Toshiba LF470/LF612 Home Safety Product User Manual


 
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 100or 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 (2030Vdc)
DO1 Digital Output 1
DO2 Digital Output 2
COM Signal Common for DI, DO1, DO2
Current Output (420mAdc)
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 cabl
e
Grounded with 10
0
or less
ground resistance
Grounded with 10
0
or less
ground resistance