Toshiba LF620F Instruction Manual page 152

Conductivity:
Ambient temperature:
Storage temperature:
Power supply:
Power consumption:
Input
Input signal:
Digital input function: Select either of the following.
・ Range switching input: Large/Small range switching of unidirectional double range,
forward/reverse direction double range
・ Counter control input: Internal totalization counter start/stop/reset control
・ Output hold input: The current output and pulse output are kept to their preset
values.
・ Zero adjustment input: Start still water zero adjustment.
Output
Current output:
Digital output 1:
Digital output 2:
output
100mA
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3μS/cm or more (Combined detector : LF654 )
5μS/cm or more (Combined detector : LF414, LF434, LF494, LF664,
- 4 to 140 °F (-20 to +60℃)
- 13 to 149°F (-25 to +65℃)
100 to 240Vac (allowable voltage range: 80 to 264Vac 50/60Hz)
24Vdc (allowable voltage range: 18 to 36Vdc) or
110Vdc (allowable voltage rangel:90 to 130Vdc)
Without communication function
15W (22VA) or less
When standard is used;
(10W(14VA) at 100Vac and Excitation current: 0.2A)
With communication function
17W (24VA) or less
・Flow rate proportional signal from the detector
・Digital input signal
Signal type:
Input resistance:
Number of input points:
4 to 20mAdc (load resistance 750Ω or less)
Output type:
Capacity:
Number of output points:
Output type:
Capacity:
Number of output points :
－ 151 －
GF63* )
20 to 30Vdc voltage signal
About 2.7kΩ
1
Transistor open collector
30Vdc, Max 200mA
1
Semiconductor contact signal
(no polarity)
150Vdc, Max. 150mA
150Vac (peak value), Max.
1
6 F 8 A 0 9 2 8