Toshiba Sanitary Electromagnetic Flowmeter TIC-LF494B User Manual page 9

Separate type LF490/LF612 and LF494/LF612F flowmeters
Terminal board
Thick walled steel conduit
Signal cable
(2-wire shielded hard-rubber
sheathed cable)
(3-wire shielded hard-rubber cable)
Figure 10. Separate type LF490/LF612 and LF494/LF612F flowmeters wiring Diagram
Table 1. LF610, LF610F, LF612 and LF612F Converters Signal Table
Connected detector
Excitation cable
Power cable
(CVV)
Symbol Description
L1 (＋)
Power supply
L2 (－)
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
－
X
Y Excitation Output
E
A
B Signal Input
G
IV wire
5.5 mm
Power switch
(External double-pole power switch )
[Instrument panel : ordered separately]
Digital input cable
(CVV-S)
Cable
Power cable (CVV)
I/O cable (CVV-S)
Shielded cable for
PROFIBUS-PA
Excitation cable
(for LF612, LF612F only)
Signal cable
(for LF612, LF612F only)
TIC-LF494B
2
or more
Grounded with 100Ω or less
ground resistance
Grounded with 100Ω or
less ground resistance
Power supply
Current output (4~20mAdc)
or PROFIBUS
Digital output 1
Signal common for DI and DO
Digital output 2
Digital input
(20~30Vdc)
Grounded with 100Ω or
less ground resistance
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