Ich brauche Hilfe bei meiner Konfiguration
- T_D
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03 Jan 2026 11:53 #340913
by T_D
Ich brauche Hilfe bei meiner Konfiguration was created by T_D
Hallo zusammen und Frohes neues erstmal , ich habe mich über die feiertage an die Konfiguration meiner mesa karten gesetzt und habe mich ein weni mit dem mesa ct vertraut gemacht da ich nicht so wirklich bewandert bin die hal frei schnautze zu schreiben wollte ich mit mit mesa ct weiterhelfen , jedoch ist es so dass ich dort nur meine hauptkarte die 7i97t sehe und erkenne und das bitfile welces ich drauf geladen habe ist das welches für die 797t und 7i74 ist welches ich auch so über den expansion port nutzen möchte desweiteren soll die kombination der karten noch mit einer 7i73 fürs panel und einer 7i84u erweitert werden . Jetzt zu meinen fragen kann ich die beiden karten per cat 6 kabel an meine 7i74 anschließen oder ist es besser da noch was über den smart serial anschluss über die karte laufen zu lassen bzw ich habe das ganze schonmal angesteckt die bekommen auch strom bzw die leds leuchten aber bei dem befehl halcmd show pin sehe ich nur einzig und allein die 7i97t aufgeführt und wie ist das wie geht man da vor oder was muss ich da anders machen ich bin da die tage schon so verzweifelt dran . einen kleinen Erfolg gab es zwar schon da ich mir damit dann ein wenig Verständnis in der ganzen Geschichte verschaffen möchte und zwar hab ich es geschafft eine Led mit einem widerstand zwischen über die 797t anzusteuern da hab ich mich sehr drüber gefreut aber das andere ist mir echt ein Rätsel . Gruß Tom und ich freue mich über die antworten , und bitte die antworten ein wenig einfacher mit beschrieben Fachbegriffen erstellen da ich noch kompletter Neuling in was das angeht .
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- tommylight
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03 Jan 2026 12:21 #340916
by tommylight
Replied by tommylight on topic Ich brauche Hilfe bei meiner Konfiguration
Google translation:
Over the holidays, I worked on configuring my Mesa cards and familiarized myself a bit with the Mesa CT. Since I'm not very experienced in writing things off the cuff, I wanted to help you with Mesa CT. However, I only see and recognize my main card, the 7i97t, and the bitfile I loaded is the one for the 797t and 7i74, which is what I want to use via the expansion port. Furthermore, the card combination is to be expanded with a 7i73 for the panel and a 7i84u. Now to my questions: Can I connect the two cards to my 7i74 using a Cat 6 cable, or is it better to run something else through the smart serial port on the card? I've already plugged everything in, and they're getting power; the LEDs light up. But when I use the `halcmd show pin` command, I only see the 7i97t listed. What's going on? How do I proceed, or what do I need to do differently? I've been getting so frustrated with this for days. I did have a small success, though, because I'm hoping to gain a better understanding of the whole thing. I managed to control an LED with a resistor through the 797t, which I was very happy about. But the rest is a complete mystery to me. Thanks, Tom. I look forward to your answers, and please explain the technical terms a bit more simply, as I'm a complete beginner in this area.
Over the holidays, I worked on configuring my Mesa cards and familiarized myself a bit with the Mesa CT. Since I'm not very experienced in writing things off the cuff, I wanted to help you with Mesa CT. However, I only see and recognize my main card, the 7i97t, and the bitfile I loaded is the one for the 797t and 7i74, which is what I want to use via the expansion port. Furthermore, the card combination is to be expanded with a 7i73 for the panel and a 7i84u. Now to my questions: Can I connect the two cards to my 7i74 using a Cat 6 cable, or is it better to run something else through the smart serial port on the card? I've already plugged everything in, and they're getting power; the LEDs light up. But when I use the `halcmd show pin` command, I only see the 7i97t listed. What's going on? How do I proceed, or what do I need to do differently? I've been getting so frustrated with this for days. I did have a small success, though, because I'm hoping to gain a better understanding of the whole thing. I managed to control an LED with a resistor through the 797t, which I was very happy about. But the rest is a complete mystery to me. Thanks, Tom. I look forward to your answers, and please explain the technical terms a bit more simply, as I'm a complete beginner in this area.
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- PCW
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03 Jan 2026 16:48 #340924
by PCW
Replied by PCW on topic Ich brauche Hilfe bei meiner Konfiguration
Can you post your hal and ini files?
The sserial_port0=something stanza in the driver command line
in the hal or ini file will determine which sserisl channels are enabled.
Does the 7I74 have 5V power?
The sserial_port0=something stanza in the driver command line
in the hal or ini file will determine which sserisl channels are enabled.
Does the 7I74 have 5V power?
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- T_D
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03 Jan 2026 21:29 #340937
by T_D
Replied by T_D on topic Ich brauche Hilfe bei meiner Konfiguration
Hello , i had figured out what the mistake was , i think i had taken bad cables because i took other cables and now the connection works and i have made some exercises for myself with a led and some playing with hal commands and now the 7i73 and the 7i84u is connected to the 7i74 per cat 6 cables and with the command " halcmd show pin" i am able to see 7i97t_7i73 and 7i97t_7i84u . Another question , why are there two vfield a and two vfield b screw terminals for the 7i84u for power supply and for what stands VIN ? I couldnt figure that out . Thanks for your answer.
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- PCW
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03 Jan 2026 22:15 #340940
by PCW
Replied by PCW on topic Ich brauche Hilfe bei meiner Konfiguration
The 7I84/7I84U has split field power supplies so you can have different
voltages (say 5V and 24V) on the inputs and outputs
You can normally ignore VIN as it powered by field power when W1 is in the default
left position.
voltages (say 5V and 24V) on the inputs and outputs
You can normally ignore VIN as it powered by field power when W1 is in the default
left position.
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03 Jan 2026 22:25 #340941
by T_D
Replied by T_D on topic Ich brauche Hilfe bei meiner Konfiguration
Okay , thanks i want to use this board combined with a breakout board where the original flat cable sub d plugs are connected so i want to get +24v input signals and 24v output signals that means i just have to connect field a and b with the +24v from my power supply or do i have to connecht the two a and b with a bridge ?
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