Description
▌General Information
The external display DM-F2-VA is detached from the DC meter to display the meter values independent from the meter’s physical position inside the system. It is connected to the meter via a secure data line. The meter will be checked for a correct connection cyclically at any time.
The display shows billing relevant data for a charging process as well as other information.
▌Drawing
▌Installation
The connection between the external display and the meter is realized by a RS485 line connected to the RS485 ports.
▌Physical Interfaces
|
Serial number |
Item |
Description |
|
2PIN interface (from left to right) |
||
|
1 |
Power input + | DC12V-36V |
|
2 |
Power input – | |
|
4PIN interface (from left to right) |
||
|
1 |
· Power input + | The output voltage is the same as the power input.
Used for connecting the power input of the electricity meter. |
|
2 |
· Power input – | |
|
3 |
RS485-A | Used for connecting to any RS485 port. |
|
4 |
RS485-B | |
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