Boiler house
Level controls
2.3.57
Technical data LC2650 (continued)
Minimum voltage 0 Vdc or 1 V (with OUTRANGE function selected)
Input
technical
data
Level
voltage
4 - 20 mA
Level 'out
of range'
alarm-
voltage
Level 'out
of range'
alarm-
current
Maximum voltage
Input impedance
Accuracy
Repeatability
Resolution
Sample time
Minimum current
Maximum current
Input impedance
Accuracy
Repeatability
Resolution
Sample time
Minimum alarm level
Minimum recovery level
Maximum alarm level
Maximum recovery level
Minimum alarm level
Minimum recovery level
Maximum alarm level
Maximum recovery level
6 Vdc (absolute maximum = 7 Vdc)
28 kΩ
5% FSD over operating range
2.5% FSD over operating range
14 bit (0.15 mV approx)
260 Hz
0 mA
20 mA
110 Ω
5% FSD over operating range
2.5% FSD over operating range
14 bit (1 μA approximately)
260 Hz
< 0.2 Vdc
> 1 Vdc
> 6.5 Vdc
< 6 Vdc
< 2.5 mA
> 4 mA
> 21 mA
< 20 mA
Page 4 of 6
TI-P402-134 EMM Issue 6
LC2650 Level controller
