Honeywell XNX Universal Transmitter User manual

Installation Guide
XNX Universal Transmitter
Relay Board

Electrostatic Sensitive Device (ESD)
Electrostatic discharge (ESD) is the transfer, between bodies, of an electrostatic charge caused
by direct contact or induced by an electrostatic field.
The most common cause of ESD is physical contact. Touching an object can cause a discharge
of electrostatic energy—ESD! If the charge is sufficient and occurs near electronic components,
it can damage or destroy those components.
In some cases, damage is instantaneous and an immediate malfunction occurs. However,
symptoms are not always immediate—performance may be marginal or seemingly normal for an
indefinite period of time, followed by a sudden failure.
To eliminate potential ESD damage, review the following guidelines:
Handle boards by their edges, taking care not to touch electronic components•
Wear grounded wrist or foot straps, or ESD shoes or heel grounders to dissipate•
unwanted static energy
Prior to handling boards, dispel any charge in your body or equipment•
Ensure components are transported and stored in static safe packaging•
When returning boards, carefully package in the original carton and static protective•
wrapping
Ensure ALL personnel are educated and trained in ESD Control Procedures•
In general, exercise accepted and proven precautions normally observed when handling
electrostatic sensitive devices.
A warning label is placed on the packaging, identifying product using electrostatic sensitive
semiconductor devices.

XNX Relay Board Installation Guide 3
1 Relay Option Board
The relay option (XNX-Relay) provides 3 form “C” contacts for alarm and fault indication. A remote
reset is provided to silence alarms.
Note
This option is not available with the Modbus®or Foundation FieldbusTM options.
Wiring for the relays is through an available cable/conduit entry to terminal block TB3.
Warning: Power
externally supplied.
Disconnect at source
prior to servicing.
3-5
3-4
3-3
3-2
3-1
3-6
3-7
3-8
3-9
C
NC
TB4
Remote
Reset SW
Relay Ratings
250VAC 5A
24VDC 5A
NO
C
NC
NO
NC
C
NO
Fault Level 2 Level 1
TB-3 RELAY
TB3 Relay Connections
Warning: Power externally
supplied, disconnect at source
prior to servicing
Relay Contact Ratings:
250 VAC 5 amps
24 VDC 5 amps
Relay
TB3
1NC
2C
3NO
4NC
5C
6NO
7NC
8C
9NO
TB4
11
22
1
2
3
4
5
6
7
8
9
TB3
1
2
TB4

XNX Relay Board Installation Guide
4
2 Option Board Installation
WarNiNg
If you are retrotting an option board into a previously installed unit, remove power from the
XNX unit to prevent potential electric shock
Release the cover locking screw with the provided 2mm hex key.1.
Unscrew, remove the cover and set it aside.2.
Using the handle provided, carefully slide the POD from the inside of the XNX3.
Transmitter housing. If your XNX is currently in use, carefully unplug the terminal
blocks from the rear of the POD.
Place the POD face down on a flat work surface taking care to not damage the4.
LCD screen.
Remove the blank label from the POD and replace it with the label provided with the5.
new Relay option board
Remove the 6 case screws from the POD set them aside in a safe place.6.
Case screws (6)

XNX Relay Board Installation Guide 5
Lift the back cover off the POD revealing the personality board and components inside.7.
Personality
Board
Main Board
Option Board
Connector
Remove the option board from its packaging.8.
Install the option board onto the main board by carefully inserting the pins on the back9.
of the option board into the connector on the main board.
Option Board
Connector
Replace the back cover and screws, then wire accordingly or reconnect to existing wiring.10.

XNX Relay Board Installation Guide
6
Slide the POD back into the XNX housing and replace the cover.11.
Note:
Before replacing the cover on the transmitter housing, coat the threads with anti-seize
compound to prevent corrosion buildup.
When the XNX completes the startup routine, as it attempts to enter monitoring12.
mode, the XNX will show Fault 152 signifying that the XNX must be configured to
recognize the new option board.
Navigate the XNX to the Transmitter Data screens found under the Information Menu. In addition
to displaying the current transmitter configuration, Transmitter Data is also used to update the
configuration of the XNX when a new option board is added or removed. To add the new option,
use the
switches to navigate to the Option Revision screen, then swipe the

magnetic switch
on the front panel to display Accept New Option Screen. The screen will show the current option
(if any) and the newly installed option. Use the switches to highlight the option then swipe the

magnetic switch on the front panel to accept the change. The XNX will update the part number
of the unit and the new option will be operational.

XNX Relay Board Installation Guide 7


Figure 1. Updating The XNX for Option Boards Added or Removed

1998-0751 Release 1
March 2009
MAN0884_EMEAI
© 2009 Honeywell Analytics
Please Note:
While every effort has been made to ensure accuracy in this publication, no responsibility can be
accepted for errors or omissions. Data may change, as well as legislation, and you are strongly
advised to obtain copies of the most recently issued regulations, standards and guidelines.
This publication is not intended to form the basis of a contract.
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