Resol Grundfos Direct Sensors VFS Manuel Pour Le Technicien Habilité page 12

VFD
Temperature
Measuring range: 0 ... 120 °C
Accuracy: +/- 2 °C
Accuracy at 25 ... 80 °C: +/- 1 °C
Refresh rate: 250 ms
Response time (63.2 %): ca. 1.5 s
Resolution: 0.4 °C
Flow rate output signal: 10 ² l / min
-
Temperature output signal: 10 - ² °C
Flow rate
VFD 1 - 12 l VFD 2 - 40 l VFD 2 - 40 l Fast
Accuracy in water
+/- 2%
(0 ... 100°C)
Accuracy in Tyfocor ® LS
+/- 3%
(20 ... 80°C)
Refresh rate 250 ms
Resolution 0.06 l/min
Electrical data
Power supply
Power consumption
Output signals
Pressure signal
Temperature signal
RESOL VBus ® refresh rate
Baud rate
Load impedance
+/- 5%,
+/- 2%
typically +/- 3%
+/- 3% ---
250 ms < 180 ms
0.2 l/min 0.1 ... 0.2 l/min
VFD
⎓
+5.5 V
< 50 mW
RESOL VBus protocol V3
®
RESOL VBus protocol V3
®
RESOL VBus protocol V3
®
250 / 180 ms
9600 Bd
> 10 kΩ
400
350
300
250
VFD 1-12 l
200
150
100
50
0
0 5 10 15 20
Flow rate (l/min)
VFD 2-40 l,
VFD 2-40 l Fast
25 30 35 40
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