88
LBK System Series| Instruction manual v1.2 SET 2021 |SAF-UM-LBKBus-en-v1.2|© 2020-2021 Inxpect SpA
8. Technical references
Fieldbus 
interface (if 
available)
Ethernet based interface with different 
standard Fieldbus (e.g. PROFIsafe)
Power supply 24 V dc (20–28 V dc) *
Maximum current: 1 A
Consumption Max 5 W
Assembly On DIN rail
Weight with cover: 170 g (6 oz)
Degree of 
protection
IP20
Terminals Section: 1 mm
2
 (16 AWG) max
Max current: 4 A with 1 mm
2
 cables  (16 
AWG)
Impact test 0.5 J, 0.25 kg ball from a 20 cm height
Pollution degree 2
Outdoor use No
Operating 
temperature
From -30 to +60 °C (from -22 to +140 °F)
Storage 
temperature
From -40 to +80 °C (from -40 to +176 °F)
Note*: the unit shall be supplied by an isolated 
power source which fulfils the requirements of:
l Limited-Energy Circuit in accordance with IEC/UL/CSA 
61010-1/ IEC/UL/CSA 61010-2-201  or
l Limited Power Source (LPS) in accordance with 
IEC/UL/CSA 60950-1  or
l (For North America and/or Canada only) a Class 2 
supply source which complies with the National 
Electrical Code (NEC), NFPA 70, Clause 725.121 and 
Canadian Electrical Code (CEC), Part I, C22.1.  (typical 
examples are a Class 2 transformer or a Class 2 power 
sources in compliance with, UL 5085-3/ CSA-C22.2 
No. 66.3 or UL 1310/CSA-C22.2 No. 223).                     
8.1.5 Sensor features
Connectors 2 5-pin M12 connectors (1 male and 1 
female)
CAN bus 
termination 
resistance
120 Ω (not supplied, to be installed with a 
bus terminator)
Power supply 12 V dc ± 20%, through control unit
Consumption Max 1.2 W
Degree of 
protection
Type 3 enclosure, according to UL 50E, in 
addition to IP 67 rating
Material Sensor:PA66
Bracket: PA66 and glass fiber (GF)
Weight With bracket: 220 g (7.8 oz)
Impact test 5 J, 0.5 kg ball from a 100 cm height
Pollution degree 4
Outdoor use Yes
Operating 
temperature
From -30 to +60 °C (from -22 to +140 °F)
Storage 
temperature
From -40 to +80 °C (from -40 to +176 °F)
8.1.6 CAN bus cables 
recommended specifications
Section 2 x 0.34 mm
2
 (22 AWG) power supply
2 x 0.25 mm
2
 (23 AWG) data line
Type Two twisted pairs (power supply and data) 
and one drain wire (or shield)
Connectors 5-pole M12, see "Connectors M12 CAN bus" 
on page90
Connectors shall be type 3 (raintight)
Impedance 120 Ω ±12 Ω (f = 1 MHz)
Shield Shield with twisted wires in tin-plated 
copper. To be connected to ground circuit 
on the power supply terminal block of the 
control unit.
Standards Cables shall be listed in accordance with 
application as described in the National 
Electrical Code, NFPA 70, and in the 
Canadian Electrical Code, C22.1.