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TIC-LF434H
Separate type LF430/LF622 flowmeter and LF434/LF622F flowmeters
Instrument panel : Ordered separately
Grounding with 100Ω or less
ground resistance
Power switch
(External double-pole power switch)
Power supply
Current output (4～20mAdc)
or PROFIBUS
Digital input
(20～30Vdc)
or Modbus
Digital output 2
Signal common for DI and DO
Digital output 1
Grounding with 100Ω or less
ground resistance
Figure 7. Separate type LF430/LF622 and LF434/LF622F flowmeters wiring Diagram
Table 2. LF620, LF620F, LF622 and LF622F Converters Signal Table
8
Power cable
I/O cable
(CVV)
(CVV-S)
Symbol
Description
L1 ( ＋ )
Power supply
L2 ( － )
GND
Ground (for arrester)
FG
Frame ground
Digital Input (20 ～ 30Vdc)
DI
DO1
Digital Output 1
DO2
Digital Output 2
COM
Signal Common for DI, DO1, DO2
＋
Current Output (4 ～ 20mAdc)
or PROFIBUS
－
X
Y
Excitation Output
E
A
B
Signal Input
G
T+
Modbus(+)
T-
Modbus(-)
TG
Modbus(GND)
Note: Symbol of the terminal is changed as follows for Modbus.
DO2 → T+, DI → T-, COM → TG
Ⅳ wire 5.5mm
Grounding with 100Ω or less
ground resistance
Thick walled steel conduit
Signal cable
(2-wire shielded hard-rubber sheathed cable)
Excitation cable
(3-wire shielded hard-rubber cable)
Connected detector
Cable
Power cable (CVV)
I/O cable (CVV-S)
Shielded cable for
PROFIBUS-PA
Excitation cable
(for LF622,LF622F only)
Signal cable
(for LF622,LF622F only)
Twisted-pair polyethylene
insulated vinyl sheath cable
2
(JKEV,AWG24(0.2mm
))
2
or more
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