12 Technical
data
12.1 Inputs
12.1.1 Resistance
thermometers
Type Measuring
range
Measuring
accuracy
a
Impact of
ambient
temperature
Pt100; DIN EN 60751
-200...850 °C
(-328...1562 °F)
0.1% 50
ppm/K
Pt1000; DIN EN 60751
-200...850 °C
(-328...1562 °F)
0.1% 50
ppm/K
LG-Ni1000 -50...+160
°C
(-58...320 °F)
0.1% 50
ppm/K
0...135
0.25% 50
ppm/K
a
Accuracies relate to the maximum measuring range.
Line resistance
Max. 30
per line with 3-wire circuit
Line balancing
Not required with 3-wire circuits.
With 2-wire circuits, line balancing can be
performed by making an actual value
correction
12.1.2 Input
signals
Measuring range
Measuring
accuracy
a
Impact of ambient
temperature
Voltage DC 0...10 V
0.1% 100
ppm/K
Input resistance R
E
>2 M
Voltage DC 0(1)...5 V
0.2% 200
ppm/K
Input resistance R
E
>2 M
Current 0(4)...20 mA
0.1% 100
ppm/K
Voltage drop
2 V
a
Accuracies relate to the maximum measuring range.
12.1.3 Binary input D1
Potentialfree contact for the following functions, depending on the configuration:
‐
No
function
‐
Setpoint
readjustment
‐
Setpoint
changeover
‐
Operating
mode
changeover
56/68
20089337
Содержание RWF 50.2
Страница 2: ...20089337 Translation of the original instructions ...
Страница 4: ...2 68 20089337 ...
Страница 6: ...4 68 20089337 ...
Страница 14: ...1 4 Block structure Only RWF50 3 Only RWF50 2 Air damper control Figure 1 Block structure 12 68 20089337 ...
Страница 62: ...60 68 20089337 ...
Страница 66: ...64 68 20089337 ...
Страница 69: ......
Страница 70: ......
Страница 71: ......