the switching
>functions are operational. what's wrong?
>
mmhhh, it is not clear if you are creating an instrument handler before calling
niSwitch_Reset:
this is something that it's worth checking. ni_Switch_initialize is the function
to use in this case.

>2) The way I'm trying to control the multiplexer with Labview is I power
>up
>the chassis and then open my program, but as soon as the 'initialize' vi
>kicks in the program jams. All the time the 'online' led in the chassis
is
>blinking.
>In order for it to work I have to run MAX, self test the chassis and then
>run the 'initialize' vi, this way it'll work and the 'online' led stops
>blinking. What's wrong?
>
*** The fact that in MAX you are able to test the chassis, indicates that
the configuration you set is correct.
I have an scxi-1127 in slot2 of an SCXI-2000 remote chassis in my setup.
My scxi-1127 is configured for 2-wire mode and with scxi-1331 accessory.
I am able to test the chassis in MAX, the message after test is "The chassis
has been verified"
I would suggest also to have a look on the examples that are on the root
of the NI-Switch CD under the directory "examples".
Also, on www.ni.com/support, searching for "1127", the document "KnowledgeBase
- 1TCG91PH - Using the NI 4060 Digital Multimeter with the SCXI-1127 - ..."
could give some hints as well.
'Hope this helps.

>3) I am initializing the chassis as SCXI1::4::INSTR, but when I use the
>can_connect_channels vi, no combination of channels is a supported path.
>What am I doing wrong?
>
*** niSwitch_Connect_Channels will execute correctly only if the channel
names used
are correct with regard to the mode you choose in MAX under the Channel tab
(under properties of the SCXI-1127).
If you are in 2-wire mode
for example you can connect ch2 to com0, or ch7 to com1.
Maybe you are configured in matrix mode with SCXI-1332 terminal mode ? In
this case your connections
should be rows and columns, something like r0 with c3 or similar.

>4) The user manual and hardware installation instructions do not indicate
>that the use of a SCXI-1200 module is needed, but the NI SCXI Troubleshootin
>and Installation Wizard mentions the SCXI 1200 as one of the minimum requirements
>to setting up a SCXI-2000 chassis. Which one should I go for?
>
SCXI-1200 is only needed if you are controlling analog modules inside the
scxi-2000
remote chassis. If your scxi-2000 chassis is populated with digital modules
ONLY (like the 1127, 1160, 1161 etc)
then you do not need the scxi-1200 controller: the serial connection will
be sufficient.

Regards,

Maurizio

>Hope you can help me.
>
>-Alex.

[Alex Robles]

Hey Maurizio, thanks for the reply, but the mystery is still unsolved. In
regard to:

1) In this case, I am actually using ni switch soft front panel, and I've
tried
SCXI1::4::SCANNER
SCXI1::4::MATRIX
SCXI1::4::INDEP(my SCXI 1127 is in slot 4)
None of them works, basically when I go to reset or self-test I get the message
"instrument session is invalid" .
I am not in Labview for this case.

2)I get the same message when I test the chassis in MAX, I've gone thru the
Labview examples, none of them works. I am thinking it could be the 1127
module, by the way, shouldn't it be in slot 4 for it to work properly? I
see that you placed it in slot 2.

3)In Labview, I am using the correct channel names according to the initialization,
and my program runs without errors(except on matrix mode), but it just indicates
that the path is not supported.

By the way, I can initialize(from Labview) only INSTR, SCANNER and INDEP
modes, but I can't initialize MATRIX mode, I get the error "id query function
failed". Also, when I try to get the firmware version, I don't get a return
string, only the driver version string. Could it be the module?

HELP!

