{"id":1123,"date":"2026-07-06T20:21:01","date_gmt":"2026-07-06T20:21:01","guid":{"rendered":"https:\/\/stealthbus.net\/?page_id=1123"},"modified":"2026-07-06T21:26:41","modified_gmt":"2026-07-06T21:26:41","slug":"schematics-v2-0","status":"publish","type":"page","link":"https:\/\/stealthbus.net\/?page_id=1123","title":{"rendered":"Schematics : V2.1"},"content":{"rendered":"\n

Overall design<\/h2>\n\n\n\n

Similar to V1.2 – there two main panels:
– Controller panel, has Soliton, Contactors, DC-DC.
– BMS panel, has BMS and other low voltage monitoring<\/p>\n\n\n\n

\"Revised<\/a><\/figure>\n\n\n\n

Controller panel<\/h2>\n\n\n\n

Mounted on shelf where gas tank used to be<\/p>\n\n\n\n

\"Revised<\/a><\/figure>\n\n\n\n
LABEL<\/td>DESCRIPTION<\/td>NOTES<\/td><\/tr>
MC<\/td>Main Contactor<\/td>Isolates traction pack from all discharge circuits<\/td><\/tr>
IN1\/DOK<\/td>Discharge OK signal<\/td>Signal from BMS enabling Controller<\/td><\/tr>
IN2<\/td>RPM sensor<\/td>Signal from shaft sensor mounted on motor
(mislabeled TPS above)<\/td><\/tr>
OUT1<\/td>Temperature hot<\/td>Signal to enable Water Pump (WP)<\/td><\/tr>
THROT<\/td>Thottle connector<\/td>3 pin to position sensor under pedal<\/td><\/tr>
DCI<\/td>DC-DC Isolator Relay<\/td>Prevents parasitic draw from 12v battery
Note DC-DC L input is from switched side of MC not hot side as shown<\/td><\/tr>
RR<\/td>Run Relay<\/td>Powers all S12 systems. 12v when bus is “Started”.
Key has gone from ACC\/RUN -> START -> ACC\/RUN<\/td><\/tr>
RL<\/td>Run Latch Relay<\/td>Latches when ACC + START are both 12v<\/td><\/tr>
AVC2<\/td>Charger interface<\/td>Generates Pilot and Prox signal for J1772 connector<\/td><\/tr>
ACC<\/td>Accessory power<\/td>From Ignition switch<\/td><\/tr>
START<\/td>Start power<\/td>From Ignition switch<\/td><\/tr>
OIL<\/td>Oil lamp<\/td>Signal to “Oil” lamp on dashboard – indicates motor overheat<\/td><\/tr>
WP<\/td>Water Pump Relay<\/td>Enables liquid cooling for Soliton<\/td><\/tr>
MT<\/td>Motor Thermal Relay<\/td>Triggers if motor over temp closes, triggers “Oil” lamp<\/td><\/tr>
VI<\/td>Vacuum Initate Relay<\/td>Trigger on low vacuum for servo brakes (being replaced with always on version)<\/td><\/tr>
VP<\/td>Vacuum Power Relay<\/td>High load relay to power vacuum pump (being replaced with always on version)<\/td><\/tr>
12V<\/td>12v Battery<\/td>Connects via breaker to +12v side of aux battery<\/td><\/tr>
AMP<\/td>Amplifier<\/td>Connect to amplifer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

BMS panel <\/h2>\n\n\n\n

Inside charging area near sliding door (protected from elements)<\/p>\n\n\n\n

\"Revised<\/a><\/figure>\n\n\n\n
LABEL<\/td>DESCRIPTION<\/td>NOTES<\/td><\/tr>
VMa\/b<\/td>Voltmeter<\/td>Mounted on dashboard<\/td><\/tr>
AMa\/b<\/td>Ammeter<\/td>Mounted on dashboard<\/td><\/tr>
CHa\/b<\/td>Charger control<\/td>Connects to CC (Charge Control) Relay with control AC power to Charger<\/td><\/tr>
SOC<\/td>State of Charge<\/td>Connects to VW fuel guage on dashboard<\/td><\/tr>
DOK<\/td>Discharge OK<\/td>Connect to controller panel -> Soliton, enables drive<\/td><\/tr>
S12<\/td>Switched 12v<\/td>12v when bus is “Started”<\/td><\/tr>
GEN<\/td>Generator lamp<\/td>Used by BMS for any Fault condition with battery system<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Overall design Similar to V1.2 – there two main panels:– Controller panel, has Soliton, Contactors, DC-DC.– BMS panel, has BMS and other low voltage monitoring Controller panel Mounted on shelf where gas tank used to be LABEL DESCRIPTION NOTES MC Main Contactor Isolates traction pack from all discharge circuits IN1\/DOK Discharge OK signal Signal from […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"class_list":["post-1123","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/pages\/1123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stealthbus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1123"}],"version-history":[{"count":10,"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/pages\/1123\/revisions"}],"predecessor-version":[{"id":1142,"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/pages\/1123\/revisions\/1142"}],"wp:attachment":[{"href":"https:\/\/stealthbus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stealthbus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}