Ir485 And Irv485 Gateway Module; Ir485 Communication Protocol; Rs485 Network - Ingersoll Rand X8I Mode D'emploi

IR485 AND IRV485 GATEWAY MODULE
The ir-485 and irV-485 Gateways are designed to
interface the Intellisys Controller on the Ingersoll Rand
Compressors and the Nirvana compressors, 20 HP (15KW)
and above, with the X8I via the RS485 Network utilizing
the ir485 protocol. The ir-485 and irV-485 Gateways
are DIN Rail mounted and can be located within the
compressor control gear enclosure or remotely within a
separately enclosure.
ir-485
ir-485 Gateway
The cable used between the X8I and the ir-485 and irV-
485 Gateways is Belden 9841 (or equivalent). It should be
run in grounded conduit and should not be greater than
4000 feet (1219 meters) in length.
The cable used between the ir-485 Gateway and irV-485
Gateways and the Intellisys Controller is included with the
Installation Kit
The cable used between the ir-485 Gateway and the
Intellisys Controller is included with the Installation Kit
Consult the X8I Interconnect and Application Guide
and the ir-485 or irV-485 Gateway Manual prior to the
installation of the X8I and the Compressor Gateway to the
air compressor.

IR485 COMMUNICATION PROTOCOL

ir485 is a unique communication protocol designed
specifically for Compressor and Air System control. ir485
is a Multi-Master vs. a Master–Slave protocol that enables
faster, more effective control of network components.
ir485 also features distributed control capabilities and has
inherent resistance to communication faults due to noise
Note: Follow RS485 Network installation
recommendations.

RS485 NETWORK

The X8I is equipped with an RS485 network
communications capability using the ir485 protocol. This
facility can be used for remote connectivity to optional
networked units and modules with ir485 communications
capabilities or compressor controllers equipped with the
ir485 capability.
ir - 485
Communication Network. Refer to the X8I Application
irV-485 Gateway
and Interconnect Guide For Wiring Details and
Connectivity.
The following example details the "correct" method of
wiring the RS485 Network
The following example details the "incorrect" method of
wiring the RS485 Network
11
L2 3
L1
2
2
2
The RS485 Network is a Serial, Point to Point
4000ft (1219m) max
Ingersoll Rand
i
4
8 5
5 8
Correct RS485 Network Example
Ingersoll
Rand
i
Ingersoll Rand
i
8 5
Ingersoll
Rand
i
Incorrect RS485 Network Example
L2
L1
S4
Ingersoll
Rand
i
4
5 8
Ingersoll
Rand
i