What is terminal designation?
Symbols and circuit diagrams Terminal designations The purpose of the terminal-designation system for automotive electrical systems specified by the standard (DIN 72552) is to enable the most accurate connection of wires to all the various devices, above all when making repairs and installing spare parts.
What are the designations of the connection terminals of an electric machine?
Three-phase Motors. Frequently it is necessary to connect three-phase not ors to single-phase mains. In this connection, the following disadvantages must be taken into account.
What is a DIN number vehicle?
They’re called DIN-standard relay terminal numbers; DIN stands for Deutsches Institut für Normung (German Institute for Standards). Sometime around the middle of the last century, German cars began following DIN 72552, which is a numbering standard for automotive electrical terminals.
What does 31 mean on a wiring diagram?
For exam- ple, a terminal 31 designation always refers to a direct connection to vehicle ground and a terminal 30 designation always represents a direct connection to the battery positive terminal.
What DIN number represents ignition live?
DIN 72552
| Contact | Meaning | Old terminal designation |
|---|---|---|
| Ignition system | ||
| 87 | common contact | 30/51 |
| 87a | normally closed contact | |
| 87b | normally open contact |
What is Terminal 15 on a car?
Terminal 15 is used to signal the status “Ignition ON/Ignition OFF” rather than as a power. supply. That applies, for instance, in the case of the digital motor electronics (DME), the. footwell module (FRM) and BMW Night Vision.
What are the letters for the 3 terminals on a split phase motor?
For a 3-wire three-phase motor, we have the same wire colors. The 3 phases from the power supply are labelled L1 (R), L2 (S), and L3 (T). Connect red to L1 (R), white to L2 (S), and black to L3 (T). For the terminal box type motors, the terminals are labelled U, V, and W.
Where can I find the DIN number?
The Drug Identification Number (DIN) is the 8 digit number located on the label of prescription and over-the-counter drug products that have been evaluated by the Therapeutic Products Directorate (TPD) and approved for sale in Canada.
Which DIN number represents battery live?
DIN 72552
| Contact | Meaning | Old terminal designation |
|---|---|---|
| Ignition system | ||
| Battery | ||
| 15 | battery+ through ignition switch | 16, 54/15 |
| 30 | from battery+ direct | 30/51 |
What is 30 on a wiring diagram?
Number 30= power directly from the battery. Number 31= chassis ground connections. Number 50= power when the ignition switch is turned to START. A “suffix” is sometimes added to the number to distinguish any separate parts of a circuit.
What is terminal 30B?
Terminal 30B. Terminal 30 Basic is used for control units and electrical loads operating when the driver is present. That applies primarily to components such as the seat module, digital. motor electronics (DME), gearbox control unit (EGS), Controller and CD changer.