"Maurizio Basso" wrote:
>>>Alex Robles wrote in message <38ff2897@newsgroups.ni.com>...>>>>Hi Alex,>>>I
recently got a SCXI 2000 chassis and a SCXI 1127 Multiplexer/Matrix module,>>which
I want to control through the RS-232 port of my PC using Labview 5.1.>>>>Please
anyone who might know how to troubleshoot the following help me,>I'm>>going
nuts trying to figure it out:>>>>1) I can't control the SCXI 1127 module
using NI-Switch, I receive an error>>message indicating that the instrument
session is invalid when I try to>>reset or self-test the instrument, therefore
I am not sure if the switching>>functions are operational. what's wrong?>>>mmhhh,
it is not clear if you are creating an instrument handler before calling>niSwitch_Reset:>this
is something that it's worth checking. ni_Switch_initialize is the function>to
use in this case.>>>2) The way I'm trying to control the multiplexer with
Labview is I power>>up>>the chassis and then open my program, but as soon
as the 'initialize' vi>>kicks in the program jams. All the time the 'online'
led in the chassis>is>>blinking.>>In order for it to work I have to run MAX,
self test the chassis and then>>run the 'initialize' vi, this way it'll work
and the 'online' led stops>>blinking. What's wrong?>>>*** The fact that in
MAX you are able to test the chassis, indicates that>the configuration you
set is correct.>I have an scxi-1127 in slot2 of an SCXI-2000 remote chassis
in my setup.>My scxi-1127 is configured for 2-wire mode and with scxi-1331
accessory.>I am able to test the chassis in MAX, the message after test is
"The chassis>has been verified">I would suggest also to have a look on the
examples that are on the root>of the NI-Switch CD under the directory "examples".>Also,
on www.ni.com/support, searching for "1127", the document "KnowledgeBase>-
1TCG91PH - Using the NI 4060 Digital Multimeter with the SCXI-1127 - ...">could
give some hints as well. >'Hope this helps.>>>3) I am initializing the chassis
as SCXI1::4::INSTR, but when I use the>>can_connect_channels vi, no combination
of channels is a supported path.>>What am I doing wrong?>>>*** niSwitch_Connect_Channels
will execute correctly only if the channel>names used>are correct with regard
to the mode you choose in MAX under the Channel tab>(under properties of
the SCXI-1127).> If you are in 2-wire mode >for example you can connect ch2
to com0, or ch7 to com1.>Maybe you are configured in matrix mode with SCXI-1332
terminal mode ? In>this case your connections>should be rows and columns,
something like r0 with c3 or similar.>>>4) The user manual and hardware installation
instructions do not indicate>>that the use of a SCXI-1200 module is needed,
but the NI SCXI Troubleshootin>>and Installation Wizard mentions the SCXI
1200 as one of the minimum requirements>>to setting up a SCXI-2000 chassis.
Which one should I go for?>>>SCXI-1200 is only needed if you are controlling
analog modules inside the>scxi-2000>remote chassis. If your scxi-2000 chassis
is populated with digital modules>ONLY (like the 1127, 1160, 1161 etc)>then
you do not need the scxi-1200 controller: the serial connection will>be sufficient.
>>Regards,>>Maurizio>>>Hope you can help me.>>>>-Alex.

[kramerizio2]

Hi Alex,

sorry that the mistery is still unsolved: let's see if we can progress.

Hmm, I agree with you that at this point it is useful to verify that the
module is actually working (I assume you do not have another module to try,
to verify this theory).

Let's start from the beginning, to make sure we do not miss anything.
First, let's verify that the module in Max is correctly recognized. I am
a little confused because in the first message I read that to make the chassis
working you have to test the chassis in MAX and then it works, while in the
second message I read that MAX cannot interact correctly with the module
(maybe I am not giving the right interpretation to your sentences). I would
delete your chassis from MAX and re-install it, with right-click on "devices
and interfaces" -> insert -> Scxi 2000.
Your are actually advised to place the module in slot 4 as general guidance:
in the specific case of serial control of SCXI chassis (SCXI 2000) any slot
would be ok.
At this point, just to try the most manual way, configure the module SCXI-1127
without auto-detection, manually specifying that in slot 4 you have the SCXI-1127.
at this point, if a right click on the SCXI chassis in MAX does not allow
you to have a positive test of the chassis, we might have a problem with
the specific module.

