VEGA PROTRAC series 30 Electronics module - Manual (Page 10)

10
4 Mounting
Electronics module • PROTRAC series 30
40104-EN-130916
•
Terminal 4 - Non-intrinsically safe sensors or sensors without
approval
A C
B
Fig. 4: Coding
A Coding pin for non-intrinsically safe sensors and sensors without approval
(terminal 4)
B Coding pin for intrinsically safe (ia) instruments (terminal 3)
C Coding pin - avoids an interchanging of the two terminal blocks (terminal 2)
To simplify handling, the small coding pins are attached to a plastic
washer.
Insert one small coding pin into the dovetail guide until it snaps in.
Then you can break off the mounting support.
Fig. 5: Insert the coding pins into the electronics module
A Coding pin on mounting support
4.3 Mounting steps
Proceed as follows:
1. Switch off the source reliably - Set the source container to "Off"
Warning:
Always switch off the source when working on the sensor.
2. Switch off power supply