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LBK System Series| Instruction manual v1.2 SET 2021 |SAF-UM-LBKBus-en-v1.2|© 2020-2021 Inxpect SpA
8. Technical references
8.2.2 Voltage and current limits
for digital inputs
The digital inputs (input voltage 24 V dc) adhere to
the following voltage and current limits, in
accordance with standard IEC/EN 61131-2:2003.
Type 3
Voltage limits
0 from - 3 to 11 V
1 from 11 to 30 V
Current limits
0 15 mA
1 from 2 to 15 mA
8.2.3 Power supply terminal block
Note: connector front view.
Symbol Description
V- GND
Earth
V+ + 24 V dc
Note: the maximum operating temperature of the
cables must be at least 70 °C.
Note: use only copper wires with a minimum gauge
of 18 AWG and a torque of 0.62 Nm (5,5 lbs in).
8.2.4 CAN bus terminal block
Symbol Description
+ + 12 V dc output
H CAN H
L CANL
- GND
Note: the maximum operating temperature of the
cables must be at least 70 °C.
8.2.5 Connectors M12 CAN bus
Male connector Female connector
Pin Function
1 Shield, to be connected to ground circuit
power supply terminal block of the control
unit.
2 + 12 V dc
3 GND
4 CAN H
5 CANL