Please let me know.
Thank you,

Maurizio

"Alex Robles" wrote:
>>Hey Maurizio, thanks for the reply, but the mystery is still unsolved.
In>regard to:>>1) In this case, I am actually using ni switch soft front
panel, and I've>tried>SCXI1::4::SCANNER>SCXI1::4::MATRIX>SCXI1::4::INDEP(my
SCXI 1127 is in slot 4)>None of them works, basically when I go to reset
or self-test I get the message>"instrument session is invalid" .>I am not
in Labview for this case.>>2)I get the same message when I test the chassis
in MAX, I've gone thru the>Labview examples, none of them works. I am thinking
it could be the 1127>module, by the way, shouldn't it be in slot 4 for it
to work properly? I>see that you placed it in slot 2.>>3)In Labview, I am
using the correct channel names according to the initialization,>and my program
runs without errors(except on matrix mode), but it just indicates>that the
path is not supported.>>By the way, I can initialize(from Labview) only INSTR,
SCANNER and INDEP>modes, but I can't initialize MATRIX mode, I get the error
"id query function>failed". Also, when I try to get the firmware version,
I don't get a return>string, only the driver version string. Could it be
the module?>>HELP!>>"Maurizio Basso" wrote:>>>>Alex
Robles wrote in message <38ff2897@newsgroups.ni.com>...>>>>Hi Alex,>>>I>recently
got a SCXI 2000 chassis and a SCXI 1127 Multiplexer/Matrix module,>>which>I
want to control through the RS-232 port of my PC using Labview 5.1.>>>>Please>anyone
who might know how to troubleshoot the following help me,>I'm>>going>nuts
trying to figure it out:>>>>1) I can't control the SCXI 1127 module>using
NI-Switch, I receive an error>>message indicating that the instrument>session
is invalid when I try to>>reset or self-test the instrument, therefore>I
am not sure if the switching>>functions are operational. what's wrong?>>>mmhhh,>it
is not clear if you are creating an instrument handler before calling>niSwitch_Reset:>this>is
something that it's worth checking. ni_Switch_initialize is the function>to>use
in this case.>>>2) The way I'm trying to control the multiplexer with>Labview
is I power>>up>>the chassis and then open my program, but as soon>as the
'initialize' vi>>kicks in the program jams. All the time the 'online'>led
in the chassis>is>>blinking.>>In order for it to work I have to run MAX,>self
test the chassis and then>>run the 'initialize' vi, this way it'll work>and
the 'online' led stops>>blinking. What's wrong?>>>*** The fact that in>MAX
you are able to test the chassis, indicates that>the configuration you>set
is correct.>I have an scxi-1127 in slot2 of an SCXI-2000 remote chassis>in
my setup.>My scxi-1127 is configured for 2-wire mode and with scxi-1331>accessory.>I
am able to test the chassis in MAX, the message after test is>"The chassis>has
been verified">I would suggest also to have a look on the>examples that are
on the root>of the NI-Switch CD under the directory "examples".>Also,>on
www.ni.com/support, searching for "1127", the document "KnowledgeBase>->1TCG91PH
- Using the NI 4060 Digital Multimeter with the SCXI-1127 - ...">could>give
some hints as well. >'Hope this helps.>>>3) I am initializing the chassis>as
SCXI1::4::INSTR, but when I use the>>can_connect_channels vi, no combination>of
channels is a supported path.>>What am I doing wrong?>>>*** niSwitch_Connect_Channels>will
execute correctly only if the channel>names used>are correct with regard>to
the mode you choose in MAX under the Channel tab>(under properties of>the
SCXI-1127).> If you are in 2-wire mode >for example you can connect ch2>to
com0, or ch7 to com1.>Maybe you are configured in matrix mode with SCXI-1332>terminal
mode ? In>this case your connections>should be rows and columns,>something
like r0 with c3 or similar.>>>4) The user manual and hardware installation>instructions
do not indicate>>that the use of a SCXI-1200 module is needed,>but the NI
SCXI Troubleshootin>>and Installation Wizard mentions the SCXI>1200 as one
of the minimum requirements>>to setting up a SCXI-2000 chassis.>Which one
should I go for?>>>SCXI-1200 is only needed if you are controlling>analog
modules inside the>scxi-2000>remote chassis. If your scxi-2000 chassis>is
populated with digital modules>ONLY (like the 1127, 1160, 1161 etc)>then>you
do not need the scxi-1200 controller: the serial connection will>be sufficient.>>>Regards,>>Maurizio>>>Hope
you can help me.>>>>-Alex.

[Alex Robles]

Maurizio,

Thanks a lot for your help, I deleted the chassis and re-installed it in
the way you told me. The only problem is, I can't manually detect modules,
when expanding the SCXI 2000 device, I get no listing of slots, this is,
when clicking on the '+', the list of modules in the chassis is not displayed.

I proceeded to auto-detect modules, and the SCXI 1127 gets detected in the
correct slot, but again when trying to get the listing of modules, it won't
be displayed.

