Power contacts ELM314x
The power contacts (looped through, usually 24V/ 0V) are connected to the terminal points of the ELM314x for sensor supply as follows:
Table:
Terminal | ELM3142-0000 | ELM3144-0000 | ELM3146-0000 | ELM3148-0000 |
---|---|---|---|---|
Connector | X1, X2 | X1..X4 | X3, X4 | X1..X4 |
24 V / UP+ | Terminal point 3 | Terminal point 3 | Terminal points 1, 3, 5 | Terminal point 5 |
0 V / UP- | Terminal point 4 | Terminal point 4 | Terminal points 2, 4, 6 | Terminal point 6 |
Notice | |
The electrical power to be taken from the terminal points depends on the lowest value of the following factors:
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Notice | |
Switchable connection AGND/UP- The internal signal ground AGND can be switched to the negative power contact UP- via Firmware (CoE directory of the terminal), see chapter "Switchable AGND". |