Temposonics
®
E-Series
Brief Instructions
I 12 I
Placement of installation and cabling have decisive influence
on the sensor‘s electromagnetic compatibility (EMC). Hence
correct installation of this active electronic system and the
EMC of the entire system must be ensured by using suitable
metal connectors, shielded cables and grounding. Overvolt-
ages or faulty connections can damage its electronics despite
protection against wrong polarity.
NOTICE
Connect the sensor electronics housing to machine ground.
Ground sensor types EP, EL, ER and EP2 via ground lug as
shown. Ground the sensor type EH via thread.
Instructions for connection
• Use low-resistant twisted pair and shielded cables. Connect
the shield to ground externally via the controller equipment.
• Keep control and sign leads separate from power cables
and sufficiently far away from motor cables, frequency
inverters, valve lines, relays, etc..
• Use only connectors with metal housing and connect the
shielding to the connector housing. Connect the cable
clamps to function as a ground.
• Keep the connection surface at both shielding ends as
large as possible.
• Keep all non-shielded leads as short as possible.
• Keep the earth connection as short as possible with
a large cross section. Avoid ground loops.
• With potential differences between machine and electronics
earth connections, no compensating currents are allowed
to flow across the cable shielding.
Recommendation:
Install potential compensating leads with large cross
section, or use cables with separate double shielding,
and connect only one end of the shield.
• Use only stabilized power supplies in compliance with
the specified connecting values.
5. Electrical connections
Sensor grounding
NOTICE
1. Do not mount the sensors in the area of strong magnetic
or electric noise fields.
2. Never connect / disconnect the sensor when voltage is
applied.
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