I refuse to think the chassis is damaged since it's brand new, what else
could be wrong?


"Maurizio Basso" wrote:
>>Hi Alex,>>sorry that the mistery is still unsolved: let's see if we can
progress.>>Hmm, I agree with you that at this point it is useful to verify
that the>module is actually working (I assume you do not have another module
to try,>to verify this theory).>>Let's start from the beginning, to make
sure we do not miss anything.>First, let's verify that the module in Max
is correctly recognized. I am>a little confused because in the first message
I read that to make the chassis>working you have to test the chassis in MAX
and then it works, while in the>second message I read that MAX cannot interact
correctly with the module>(maybe I am not giving the right interpretation
to your sentences). I would>delete your chassis from MAX and re-install it,
with right-click on "devices>and interfaces" -> insert -> Scxi 2000.>Your
are actually advised to place the module in slot 4 as general guidance:>in
the specific case of serial control of SCXI chassis (SCXI 2000) any slot>would
be ok.>At this point, just to try the most manual way, configure the module
SCXI-1127>without auto-detection, manually specifying that in slot 4 you
have the SCXI-1127.>at this point, if a right click on the SCXI chassis in
MAX does not allow>you to have a positive test of the chassis, we might have
a problem with>the specific module.>>Please let me know.>Thank you,>>Maurizio>>"Alex
Robles" wrote:>>>Hey Maurizio, thanks for the reply,
but the mystery is still unsolved.>In>regard to:>>1) In this case, I am actually
using ni switch soft front>panel, and I've>tried>SCXI1::4::SCANNER>SCXI1::4::MATRIX>SCXI1::4::INDEP(my>SCXI
1127 is in slot 4)>None of them works, basically when I go to reset>or self-test
I get the message>"instrument session is invalid" .>I am not>in Labview for
this case.>>2)I get the same message when I test the chassis>in MAX, I've
gone thru the>Labview examples, none of them works. I am thinking>it could
be the 1127>module, by the way, shouldn't it be in slot 4 for it>to work
properly? I>see that you placed it in slot 2.>>3)In Labview, I am>using the
correct channel names according to the initialization,>and my program>runs
without errors(except on matrix mode), but it just indicates>that the>path
is not supported.>>By the way, I can initialize(from Labview) only INSTR,>SCANNER
and INDEP>modes, but I can't initialize MATRIX mode, I get the error>"id
query function>failed". Also, when I try to get the firmware version,>I don't
get a return>string, only the driver version string. Could it be>the module?>>HELP!>>"Maurizio
Basso" wrote:>>>>Alex>Robles wrote in message <38ff2897@newsgroups.ni.com>...>>>>Hi
Alex,>>>I>recently>got a SCXI 2000 chassis and a SCXI 1127 Multiplexer/Matrix
module,>>which>I>want to control through the RS-232 port of my PC using Labview
5.1.>>>>Please>anyone>who might know how to troubleshoot the following help
me,>I'm>>going>nuts>trying to figure it out:>>>>1) I can't control the SCXI
1127 module>using>NI-Switch, I receive an error>>message indicating that
the instrument>session>is invalid when I try to>>reset or self-test the instrument,
therefore>I>am not sure if the switching>>functions are operational. what's
wrong?>>>mmhhh,>it>is not clear if you are creating an instrument handler
before calling>niSwitch_Reset:>this>is>something that it's worth checking.
ni_Switch_initialize is the function>to>use>in this case.>>>2) The way I'm
trying to control the multiplexer with>Labview>is I power>>up>>the chassis
and then open my program, but as soon>as the>'initialize' vi>>kicks in the
program jams. All the time the 'online'>led>in the chassis>is>>blinking.>>In
order for it to work I have to run MAX,>self>test the chassis and then>>run
the 'initialize' vi, this way it'll work>and>the 'online' led stops>>blinking.
What's wrong?>>>*** The fact that in>MAX>you are able to test the chassis,
indicates that>the configuration you>set>is correct.>I have an scxi-1127
in slot2 of an SCXI-2000 remote chassis>in>my setup.>My scxi-1127 is configured
for 2-wire mode and with scxi-1331>accessory.>I>am able to test the chassis
in MAX, the message after test is>"The chassis>has>been verified">I would
suggest also to have a look on the>examples that are>on the root>of the NI-Switch
CD under the directory "examples".>Also,>on>www.ni.com/support, searching
for "1127", the document "KnowledgeBase>->1TCG91PH>- Using the NI 4060 Digital
Multimeter with the SCXI-1127 - ...">could>give>some hints as well. >'Hope
this helps.>>>3) I am initializing the chassis>as>SCXI1::4::INSTR, but when
I use the>>can_connect_channels vi, no combination>of>channels is a supported
path.>>What am I doing wrong?>>>*** niSwitch_Connect_Channels>will>execute
correctly only if the channel>names used>are correct with regard>to>the mode
you choose in MAX under the Channel tab>(under properties of>the>SCXI-1127).>
If you are in 2-wire mode >for example you can connect ch2>to>com0, or ch7
to com1.>Maybe you are configured in matrix mode with SCXI-1332>terminal>mode
? In>this case your connections>should be rows and columns,>something>like
r0 with c3 or similar.>>>4) The user manual and hardware installation>instructions>do
not indicate>>that the use of a SCXI-1200 module is needed,>but the NI>SCXI
Troubleshootin>>and Installation Wizard mentions the SCXI>1200 as one>of
the minimum requirements>>to setting up a SCXI-2000 chassis.>Which one>should
I go for?>>>SCXI-1200 is only needed if you are controlling>analog>modules
inside the>scxi-2000>remote chassis. If your scxi-2000 chassis>is>populated
with digital modules>ONLY (like the 1127, 1160, 1161 etc)>then>you>do not
need the scxi-1200 controller: the serial connection will>be sufficient.>>>Regards,>>Maurizio>>>Hope>you
can help me.>>>>-Alex.

