Rio Link Wiring - Allen-Bradley 1747-SN Installation Instructions Manual

Remote i/o scanner
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5. Insert the cable tie in the slots.
6. Route the cable down and away from module, securing it with the cable tie.
7. Cover all unused slots with the Card Slot Filler, Catalog Number 1746-N2.
Removal
1. Disconnect power.
2. Remove all cabling.
3. Press the releases at the top and bottom of the module and slide the module
out of the chassis slot.
4. Cover all unused slots with the Card Slot Filler, Catalog Number 1746-N2.

RIO Link Wiring

The scanner is connected to other devices on the RIO link in a daisy chain (serial)
configuration. There are no restrictions governing the space between each
device, provided the maximum cable distance (Belden™ 9463) is not
exceeded.A 1/2 watt terminating resistor (included with the module) must be
attached across line 1 and line 2 of the connectors at each end (scanner and last
physical device) of the RIO link. The size of the resistor depends on the baud
rate and extended node capability, as shown in the table below.
Note: To use extended node, all devices on the RIO link must support it. Refer
to each device's user manual.
Using Extended
Node Capability
Not Using
Extended Node
Capability
Max. Cable Distance
Baud Rate
57.6K baud
3048 m (10,000 ft.)
115.2K baud
1524 m (5,000 ft.)
230.4K baud
57.6K baud
3048 m (10,000 ft.)
115.2K baud
1524 m (5,000 ft.)
230.4K baud
Remote I/O Scanner
(Belden 9463)
762 m (2,500 ft.)
762 m (2,500 ft.)
Resistor Size
82Ω 1/2 Watt
Gray-Red-Black-Gold
150Ω 1/2 Watt
Brown-Green-Brown-Gold
82Ω 1/2 Watt
Gray-Red-Black-Gold
Publication 1747-5.33
9

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