turck BL67 Series - Page 19

1
Hans Turck GmbH & Co.KG • Witzlebenstraße 7 • D-45472 Mülheim an der Ruhr • Tel. +49 208 4952-0 • Fax +49 208 4952-264 • www.turck.com 19 /1105
The Power Supply Concept
PROFIBUS-DP-/CANopen-/Ethernet system
V
I
, V
O
, V
MB
1
)
via the gateway
V
MB
(5 V)
4A
V
O
V
I
4A
Isolation of the field voltage V
I
, V
O
A power feeding module provides a new isolated voltage
source for all modules mounted to its right.
DeviceNet™ system
V
I
, V
O
, V
MB
via the DeviceNet
TM
cable
V
MB
(5 V)
4A
Isolation of the field voltage V
I
, V
O
A power feeding module provides a new isolated voltage
source for all modules mounted to its right.
1
)V
MB
(5V)
is galvanically isolated from the supply. V
I
and V
O
are not galvanically isolated and use a common GND potential.
System supply
Field supply
I
O
System supply
Field supply
V
SENS
= input supply
V
I
= operating
voltage (U
B
)
V
O
= load
voltage (U
L
)
V
MB
= system
supply
I
MB
( 5 V)
I
SENS
I
SENS
I
O
I
MB
( 24 V)
{
I
MB
( 5 V)
I
SENS
I
O1
I
MB
(24 V)
I
total
I
MB
(5 V)
max
= 1,5 A
I
I
max
=4 A
I
O
max
= 10 A
I
MB
(5 V)
max
= 1,5 A
I
sens
max
=4 A
I
O1
max
=8 A
I
O2
max
= 10 A
V
MB
(24 V)
V
MB
(24 V)
I
total
V
O
V
I
V
SENS
= input supply
V
I
= operating
voltage (U
B
)
V
O
= load
voltage (U
L
)
V
MB
= system
supply
V
O
V
I
4A
I
O2
I
SENS
V
I,
V
O