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Concept

Concept


Products: MP-V, RP-C, RP-V
Functionalities: Hardware
Product version: 2022, 2023, 2024, 7.0
2/12/2024

RS-485 Adapters

arrow1_rotationIsolated RS-485 Adapter arrow1_rotationNon-isolated RS-485 Adapter arrow1_rotationRS-485 Power Adapter

The RS-485 adapters are RJ45 to screw terminal block adapters and are offered as accessories for some BACnet/IP controller models when the controllers are used in certain network configurations.

 
action_zoom_plus_stroke RS-485 Adapter, Isolated RS-485 Adapter model
Figure: RS-485 Adapter, Isolated RS-485 Adapter model

The RS-485 adapters are available in three models:

  • Isolated RS-485 Adapter (SXWISORS48510001)

  • Non-isolated RS-485 Adapter (SXWNISORS48510001)

  • RS-485 Power Adapter (SXWNISORS485P10001)

The RS-485 adapters can be ordered from Schneider Electric using the above part numbers.

Isolated RS-485 Adapter

The Isolated RS-485 Adapter (SXWISORS48510001) is used when connecting a BACnet/IP controller that supports reconfiguration for BACnet MS/TP communication to a BACnet MS/TP (RS-485) network. The Isolated RS-485 Adapter has an isolated RS-485 transceiver and is used when the BACnet MS/TP (RS-485) network is comprised of isolated controllers, such as MNB BACnet devices (zone controllers) and selected others.

For more information, see Isolated RS-485 Adapter .

Non-isolated RS-485 Adapter

The Non-isolated RS-485 Adapter (SXWNISORS48510001) is used when connecting a BACnet/IP controller that supports reconfiguration for BACnet MS/TP communication to a BACnet MS/TP (RS-485) network. The Non-isolated RS-485 Adapter is used when the BACnet MS/TP (RS-485) network includes non-isolated controllers, such as the b3 BACnet family of zone controllers.

Note:

The Non-isolated RS-485 Adapter (SXWNISORS48510001) is also used when connecting an RP or MP controller that supports Modbus communication to a Modbus RTU subnetwork.

For more information, see Non-isolated RS-485 Adapter .

RS-485 Power Adapter

The RS-485 Power Adapter (SXWNISORS485P10001) is used with BACnet/IP controllers to support the connection of various types of devices to an RS-485 based network such as Room Bus, Sensor Bus, or a Modbus RTU network. The RS-485 Power Adapter is a flexible device that can be used for several different applications, which mainly fall into the following categories:

  • Convert a BACnet/IP controller RS-485 interface

  • Enable injection of 24 VDC from an external power supply to an RS-485 bus

For more information, see RS-485 Power Adapter .

See Also

  • Hardware Overview
  • Isolated RS-485 Adapter
  • Non-isolated RS-485 Adapter
  • RS-485 Power Adapter