Toshiba Electromagnetic Flowmeter LF470/LF612 - Manual (Page 5)

TIC-LF470B
5
Terminal board
Connected detector
IV wire
5.5 mm 2 or more
Power switch
(External double-pole power switch )
Thick walled steel conduit
Signal cable
Power cable
(CVV)
Digital input cable
(CVV-S)
Current output (4~20mAdc)
or PROFIBUS
Grounded with 100Ω or less
ground resistance
(2-wire shielded hard-rubber
sheathed cable)
(3-wire shielded hard-rubber cable)
Digital output 1
Signal common for DI and DO
Digital output 2
Digital input
(20~30Vdc)
Power supply
[Instrument panel : ordered separately]
Figure 6. Separate type LF470/LF612 flowmeters wiring Diagram
Table 1. LF612 Converters Signal Table
Symbol Description Cable
L1 (＋)
L2 (－)
Power supply Power cable (CVV)
GND Ground (for arrester)
FG Frame ground
DI Digital Input (20～30Vdc)
DO1 Digital Output 1
DO2 Digital Output 2
COM Signal Common for DI, DO1, DO2
＋
－
Current Output (4～20mAdc)
or PROFIBUS
I/O cable (CVV-S)
X
Y Excitation
Output
E
Excitation cable
A
B Signal
Input
G
Signal cable
Separate type LF470/LF612 flowmeter
Excitation cable
Grounded with 100Ω or less
ground resistance
Grounded with 100Ω or less
ground resistance