Johnson Controls FX Supervisory Controller RS-485 Card User manual

Installation Instructions RS-485 Card

Issue Date April 9, 2014

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.

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