ABB FieldKey NHU200 Manuale utente
Quick-start Guide SOI/NHU200-EN
FieldKey NHU200
Wireless adapter
1Health and safety
To ensure that our products are safe and without risk to health,
the following points must be noted:
1. The relevant sections of these instructions must be read
carefully before proceeding.
2. Warning labels on containers and packages must be
observed.
3. Installation, operation, maintenance and servicing must only
be carried out by suitably trained personnel and in
accordance with the information given and site procedures.
Product disposal
Refer to the User Guide (OI/NHU200–EN) for disposal
information.
2Installation overview
Ensure the intended field instrument has a tag and message
configured – see section 6:
1. Remove the FieldKey from the box.
2. Attach the antenna.
3. Attach the FieldKey to the field instrument (remove the
antenna to help rotate the housing).
4. Rotate housing for best antenna direction (normally vertical).
5. Lock the FieldKey via the locking nut and set or grub screw.
6. Make electrical connection to the FieldKey (see Section 5)
and then wait at least 3 minutes.
7. Connect HART configuration tool and set Network ID, Join
Key and FieldKey Tag.
8. Set the join mode to Join Now.
9. Monitor the join status.
3Mechanical installation
The WirelessHART adapter can be fitted in the following ways:
Via a spare instrument cable gland.
If no cable gland is available use the T-Piece (option).
Connect the adapter at a junction box located in the 4 to
20 mA signal loop.
4Antenna direction and locking
The antenna can be rotated through almost 360° and fixed in
place by rotating the locking nut and tightening the set or grub
screw with the Allen key.
The best position for the antenna is often in a vertical direction.
European countries only.
Locking Nut
SOI/NHU200-EN 03.2011
Contact us
5Electrical connection
Connect the FieldKey in series with the 4 to 20 mA loop.
1. Use the connector on the negative (–ve) wire as shown.
2. Install the AO coupler for use with positioners.
6Adapter commissioning
Information required:
the Join Key (as set in the Gateway)
the Network ID (as set in the Gateway)
Red (+ve)
Black (–ve) Connector
4 to 20 mA
Insert loop wire
FieldKey
Connector (–ve Wire)
Push to insert FieldKey wire
4 to 20 mA loop Positioner housing
–ve
+ve
+ve
+ve
–ve
T1 = FieldKey negative (Black)
T2 = Loop negative
T3 = Loop positive
T4 = Instrument positive
AO Coupler
HART tree for FieldKey NHU200 Wireless Adapter
Poll Address
Tag
Device
Long tag
Message
Descriptor
Date
Network ID
Key 1
Key 2
Key 3
Key
Join mode
Network Search time
Identify
Network
ABB Limited
Process Automation
Howard Road
St. Neots
Cambridgeshire
PE19 8EU
UK
Tel:+44 (0)1480 475321
Fax:+44 (0)1480 217948
We reserve the right to make technical changes or
modify the contents of this document without prior
notice. With regard to purchase orders, the agreed
particulars shall prevail. ABB does not accept any
responsibility whatsoever for potential errors or
possible lack of information in this document.
We reserve all rights in this document and in the
subject matter and illustrations contained therein. Any
reproduction, disclosure to third parties or utilization of
its contents – in whole or in parts – is forbidden without
prior written consent of ABB.
Copyright© 2011 ABB
All rights reserved
3KXN674200R4101
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