Connections and Wiring
Connections and Wiring
Installing the Master or Hub Card
The
To install a Master or Hub Card in an NXI:
1.Discharge the static electricity from your body by touching a grounded metal object.
2.Unplug all the connectors from the NXI.
3.Remove the two screws that hold the front plate on the Master or Hub Card, and remove the front plate.
4.Align the edges of the card with the guide slots inside the Master Card slot on the NXI.
5.Slide the card about halfway into the slot.
6.Inside the Master Card slot on NXI, locate the
7.Plug the connector from the NXI into the
8.Once the control cable is connected, gently slide the card all the way in until you feel the rear edge of the card lightly snap into place.
9.
Preparing/connecting captive wires
1.Strip 0.25 inch of wire insulation off all wires.
2.Insert each wire into the appropriate opening on the connector according to the wiring diagrams and connector types described in this section. Do not tighten the screws excessively; doing so may strip the threads and damage the connector.
RS-232/422/485 Wiring Specifications
The following table lists the wiring specifications for the
RS-232/422/485 Wiring Specifications
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1 | GND | Signal ground | X | X |
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2 | RXD | Receive data | X |
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3 | TXD | Transmit data | X |
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4 | CTS | Clear to send | X |
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5 | RTS | Request to send | X |
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6 | TX + | Transmit data |
| X | X (strap to pin 8) |
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7 | TX - | Transmit data |
| X | X (strap to pin 9) |
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8 | RX + | Receive data |
| X | X (strap to pin 6) |
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9 | RX - | Receive data |
| X | X (strap to pin 7) |
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10 | 12 VDC | Power | optional | optional |
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Relay Connections and Wiring
You can connect up to 12 independent external relay devices to the Relay connectors on the NXI (port 7).
Connectors labeled A are for common; B are for output.
Each relay is isolated and normally open.
A metal commoning strip is supplied with each NXI to connect multiple relays.
NXI NetLinx Integrated Controller | 5 |
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