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