Bartec BCS 3678ex-NI User Manual

3 Approval, standards
Handscanner
BCS 3600
ex
series
18 / 106
Subject to technical modifications
Revision A / 04/2019
Important Ex-relevant technical data for the connection of a non-incendive wired field device (e.g.
BCS 3608
ex
-NI) with another associated non-incendive wired field device (e.g. USM B7-A2Z0-0042).
The USM can also be replaced by power supply modules from other manufacturers provided that the
following calculation formula is adhered to.
Calculation
formula
BCS 3608
ex
-NI
Maximum output values of the used
supply module:
Functional
minimum
values
V
max
≥ V
oc
V
max
5 V DC
V
oc
5 V
4,8 V DC
I
max
≥ I
sc
I
max
1 A
I
max
1 A
500 mA
Minimum output values of the used
supply module:
C
a
≥ C
i
+ C
Kabel
C
i
0,3 μF + C
Kabel
BARTEC USM: C
a
= 1000μF (is ≥ C
i
+
C
Kabel
)
external system C
a
≥ C
i
+ C
Kabel
(kundenspezifisch)
-
L
a
≥ L
i
+ L
Kabel
L
i
0,1 μH + L
Kabel
BARTEC USM: L
a
= 80μH (is ≥ L
i
+
L
Kabel
)
external system: L
a
≥ L
i
+ L
Kabel
(customized)
-
Table 11 Ex relevant date for the connection of the USM
C
Kabel
and L
Kabel
depend on the connection cable used on the BCS 3608
ex
-NI.

Bartec BCS 3678ex-NI Specifications

General

Brand	Bartec
Model	BCS 3678ex-NI
Category	Barcode Reader
Language	English