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TIC-LF654L
9
Figure 7. Separate type converter LF622 and LF622F
External Connections
● Combined type LF650/LF620 flowmeter and LF654/LF620F flowmeters
Grounding with 100 or less
ground resistance
Instrument panel : Ordered separatel
y
I/O cable
wire 5.5mm
2
or more
Current output (4 20mAdc)
or PROFIBUS
Power supply
Power cable
Di
g
it
a
l
i
np u
t
(20 30Vdc)
Signal common for DI and DO
Digital output 1
Digital output 2
Grounding with 100 or less
ground resistance
o
r
Modbus
Power switch
(External double-pole power switch)
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.
Grounding with 100 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 8. Combined type LF650/LF620 and LF654/LF620F flowmeters Wiring Diagram
Unit: inch (mm)
Weight: Approx. 7 lb (3.5 kg)
Note: Cable glands are not provided for LF622F cFMus approved type.
Refer to the part Cable connection port at detector.
Note: 1 inch = 25.4 mm