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U426_flowtherm Ex_B_e_171206
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2
8
6
7
4
1
5
3
3.4
Measurement uncertainty
Input FA
: +/- 1 Hz
Input VA
: +/- 1 Hz
Input TA
: +/- (0.7 % of measured value + 0.02 % FS)
Temperature display
: +/- 1 Kelvin
Analog input 0-10 V
: +/- (0.3 % of measured value + 0.02 % FS)
Analog input 4-20 mA
: +/- (0.3 % of measured value + 0.02 % FS)
Input Pt100
: +/- 0.2 Kelvin
All values apply for a set damping rate of 30 seconds during measurement. In addition, the measurement
uncertainty of the utilised sensors must be taken into consideration.
4
Initial Operation / Startup
For installation and operation of the system especially in explosive atmospheres category 2G the national
regulations currently in force, the recognised standards of good practice and these Operating Instructions
apply.
Always make sure that the connector sockets not in use are firmly capped, the sensor plug is screwed on
tightly and the USB connection cover is tightly sealed.
4.1
Wiring diagram for the 8-pin connector plug
Electrical connection must be carried out according to the relevant wiring diagram.
Incorrect connection can cause serious damage to the electronics.
Wiring diagram with view of solder contacts:
Pin assignment
Pin 1: v/FA+FAR signal 1
F
or
v/VA signal
F
Pin 2: ground
G
Pin 3: Pt100
Pin 4: Pt100
Pin 5: Pt100
Pin 6: Pt100
Pin 7: v/FAR signal 2
F
Pin 8: V+
Housing: shield