Electrical Connection; Base; Remote; Shielding And Cable Routing - Balluff IO-Link BIC 1B1-IT1A0-M30EI21-SM4A5A Notice D'utilisation

BIC _B1-IT1A0-M30EI21-SM4A5A / BIC _B1-IT1A0-G30EI22-SM4A5A
Inductive couplers
5
Installation and connection (continued)
5.3

Electrical connection

5.3.1

Base

1
2 4
3
Fig. 5-8: Connector diagram (top view of M12 plug on Base)
Pin Signal
1 L+ (operating voltage +, IO-Link 21.6...26.4 V)
2 I/Q (digital input / digital output), C/Q (IO-Link
diagnostic channel)
3 L− (Operating voltage −)
4 C/Q (IO-Link communication)
Tab. 5-1: Pin assignment of Base
5.3.2

Remote

2
5
1 3
4
Fig. 5-9: Connector diagram (top view of M12 socket on Remote)
Pin Signal
1 L+ (operating voltage +, IO-Link 18...30 V)
2 I/Q (digital input / digital output)
3 L− (Operating voltage −)
4 C/Q (IO-Link communication)
5 Not used
Tab. 5-2: Pin assignment of Remote
5.4

Shielding and cable routing

To use both communication channels of the BIC system
simultaneously, the system requires special wiring and two
IO-Link master ports. The supply voltage of the IO-Link
masters plays an important role in this case. A distinction is
made between two cases.
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Same supply of the IO-Link master ports
If the source is the same, the following ports can be
connected:
– the supply voltages together
– the GNDs (L−) together
Fig. 5-10: Same supply of IO-Link master ports
Separate supply of IO-Link master ports
NOTICE
Malfunctions
Equalizing currents can occur with different supply
sources, which can cause malfunctions and system
crashes.
► Plan the system carefully.
► Only connect the supply voltage lines if the supply
system of the plant allows this.
Both GNDs (L−) must be connected together.
Fig. 5-11: Separate supply of IO-Link master ports
Cable length
For IO-Link operation, the maximum cable length is 20 m
(both between the IO-Link master and Base and between
Remote and the IO-Link device).
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