Pepperl+Fuchs LB Series User Manual

LB Remote I/O System
Product Specifications
2018-07
9
2.4 Backplanes
2.4.1 Function
Backplanes are used to hold com units, power supplies, and I/O modules. Fixed slots are
reserved on the backplane for com units and power supplies. Slots for I/O modules have equal
status, meaning functions can be arranged side by side as required.
2.4.2 Design and Dimensions
LB9022*
 Base backplane with slots for redundant com units
 Slots for max. 22 single-width or 11 dual-width I/O modules
 Version with bus-independent deactivation of the I/O modules is available
Figure 2.2 Dimensions of the LB9022*
LB9023*
 Base backplane
 Slots for max. 8 single-width or 4 dual-width I/O modules
Figure 2.3 Dimensions of the LB9023*
Bus
redundant
service
extension
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
power 1
Netzteil 1
base unit - Basiseinheit
redundant comm unit
Redundanzkoppler
comm unit
Buskoppler
power 2
Netzteil 2
power 3
Netzteil 3
X7
X6
X5
X4
24V DC
24V DC
booster
X
X2
X1
X3
shut down
S1 Schalter
...
...
...
...
605
113
Bus
service
extension
1 2 3 4 5 6 7 8
power 1
Netzteil 1
base unit - Basiseinheit
comm unit
Buskoppler
X7
X6
X4
24V DC
24V DC
booster
X
X2
X1
X3
shut down
S1 Schalter
...
...
...
...
275
113

Pepperl+Fuchs LB Series Specifications

General

Mounting	DIN Rail
Zone	Zone 1, Zone 2
Power Supply	24 V DC
Protection Class	IP20
System Type	Remote I/O System
Communication Protocols	PROFIBUS DP
I/O Modules	Analog, Digital
Signal Type	Analog, Digital
Number of Channels	Varies by module
Intrinsic Safety	Yes
Isolation	Channel to channel, channel to system
Output Current	Varies by module (e.g., 0.5 A, 2 A)
Connection Type	Screw terminals
Dimensions	Varies by module
Weight	Varies by module
Temperature Range	-20 ... 60 °C (-4 ... 140 °F)