IO-Link Master with IoT Interface DataLine 8 Ports IP 65 / IP 66 / IP 67
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6.3.2
Connect IO-Link devices for Class B operation
51960
Notes on wiring:
For Class B operation, the IO-Link device must be supplied with an additional auxiliary voltage UA
using a Y connection cable.
WARNING!
Non-compliance with the electrical separation of the circuits
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Risk of fire!
► Ensure that the external supply UA is galvanically separated from the circuit of the
IO-Link Master by assuring basic insulation (according to IEC 61010-1, secondary circuit
with 30 V DC maximum, supplied from mains circuit up to 300 V of overvoltage category
II).
► Ensure that the IO-Link devices and the connection technology support the galvanic
separation.
In case of operation as port class B, the additional digital input of the IO-Link port (pin 2) is not
available!
► Connect the connectors of the IO-Link devices via a Y
connection cable with the M12 sockets of the IO-Link ports
X01...X08.
► Connect the Y cable to 24 V DC (20...30 V SELV/PELV)
Tightening torque: 0.6...0.8 Nm
► To connect the devices, use M12 connectors with protection
rating IP 65 / IP 66 / IP 67 or higher (
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