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7.2.2.1 Connecting the card reader
7.2.2.2 Wiring requirements
The wiring required between the card reader and the Orion is listed below:
7.3 Bus configuration with card reader
If an Orion is connected in bus configuration (kpBus):
• communication must be established via the black 4-pole screw connector
• a maximum of eight Orions per kpBus applies
• the maximum cable length is 600m
• the power feed does not run across the kpBus
• every Orion must be provided with its own power feed
• the serial number and location of every Orion must be noted (see section 2.1)
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