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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) 156
13
151
178
200
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 groun
d
5.94
(
151
)
5.94(151)
2.91(74)
4
–
φ
0.43(
φ
11)
Attachment
LCD display
7.01
(
178
)
7.87(
2
00)
IR Switch
Cable ground
6.14(156) 1.42(36)
0.98
(
25
)
3.23(82)
0.51
(
13
)
I/O cable ground
Ground terminal
(M4)
Power supply cable ground
Blind screw
Signal 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 100Ω or less
ground resistance.
Power Cable (CVV)
Power Switch
*
1
(External double-pole power switch)
I/O Cable (CV
V
-S)
Instrument Panel : Ordered separatel
y
Current output
(4~20mAdc) or
PROFIBUS
Digital Output 1
Digital Output 2
Digital Inpu
t
(20 to 30Vdc)
Grounded with
100Ω or less
ground resistance
Grounded with
100Ω or less
ground resistance
Power suppl
y
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)