Johnson Controls FX Supervisory Controller RS-485 Card User manual
Installation Instructions RS-485 Card
Issue Date April 9, 2014
© 2014 Johnson Controls, Inc. 1
Part No. 24-10174-69, Rev. C www.johnsoncontrols.com
FX Supervisory Controller RS-485 Card
Installation Instructions
Applications
The RS-485 option card provides dual port, isolated
RS-485 communications capability to the FX
Supervisory Controllers. You can install up to two
RS-485 option cards per FX Supervisory Controller.
If an RS-485 option card is installed in Option Slot 1,
then the ports are COM3 and COM4. If an RS-485
option card is installed in Option Slot 2, then the ports
are COM3 and COM4 (unless the RS-232 option card
is installed in Option Slot 1). If the RS-232 option card
is installed in Option Slot 1, the RS-485 ports are
COM4 and COM5. See Table 1.
If two RS-485 option cards are installed, then the ports
are COM3 and COM4 for the card in Option Slot 1,
and COM5 and COM6 for the card is Option Slot 2.
For related information on FX Supervisory Controller
mounting and wiring, refer to the FX Supervisory
Controller Installation Instructions
(Part No. 24-10174-77).
Figure 1: FX Supervisory Controller RS-485 Card
North American Emissions Compliance
United States
This equipment has been tested and found to comply
with the limits for a Class A digital device pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful
interference when this equipment is operated in a
commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the
instruction manual, may cause harmful interference to
radio communications. Operation of this equipment in
a residential area is likely to cause harmful
interference, in which case the user will be required to
correct the interference at his/her own expense.
Canada
This Class (A) digital apparatus meets all requirements
of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la Classe (A) respecte
toutes les exigences du Règlement sur le matériel
brouilleur du Canada.
Installation
Unpack the RS-485 option card and inspect the
contents of the package for damaged or missing
components. If the option card is damaged, notify the
appropriate carrier and return any damaged
components for repair or replacement.
Parts Included
Included in this package are the following items:
one RS-485 option card, along with connector end
plate
two 3-position terminal plugs, for wiring to two
RS-485 networks
FX Supervisory Controller RS-485 Card
Installation Instructions (Part No. 24-10174-69)
2 FX Supervisory Controllers RS-485 Card Installation Instructions
Special Tools Needed
The following supplies and tools are required for
installation:
#2 Phillips screwdriver: used to install the
RS-485 card
small flat-blade screwdriver: used to make
wiring connections to the RS-485 network wiring
!
WARNING: Risk of Electric Shock.
Disconnect the power supply before making
electrical connections. Contact with components
carrying hazardous voltage can cause electric shock
and may result in severe personal injury or death.
AVERTISSEMENT: Risque de décharge
électrique. Débrancher l'alimentation avant de
réaliser tout branchement électrique. Tout contact
avec des composants conducteurs de tensions
dangereuses risque d'entraîner une décharge
électrique et de provoquer des blessures graves,
voire mortelles
IMPORTANT: Make sure to plug any option card
into its connector properly (pins aligned).
IMPORTANT: Avoid hot plug-in or the removal of
any option card from the FX Supervisory Controller.
This means you must first remove power from the
unit.
Mounting
Mounting the RS-485 Card onto the FX
Supervisory Controller
Mount the RS-485 card in either of the option card
slots on the FX Supervisory Controller, as available.
To mount the RS-485 card onto the FX Supervisory
Controller:
1. Remove power from FX Supervisory Controller.
2. Remove the FX Supervisory Controller cover by
pressing in the four tabs on both ends of the FX
Supervisory Controller and lifting off the cover.
Note: If accessory modules are plugged into the
FX Supervisory Controller, you may need to slide
them away from the unit to access the cover tabs.
3. Remove the battery and bracket assembly (if
present) by taking out the four screws holding the
bracket in place. Set the screws aside for later.
4. Unplug the battery from the connector on the FX
Supervisory Controller (Figure 2).
FXSupervisory
Controll er
Figure 2: Removing Battery Assembly
5. Remove the blanking end plate for the slot you
want to install the option card into. Retain the
blanking end plate in case you want to remove the
option card at a later date.
6. Carefully insert the pins of the RS-485 card into
the socket of the appropriate option card slot. The
mounting holes on the RS-485 card should line up
with the standoffs on the FX Supervisory
Controller. If they do not line up, the connector is
not properly aligned.
7. Press until the RS-485 Card is completely seated.
8. Place the custom end plate that came with the
RS-485 Card over the connector (Figure 3).
Figure 3: Inserting RS-485 Card
9. Plug the battery cable into the battery connector
on the FX Supervisory Controller. See Figure 2 for
the location.
10. Set the battery and bracket assembly back over
the option card slots, with the mounting holes
aligned with the standoffs.
11. Place the four screws through the battery bracket,
end plates, and into the standoffs on the FX
FX Supervisory Controllers RS-485 Card Installation Instructions 3
Supervisory Controller. Hand tighten these screws
with screwdriver. See Figure 4.
Figure 4: Refasten Screws
12. Replace the FX Supervisory Controller cover. If
accessory modules were unplugged, plug them
back into the FX Supervisory Controller as before,
and secure the modules.
Wiring
Connect the RS-485 network communications wiring
to the 3-position connector of the RS-485 Card. The
screw terminals from left to right are shield, plus (+),
and minus (-).
Refer to the TIA/EIA-485 standard for technical
guidelines associated with RS-485 network wiring
guidelines.
Figure 5: FX70 Option Card Slots
Repair Information
If the RS-485 option card fails to operate within its
specifications, replace the unit. For a replacement
option card, contact the nearest Johnson Controls®
representative.
Operation
Light-Emitting Diodes (LEDs)
Two sets of two LEDs (one set for each RS-485 port)
appear on the top of the RS-485 option card (cover
must be removed from the FX Supervisory Controller):
RX (green): Receive. Indicates that another
RS-485 device is transmitting a message.
TX (yellow): Transmit. Indicates that the FX
Supervisory Controllers is transmitting a message
on the RS-485 network.
4 FX Supervisory Controllers RS-485 Card Installation Instructions
Table 1: RS-485 Card Option Slots
FX20/FX30E/FX60/FX60E FX70
Up to 2 RS-485 cards supported Up to 2 RS-485 cards supported
Option Slot 1 Option Slot 2 Option Slot 1 Option Slot 2
RS-485 = COM3,
COM4 RS-485 = COM5, COM6 RS-485 = COM5, COM6 RS-485 = COM7, COM8
RS-232 = COM3 RS-485 = COM4, COM5 RS-232 = COM5 RS-485 = COM6, COM7
LON = LON1 RS-485 = COM3, COM4 LON = LON1 RS-485 = COM5, COM6
Wireless TEC =
COM1 RS-485 = COM3, COM4 NA NA
Sedona = COM3 RS-485 = COM4, COM5 Sedona = COM5 RS-485 = COM6, COM7
Modem = COM1 RS-485 = COM3, COM4 Modem = COM3 RS-485 = COM5, COM6
GPRS = COM3,
COM4 RS-485 = COM5, COM6 GPRS = COM5, COM6 RS-485 = COM7, COM8
Building Efficiency
507 E. Michigan Street, Milwaukee, WI 53202
Johnson Controls® is a registered trademark of Johnson Controls, Inc.
All other marks herein are the marks of their respective owners. © 2014 Johnson Controls, Inc.
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