VEGA VEGAVIB 67 - NAMUR User Manual

Page 24

Sensor cur-

rent

Level relay

ampliﬁer -

overﬁll pro-

tection

Level relay

ampliﬁer -

dry run

protection

Signal lamp

ampliﬁer -

overﬁll pro-

tection

Signal lamp

ampliﬁer -

dry run

protection

Signal

lamp -

sensor

1. Low Current

(approx. 3 s)

approx. 1 mA energized

currentless

2. High Current

(approx. 1.5 s)

approx.

2.2 mA

currentless

energized

3. Return to the actual op-

erating condition

Note:

When used in measuring chains according to IEC 61508,

mode B (dry run protection) is not permitted.

With the stated current values you can carry out the function

test directly via a safety SPLC or a process control system.

VEGAVIB 67 - with NAMUR output

Set up

31220

-EN
-060508