[kramerizio2]

for the community: we solved the problem checking the configuration under
MAX (Measurement and Automation Explorer). We had to set the accessory for
the SCXI-1127 module to "SCXI-1332" instead of "SCXI-1331" (default value):
in this way, we tell the system that the module will be used in Matrix mode.

Hope this will help other users,

Maurizio



"Alex Robles" wrote:
>>Maurizio,>>Thanks a lot for your help, I deleted the chassis and re-installed
it in>the way you told me. The only problem is, I can't manually detect modules,>when
expanding the SCXI 2000 device, I get no listing of slots, this is,>when
clicking on the '+', the list of modules in the chassis is not displayed.>>I
proceeded to auto-detect modules, and the SCXI 1127 gets detected in the>correct
slot, but again when trying to get the listing of modules, it won't>be displayed.>>I
refuse to think the chassis is damaged since it's brand new, what else>could
be wrong?>>>"Maurizio Basso" wrote:>>>Hi Alex,>>sorry
that the mistery is still unsolved: let's see if we can>progress.>>Hmm, I
agree with you that at this point it is useful to verify>that the>module
is actually working (I assume you do not have another module>to try,>to verify
this theory).>>Let's start from the beginning, to make>sure we do not miss
anything.>First, let's verify that the module in Max> is correctly recognized.
I am>a little confused because in the first message>I read that to make the
chassis>working you have to test the chassis in MAX>and then it works, while
in the>second message I read that MAX cannot interact>correctly with the
module>(maybe I am not giving the right interpretation>to your sentences).
I would>delete your chassis from MAX and re-install it,>with right-click
on "devices>and interfaces" -> insert -> Scxi 2000.>Your>are actually advised
to place the module in slot 4 as general guidance:>in>the specific case of
serial control of SCXI chassis (SCXI 2000) any slot>would>be ok.>At this
point, just to try the most manual way, configure the module>SCXI-1127>without
auto-detection, manually specifying that in slot 4 you>have the SCXI-1127.>at
this point, if a right click on the SCXI chassis in>MAX does not allow>you
to have a positive test of the chassis, we might have>a problem with>the
specific module.>>Please let me know.>Thank you,>>Maurizio>>"Alex>Robles"
wrote:>>>Hey Maurizio, thanks for the reply,>but
the mystery is still unsolved.>In>regard to:>>1) In this case, I am actually>using
ni switch soft front>panel, and I've>tried>SCXI1::4::SCANNER>SCXI1::4::MATRIX>SCXI1::4::INDEP(my>SCXI>1127
is in slot 4)>None of them works, basically when I go to reset>or self-test>I
get the message>"instrument session is invalid" .>I am not>in Labview for>this
case.>>2)I get the same message when I test the chassis>in MAX, I've>gone
thru the>Labview examples, none of them works. I am thinking>it could>be
the 1127>module, by the way, shouldn't it be in slot 4 for it>to work>properly?
I>see that you placed it in slot 2.>>3)In Labview, I am>using the>correct
channel names according to the initialization,>and my program>runs>without
errors(except on matrix mode), but it just indicates>that the>path>is not
supported.>>By the way, I can initialize(from Labview) only INSTR,>SCANNER>and
INDEP>modes, but I can't initialize MATRIX mode, I get the error>"id>query
