Endress+Hauser promag 31, Руководство по эксплуатации

Страница: 33 / 60

4.2 Setting unit parameters with miniature switches
Warning!
Danger of electric shock! Switch off the supply voltage before you unscrew the cover of the
electronic compartment of the transmitter housing.
Do not fail to observe the supplementary Ex documentation for Ex-certified instruments
(in particular regarding rates of cooling).
1. Loosen the screws of the safety grip (3 mm Allen key).
2. Unscrew the cover of the electronics area.
3. Remove the local display (if present).
4. Set the miniature switches.
5. Put back the local display
6. Screw the cover to the electronics area securely on the transmitter housing
and tighten the Allen screws of the safety grip securely.
ON Creep suppression
⇒
On
1) OFF Creep suppression
⇒
Off
1) ON Status output
⇒
Flow direction
OFF Status output
⇒
System/process fault indication
1) ON US technical units [gal]
OFF SI technical units [m
3
, dm
3
]
ON 0...20 mA current range
OFF 4 ... 20 mA current range
1) For fiscal measurement these functions are not available!
Setting pulse weighting:
For switch settings
⇒
see Table A on page 34
Scaling the end value (flow at 20 mA):
Switch setting
⇒
see Table B on page 35
Miniature switch 1-10
(Works settings)
b
a028
y
3
6
Fig. 39
Promag 31 4. Operation and Commissioning
Hauser 33