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19/62 Device handbook SINEAX AM2000, 173 849, 04/2015
5.5 Power supply
A marked and easily accessible current limiting switch has to be arranged in the vicinity of
the device for turning off the power supply. Fusing should be 10 Amps or less and must be
rated for the available voltage and fault current.
5.6 Relays
When the device is switched off the relay contacts are de-energized, but dangerous
voltages may be present.
Relays are available for device versions with
corresponding I/O extensions only.
I/O extension y
x
1
5
2
6
3
4
4
3
5.7 Digital inputs and outputs
For the digital inputs / outputs an external power supply of 12 / 24V DC is required.
The power supply shall not exceed 30V DC !
A digital input and two digital outputs are provided as a standard.
Usage as digital input
► Clock synchronization
► Synchronization of billing intervals in accordance with energy provider
► Meter tariff switching
Technical data
Input current
< 7,0 mA
Logical ZERO
- 3 up to + 5 V
Logical ONE
8 up to 30 V