{"id":117,"date":"2026-07-05T00:00:00","date_gmt":"2026-07-05T00:00:00","guid":{"rendered":"http:\/\/stealthbus-117"},"modified":"2026-07-07T19:18:06","modified_gmt":"2026-07-07T19:18:06","slug":"schematics","status":"publish","type":"page","link":"https:\/\/stealthbus.net\/?page_id=117","title":{"rendered":"Schematics"},"content":{"rendered":"\n

Revisions<\/h2>\n\n\n\n
Revision<\/td>Notes<\/td>Link<\/td><\/tr>
V1.2<\/td>Lead Pack, LogiSystems Controller<\/td>Schematics : V1.2<\/a><\/td><\/tr>
V2.1<\/td>GBS Pack, Soliton Jr Controller<\/td>Current<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

V2.1 – 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":"

Revisions Revision Notes Link V1.2 Lead Pack, LogiSystems Controller Schematics : V1.2 V2.1 GBS Pack, Soliton Jr Controller Current V2.1 – 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 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[20],"class_list":["post-117","page","type-page","status-publish","hentry","category-controller"],"_links":{"self":[{"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/pages\/117","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=117"}],"version-history":[{"count":5,"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/pages\/117\/revisions"}],"predecessor-version":[{"id":1232,"href":"https:\/\/stealthbus.net\/index.php?rest_route=\/wp\/v2\/pages\/117\/revisions\/1232"}],"wp:attachment":[{"href":"https:\/\/stealthbus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stealthbus.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}