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EJL-136F
External Connections
Combined type LF410/LF620 and LF414/LF620F flowmeters
Instrument panel : Ordered separately
Grounding with 100Ω or less
ground resistance
Power switch
(External double-pole power switch)
Current output (4～20mAdc)
or PROFIBUS
or Modbus
Signal common for DI and DO
Grounding with 100Ω or less
ground resistance
*1 Locate an external double-pole power switch on the power line near the flowmeter within easy reach of operation.
Use the appropriate switch rating as shown below:
Switch rating: 250Vac, 6A or more
In rush current: 15A or more
Figure 10. Combined type LF410/LF620 and LF414/LF620F flowmeters Wiring Diagram
10
Attachment
LCD display
Plate
IR Switch
Figure 9. Separate type converter LF622 and LF622F
Power supply
Digital input
(20～30Vdc)
Digital output 2
Digital output 1
I/O cable
I/O cable ground
Power supply
Note: Cable glands are not provided for LF622F cFMus approved type.
Refer to the part Cable connection port at detector.
Note: 1 inch = 25.4mm
NOTE:
In the case of the integral type, the signal line
( A, B, G ) and the excitation line ( E, X, Y ) are
the connector joints.
Power cable
Unit : inch(mm)
Weight: Approx. 7 lb (3.5 kg)
Excitation cable ground
Signal cable ground
cable ground
Option cable ground
2
Ⅳ wire 5.5mm
Grounding with 100Ω or less
ground resistance
or more
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