function>failed". Also, when I try to get the firmware version,>I don't>get
a return>string, only the driver version string. Could it be>the module?>>HELP!>>"Maurizio>Basso"
wrote:>>>>Alex>Robles wrote in message <38ff2897@newsgroups.ni.com>...>>>>Hi>Alex,>>>I>recently>got
a SCXI 2000 chassis and a SCXI 1127 Multiplexer/Matrix>module,>>which>I>want
to control through the RS-232 port of my PC using Labview>5.1.>>>>Please>anyone>who
might know how to troubleshoot the following help>me,>I'm>>going>nuts>trying
to figure it out:>>>>1) I can't control the SCXI>1127 module>using>NI-Switch,
I receive an error>>message indicating that>the instrument>session>is invalid
when I try to>>reset or self-test the instrument,>therefore>I>am not sure
if the switching>>functions are operational. what's>wrong?>>>mmhhh,>it>is
not clear if you are creating an instrument handler>before calling>niSwitch_Reset:>this>is>something
that it's worth checking.>ni_Switch_initialize is the function>to>use>in
this case.>>>2) The way I'm>trying to control the multiplexer with>Labview>is
I power>>up>>the chassis>and then open my program, but as soon>as the>'initialize'
vi>>kicks in the>program jams. All the time the 'online'>led>in the chassis>is>>blinking.>>In>order
for it to work I have to run MAX,>self>test the chassis and then>>run>the
'initialize' vi, this way it'll work>and>the 'online' led stops>>blinking.>What's
wrong?>>>*** The fact that in>MAX>you are able to test the chassis,>indicates
that>the configuration you>set>is correct.>I have an scxi-1127>in slot2 of
an SCXI-2000 remote chassis>in>my setup.>My scxi-1127 is configured>for 2-wire
mode and with scxi-1331>accessory.>I>am able to test the chassis>in MAX,
the message after test is>"The chassis>has>been verified">I would>suggest
also to have a look on the>examples that are>on the root>of the NI-Switch>CD
under the directory "examples".>Also,>on>www.ni.com/support, searching>for
"1127", the document "KnowledgeBase>->1TCG91PH>- Using the NI 4060 Digital>Multimeter
with the SCXI-1127 - ...">could>give>some hints as well. >'Hope>this helps.>>>3)
I am initializing the chassis>as>SCXI1::4::INSTR, but when>I use the>>can_connect_channels
vi, no combination>of>channels is a supported>path.>>What am I doing wrong?>>>***
niSwitch_Connect_Channels>will>execute>correctly only if the channel>names
used>are correct with regard>to>the mode>you choose in MAX under the Channel
tab>(under properties of>the>SCXI-1127).>>If you are in 2-wire mode >for
example you can connect ch2>to>com0, or ch7>to com1.>Maybe you are configured
in matrix mode with SCXI-1332>terminal>mode>? In>this case your connections>should
be rows and columns,>something>like>r0 with c3 or similar.>>>4) The user
manual and hardware installation>instructions>do>not indicate>>that the use
of a SCXI-1200 module is needed,>but the NI>SCXI>Troubleshootin>>and Installation
Wizard mentions the SCXI>1200 as one>of>the minimum requirements>>to setting
up a SCXI-2000 chassis.>Which one>should>I go for?>>>SCXI-1200 is only needed
if you are controlling>analog>modules>inside the>scxi-2000>remote chassis.
If your scxi-2000 chassis>is>populated>with digital modules>ONLY (like the
1127, 1160, 1161 etc)>then>you>do not>need the scxi-1200 controller: the
serial connection will>be sufficient.>>>Regards,>>Maurizio>>>Hope>you>can
help me.>>>>-Alex.