TIC-LF620E
5
External Connections
Combined type Converter LF620
Grounding with 100
Ω
or less
ground resistance
Instrument panel : Ordered separately
I/O cable
Ⅳ
wire 5.5mm
2
or more
Current output (4
~
20mAdc)
or PROFIBUS
Power supply
Power cable
Digital input
(20
~
30Vdc)
Signal common for DI and DO
Digital output 1
Digital output 2
Grounding with 100
Ω
or less
ground resistance
or 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
Ω
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 3. Combined type LF620 and LF620F
converters Wiring Diagram