2
DEVICE DESCRIPTION
20
OPTIBAR 5060
www.krohne.com
04/2021 - 4003591803 - AD OPTIBAR 5060 Exia R03 en
2.7.3 With electronics S or T for electronic differential pressure measurement
The intrinsically safe circuits are galvanically isolated from parts which can be grounded.
The metallic parts of OPTIBAR * 5060 VGK5/6/D*A/W/V C/U/0/H/T are electrically connected with
the ground terminals.
For applications requiring equipment category 1G or 1/2G, the intrinsically safe supply and
signal circuits must correspond to protection level ia.
For applications that require equipment category 1G or 1/2G, it is preferable to connect the
OPTIBAR * 5060 VGK5/6/D*A/W/V C/U/0/H/T to appropriate equipment with galvanically isolated,
intrinsically safe circuits.
OPTIBAR * 5060 VGK5/6/D*A/W/V C/U/0/H/T with integrated electronics S or T, only single
chamber housing version
Supply and signal circuit: (terminals
5,6,7,8 in the electronics compartment)
In protection type intrinsic safety Ex ia IIC
For connection to the intrinsically safe circuit of an OPTIBAR *
5060 VGK5/6/D**C with integrated electronics H, A, P, F for
differential pressure measurement.
The rules for interconnecting intrinsically safe circuits
between OPTIBAR * 5060 with electronics S or T and the
OPTIBAR * 5060 VGK5/6/D**C are observed when the overall
inductance and overall capacitance of the connecting cable
between OPTIBAR * 5060 VGK5/6/D**C and OPTIBAR * 5060
with electronics S or T L
cable
= 330
H and C
cable
= 2.00
F are
not exceeded.
Take into account the following cable inductances L
i
and cable
capacitances C
i
when using the supplied connection cable
between OPTIBAR * 5060 VGK5/6/D*A/W/V C/U/0/H/T and
OPTIBAR * 5060 with electronics S or T.
•
L
i
= 0.62
H/m
•
C
i wire/wire
= 150 pF/m
•
C
i wire/shield
= 270 pF/m
Table 2-17: Electrical data for OPTIBAR * 5060 with integrated electronics S or T, only single chamber housing version
