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Toshiba Sanitary Electromagnetic Flowmeter TIC-LF494B User Manual

Page 9

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TIC-LF494B

9

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 10. Separate type LF490/LF612 and LF494/LF612F flowmeters wiring Diagram

Table 1. LF610, LF610F, LF612 and LF612F 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

I/O cable (CVV-S)


Current Output (4~20mAdc)

or PROFIBUS

Shielded cable for

PROFIBUS-PA

X
Y Excitation

Output

E

Excitation cable

(for LF612, LF612F only)

A
B Signal

Input

G

Signal cable

(for LF612, LF612F only)

Separate type LF490/LF612 and LF494/LF612F flowmeters

Grounded with 100Ω or

less ground resistance

Excitation cable

Grounded with 100Ω or

less ground resistance