Pepperl+Fuchs LB Series User Manual

LB Remote I/O System
Installation
2018-07
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X40 Terminal Assignment
Auxiliary energy for 4-channel digital outputs LB6*10* ... LB6*15* can be connected via the
booster connection.
 X40.1 = 0 V
 X40.2 = + 24 VDC (SELV/PELV)
 X40.3 = earth
S1 Switch Positions and X3 Terminal Assignment
The S1 switch and X3 terminal control the bus-independent deactivation of the I/O modules.
The bus-independent deactivation of the I/O modules only works for I/O modules equipped
with a shutdown input. I/O modules with and without a shutdown input can be installed on the
same backplane; however, only the I/O modules that are equipped with a shutdown input are
controlled by the bus-independent deactivation.
If I/O modules equipped with a shutdown input are installed on the backplane, these modules
can be deactivated using an external switch, for example.
Figure 3.3 X3 terminals and S1 function switches
1X40: booster connection
2S1: function switch
3X3: bus-independent deactivation of the I/O modules
4X2: 24 VDC redundant power supply (SELV/PELV)
5X1: 24 VDC power supply (SELV/PELV)
Caution!
Damage to Equipment
Handling the connections improperly can damage the backplane.
 Never supply a control voltage to X3.2.
 Only operate multiple adjacent backplanes using a common control voltage or a common
contact to avoid equalizing currents.
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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)