FEP630, FEH630 ELECTROMAGNETIC FLOWMETER  |  OI/FEP630/FEH630-EN REV. D  53 
 
 
 
 
Single-compartment housing 
 
G12156
Off
On
1
 
1  DIP switch, Write protection 
 
Figure 68:  Position of the DIP switch 
 
The DIP switches are used to configure specific hardware 
functions. The power supply to the transmitter must be briefly 
interrupted or the device reset in order for the modified setting 
to take effect. 
 
Write-protect switch 
When write protection is activated, device parameterization 
cannot be changed via the LCD indicator. Activating and sealing 
the write protection switch protects the device against 
tampering. 
 
Number Function
On Write protection active
Off Write protection deactivated.
 
 
 
 
 
 
Configuration of digital outputs V1 / V2 or V3 / V4 
G11924-01
ONOFF
1
ON
OFF
1
 
1  NAMUR rotary switch 
 
Figure 69:  Position of rotary switch on the plug-in card 
 
The configuration (NAMUR, optoelectronic coupler) for the 
digital output on the plug-in card is set via a rotary switch on the 
plug-in card. 
 
Number Function
On  Digital output V1 / V2 or V3 / V4 as
NAMUR output.
Off  Digital output V1 / V2 or V3 / V4 as
optoelectronic coupler output.