Electronic Position Transmitter Ewg 01.1 - AUMA SAREx 07.2 – SAREx 16.2 Operation Instructions Manual

SAEx 07.2 SAEx 16.2 / SAREx 07.2
9.6.

Electronic position transmitter EWG 01.1

Technical data
Setting elements
SAREx 16.2
— Option —
The electronic position transmitter EWG 01.1 signals the remote position or the valve
position. On the basis of the actual valve position sensed by hall sensor, a current
signal between 0 20 mA or 4
Table 7: EWG 01.1
Data
Output current I
a
1)
Power supply U
V
Max. current consumption
Max. load R
B
Impact of power supply
Load influence
Temperature impact
2)
Ambient temperature
1) Power supply possible via: AC, AM controls or external power supply
2) Depending on temperature range of the actuator: Refer to name plate
The EWG is housed in the actuator switch compartment. The switch compartment
must be opened to perform any settings. ➔ Refer to <Switch compartment: open>.
All settings are made via the two push buttons [S1] and [S2].
Figure 26: View on control unit when switch compartment is open
[S1] Push button: Set 0/4 mA
[S2] Push button: Set 20 mA
LED Optical aid for setting
[1] Measuring point (+) 0/4
[2] Measuring point ( ) 0/4
The output current (measuring range 0 20 mA) can be checked at measuring points
[1] and [2].
Table 8: Short overview on push button functions
Push but- Function
tons
[S1] + [S2] → press simultaneously for 5 s: Activate setting mode
[S1] → press in setting mode for 3 s: Set 4 mA
→ press in setting mode for 6 s: Set 0 mA
→ press in operation for 3 s: Switch on/off LED end position signalling.
→ touch in end position: Reduce current value by 0.02 mA
[S2] → press in setting mode for 3 s: Set 20 mA
→ press in operation for 3 s: Switch on/off LED end position signalling.
→ touch in end position: Increase current value by 0.02 mA
20 mA is generated.
3-wire or 4-wire system
0 20 mA, 4 20 mA
24 V DC (18 32 V)
LED off = 26 mA, LED on = 27
mA
600 Ω
< 0.1 ‰/K
60 °C to +80 °C
20 mA
20 mA
Commissioning
2-wire system
4 20 mA
24 V DC (18 32 V)
20 mA
(U 12 V)/20 mA
V
0.1 %
0.1 %
33