Toshiba Sanitary Electromagnetic Flowmeter TIC-LF494B - Manual (Page 8)

TIC-LF494B
8
矢視A
信号ケーブル
グランド 電源ケーブルグランド
封止栓
励磁ケーブルグランド
電流出力ケーブルグランド
接地端子
(M4)
取付金具
4－φ11
取付金具
82
(36
)
15
6
13
15
1
17
8
20
0
151
74±0.3
矢視A
25
LCD 表示器
赤外線スイッチ
ケーブルグランド
(単位：mm)
Excitation cable ground
5.
94
(15
1
)
5.94(151)
2.91(74)
4 – φ0.43(φ11)
Attachment
LCD display
7.
01
(17
8
)
7.
87(
2
00
)
IR Switch
Cable ground
6
.14
(1
56
)
1.
42
(3
6)
0.98(25) 3.23(82) 0.51(13)
I/O cable ground
Ground terminal
(M4)
Power supply cable ground
Blind screw
Signa l cable ground
Figure 8. Separate type converter LF612 and LF612F
External Connections
Combined type LF490/LF610 and LF494/LF610F flowmeters
Ground terminal
Intermediate
voltage (IV) wire,
5.5mm 2 or more.
To be grounded
with 100 Ω or less
ground resistance.
Power Cable (CVV)
Power Switch*
1
(External double-pole power switch)
I/O Cable (CVV-S)
Instrument Panel : Ordered separately
Current output
(4~20mAdc) or
PROFIBUS
Digital Output 1
Digital Output 2
Digital Input
(20 to 30Vdc)
Grounded with
100
Ω or less
ground resistance
Grounded with
100 Ω or less
ground resistance
Power supply
Signal common
for DI and DO
*1 Locate an external double-pole power switch on the power line near the flowmeter within easy reach of operation.
Use the appropriate switch rating as shown below:
Switch rating: 250Vac, 6A or more
In rush current: 15A or more
Figure 9. Combined type LF490/LF610 and LF494/LF610F
flowmeters Wiring Diagram
Unit : inch(mm)