Burkert Type 8056 - Manual (Page 8)

SE56
8
L(-)
N(+) M3
ELECTRICAL CONNECTIONS
ALWAYS ensure that the transmitter and the sensor are grounded (earthed) correctly.
The grounding of the sensor and transmitter ensures that the equipment and liquid are
equipotential.
‰ Before connecting the power supply, verify that the mains voltage are within the
limits indicated on data plate.
‰ For the connections use only approved conductors, with fire-proof properties, whose
section varies from 0.25mm
2 to 2.50mm 2 , based on distance/power; as well fix the
power supply wires with a additional fastening system located close to the terminal.
‰ The power supply line must be equipped with an external protection for overload
current (fuse or automatic line breaker).
‰ Provide nearness the transmitter a circuit breaker easily accessible for the operator
and clearly identified; whose symbols must conform to the electrical safety and local
electrical requirements.
‰ Ensure that the component complies with the requirements of the standard for
electrical safety distance.
‰ The sensor, hardwired inputs and outputs are connected to the transmitter through
terminal blocks located inside the transmitter.
‰ To locate the terminal block loosen the 4 screws on the front cover. When the front
cover is lifted, the terminal block is visible. The terminal block is the hardwire
connection of the transmitter to external equipment, including the sensor.
The following pages give informations on the terminal block numbering, and the
respective connecting of the sensor cables, and inputs/outputs.
GROUNDING INSTRUCTIONS
POWER SUPPLY