User Manual

4 ELECTRICAL CONNECTIONS
42
OPTIWAVE 7400-24 C
www.krohne.com 12/2015 - 4003518001 - MA OPTIWAVE7400-24-R01-en
1 Loosen the lock screw with a 2.5 mm Allen wrench.
2 Turn the cover counterclockwise with a strap wrench.
3 Remove the cover.
Equipment needed:
• Small slotted tip screwdriver (not supplied)
Procedure:
1 Do not disconnect the safety cord from the terminal compartment cover. Put the terminal
compartment cover adjacent to the housing.
2 Remove the connector from the circuit board.
3 Connect the electrical wires to the connector. Attach the connector to the circuit board. Tight-
en the cable entry glands.
1 Put the cover on the housing and push it down.
2 Turn the cover clockwise until it is fully engaged.
3 Tighten the lock screw.
4.2.2 Remote version
For more electrical installation data, refer to Compact version on page 41.
CAUTION!
• Use the applicable electrical cables with the cable glands.
• Make sure that the power supply does not have a current more than 5 A or that there is 5 A-
rated fuse in the electrical circuit that energizes the device.
INFORMATION!
Electrical power to the output terminal energizes the device. The output terminal is also used for
HART
®
communication.
CAUTION!
• Use the applicable electrical cables with the cable glands.
• Make sure that the power supply does not have a current more than 5 A or that there is 5 A-
rated fuse in the electrical circuit that energizes the device.