diff --git a/TSAL-schematic/TSAL-schematic.pdf b/TSAL-schematic/TSAL-schematic.pdf index cd5c6ad..aa44501 100644 Binary files a/TSAL-schematic/TSAL-schematic.pdf and b/TSAL-schematic/TSAL-schematic.pdf differ diff --git a/TSAL-schematic/TSAL-schematic.tex b/TSAL-schematic/TSAL-schematic.tex index 0dea6cb..d73c9e2 100644 --- a/TSAL-schematic/TSAL-schematic.tex +++ b/TSAL-schematic/TSAL-schematic.tex @@ -38,28 +38,27 @@ \section{TS\_Error Latching} See: \hyperlink{./Documents/Master_FT25.pdf.2}{AMS Master - TSAL Logic} \\ -Once the state of $\overline{\mathrm{TS\_Error}}$ is reached for more then $1s$ (to prevent noise from causing an error), the latch U8 (74LVC1G74 \cite{latch_datasheet}) will be triggered. -This cannot be reset, unless a LVS power cycle is carried out. The backup pull-down resistor R9 for discharging the capacitor can also be placed if the CLR pin does not discharge fast enough. +Once the state of $\overline{\mathrm{TS\_Error}}$ is reached for more then $1s$ (to prevent noise from causing an error), the latch \texttt{U8} (74LVC1G74) will be triggered.\cite{latch_datasheet} +This cannot be reset, unless a LVS power cycle is carried out. The backup pull-down resistor \texttt{R9} is for discharging the capacitor, it can be placed if the \texttt{CLR} pin does not discharge fast enough. \subsection{IMD Latching} -\begin{itemize} - \item The \texttt{IMD\_OK} signal is pulled high approximately 1.5 seconds after startup for the IR155-3204 IMD. \cite{imd_datasheet} - \item Therefore the Power-on Reset (PoR) lasts approximately 2 seconds. +See: \hyperlink{./Documents/Master_FT25.pdf.8}{AMS Master - SDC Latching} \\ + +The \texttt{IMD\_OK} signal is pulled high approximately 1.5 seconds after startup for the IR155-3204 IMD. \cite{imd_datasheet} Therefore the Power-on Reset (PoR) lasts approximately 2 seconds. -\end{itemize} \subsection{AMS Latching} -\begin{itemize} - \item The \texttt{AMS\_OK} signal is pulled low until the following conditions are met: - \begin{itemize} - \item The AMS Master communicates with all six AMS Slaves, each providing valid voltage and temperature measurements. - \item The AMS Master communicates with the shunt sensor (IVT-S-300-U3-I-CAN2-12/24) - \end{itemize} -\end{itemize} +See: \hyperlink{./Documents/Master_FT25.pdf.8}{AMS Master - SDC Latching} \\ + +The \texttt{AMS\_OK} signal is pulled low until the following conditions are met: + \begin{itemize} + \item The AMS Master successfully communicates with all six AMS Slaves, each providing valid voltage and temperature measurements. + \item The AMS Master successfully communicates with the shunt sensor (IVT-S-300-U3-I-CAN2-12/24)\cite{shunt_datasheet} + \end{itemize} \begin{center} \begin{circuitikz}[] % LEGEND - \draw[green!50!black] (0,2) -- ++(1,0); - \draw (1,2) node[right]{$0.13mm^2$ unshielded - RS PRO 8724476, 2A}; + \draw[green!50!black] (3,2) -- ++(1,0); + \draw (4,2) node[right]{$0.13mm^2$ unshielded - RS PRO 8724476, 2A}; % IMD \node[draw, minimum width=1.5cm, minimum height=1cm, label=above:IR155-3204] (IMD) at (0,0) {IMD}; @@ -102,8 +101,8 @@ This cannot be reset, unless a LVS power cycle is carried out. The backup pull-d See: \hyperlink{./Documents/Master_FT25.pdf.12}{AMS Master - AIR Relay State Detection} \\ The relay state is measured through a set of voltage dividers and window comparator circuits. -The \texttt{Closed} signal is used for the state detection logic (which controls the TSAL green LEDs). When the aux cable are open, it is the same as the $\overline{\mathrm{Closed}}$ state, -which will keep the green TSAL off. The "short to GND" state can be ruled out by the comparator which compares the signal with a \SI{0.3}{\volt} reference. \\ +The \texttt{Closed} signal is used for the state detection logic. When the aux connection is open, it is the same as the $\neg$\texttt{Closed} state, +which will keep the green TSAL off. The "short to ground" state can be ruled out by the comparator by comparing the signal with the \SI{0.3}{\volt} reference. \\ \noindent See: \hyperlink{./Documents/Master_FT25.pdf.14}{AMS Master - Precharge State Detection} \\ @@ -112,13 +111,12 @@ Here, the TS voltage on the inverter side is measured to check whether the prech This signal is then compared with the AIR+ and precharge control signal to check if a mismatch is present. The rule T11.9.2 does not apply here since no additional wires are used (all circuits are integrated on the PCB.) -\newpage \subsection{TS\_Off / TSAL\_Green} See: \hyperlink{./Documents/DC.pdf.1}{Discharge Circuit} \\ The \texttt{TS\_Off} signal (also labeled as \texttt{TSAL\_Green} in the schematics) is transmitted to the TSAL system via a dedicated wire connection. -If this wire becomes disconnected, the pull-down resistor R16 ensures that the constant current driver (IS32LT3178~\cite{driver_datasheet}) is disabled, preventing unintended LED activation. \\ +If this wire becomes disconnected, the pull-down resistor \texttt{R16} ensures that the constant current driver (IS32LT3178) is disabled, preventing unintended LED activation.\cite{driver_datasheet} \\ \noindent See: \hyperlink{./Documents/dashboard-FT25.pdf.2}{Dashboard} \\ @@ -130,12 +128,6 @@ All three status signals are transmitted via the CAN bus every 50~ms. If the dashboard does not receive a valid CAN message from the AMS Master within 150~ms, it will enter a timeout condition and revert to the default LED states. Due to the CAN protocol's built-in checksum mechanism, this timeout condition will also occur in cases of persistent data corruption. -\includepdf[pages={9,8,3}, landscape=true, link]{./Documents/Master_FT25.pdf} % SDC Latching -\includepdf[pages={5,15}, landscape=true, link, pagetemplate=9]{./Documents/Master_FT25.pdf} % Relay Driver -\includepdf[pages={2,11,12,14}, landscape=true, link, pagetemplate=9]{./Documents/Master_FT25.pdf} % TSAL -\includepdf[landscape=true, link]{./Documents/DC.pdf} -\includepdf[page={1,2}, landscape=true, link]{./Documents/dashboard-FT25.pdf} - \renewcommand\refname{Reference} \begin{thebibliography}{00} @@ -148,4 +140,11 @@ Due to the CAN protocol's built-in checksum mechanism, this timeout condition wi \end{thebibliography} -\end{document} + +\includepdf[pages={9,8,3}, landscape=true, link]{./Documents/Master_FT25.pdf} % SDC Latching +\includepdf[pages={5,15}, landscape=true, link, pagetemplate=9]{./Documents/Master_FT25.pdf} % Relay Driver +\includepdf[pages={2,11,12,14}, landscape=true, link, pagetemplate=9]{./Documents/Master_FT25.pdf} % TSAL +\includepdf[landscape=true, link]{./Documents/DC.pdf} +\includepdf[page={1,2}, landscape=true, link]{./Documents/dashboard-FT25.pdf} + +\end{document} \ No newline at end of file