Connecting To Power Supply; Preparing The Connection; Connection Procedure - Vega VEGAMIP R61 Operating Instructions Manual

Safety instructions
Voltage supply
Connection cable
Connection technology

Connection procedure

VEGAMIP R61 • Receiving unit
5

Connecting to power supply

5.1

Preparing the connection

Always keep in mind the following safety instructions:
Warning:
Connect only in the complete absence of line voltage.
•
The electrical connection must only be carried out by trained
personnel authorised by the plant operator.
•
If overvoltage surges are expected, overvoltage arresters should
be installed.
Connect the operating voltage according to the connection diagrams.
The electronics module is designed in protection class I. To maintain
this protection class, it is absolutely necessary that the earth conduc-
tor be connected to the inner earth conductor terminal. Keep the
general installation regulations in mind. Take note of the correspond-
ing installation regulations for hazardous areas with Ex applications.
The data for power supply are specified in chapter "Technical data".
The instrument is connected with standard three-wire cable without
screen. If electromagnetic interference is expected which is above the
test values of EN 61326 for industrial areas, screened cable should
be used.
Use cable with round cross section for instruments with housing and
cable gland. To ensure the seal effect of the cable gland (IP protection
rating), find out which cable outer diameter the cable gland is suitable
for.
Use a cable gland fitting the cable diameter.
Cover all housing openings conforming to standard according to
EN 60079-1.
5.2 Connection procedure
The voltage supply and signal output are connected via the spring-
loaded terminals in the housing.
Proceed as follows:
1. Unscrew the housing cover
2. Loosen compression nut of the cable entry gland
3. Remove approx. 10 cm (4 in) of the cable mantle, strip approx.
1 cm (0.4 in) of insulation from the ends of the individual wires
4. Insert the cable into the sensor through the cable entry
5 Connecting to power supply
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