Technical Manual &
Cabling Instructions
Page 68 / MAN000596
Mechanics and
Cabling
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Epec Oy
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FIN-60320 Seinäjoki
Postal address
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FIN-60101 Seinäjoki,
Finland
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Internet
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The following figure describes three different ways to connect open circuit loop (from the control
unit’s point of view):
AI - GND cabling examples (use separate GND pin for AI pins):
• All sensors and encoders must be wired according to the closed-loop principle, i.e. the
power for the sensors and encoders is supplied by the control unit they are connected
to. This way, it is possible to avoid potential harmful differences, so the MOSFET driven
output power switching operates properly.
When designing the sensor and encoder connections, observe single-point grounding. Each
control unit connector has several GND pins which should be used.
Refer to section Power Supply for accurate pin allocation of connectors.
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