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Instruction Manual
D102796X012
Fisherr HF340 Filter
Introduction
Scope of Manual
This instruction manual includes installation and maintenance information for the HF340 HARTr filter (see figure 1).
Refer to separate manuals for additional information on other products used with the HART filters, such as FIELDVUEt
DVC6200, DVC6000, or DVC2000 digital valve controllers.
Control system refers to a distributed control system (DCS), programmable logic controller (PLC), or a stand‐alone
controller that provides a control signal to the FIELDVUE instrument.
Do not install, operate, or maintain an HF340 filter without being fully trained and qualified in valve, actuator, and
accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important to
carefully read, understand, and follow all of the contents of this manual, including all safety cautions and warnings. If
you have any questions about these instructions contact your Emerson Process Management sales office before
proceeding.
Figure 1. Fisher HF340 HART Filter
HART COMMUNICATION
CONNECTIONS (COMM)
CONTROL SYSTEM
CONNECTIONS (SYS)
W8283-1
www.Fisher.com
HF340 Filter
FIELD INSTRUMENT
CONNECTIONS (FLD)
July 2011
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Related Manuals for Emerson Fisher HF340 HART
Summary of Contents for Emerson Fisher HF340 HART
- Page 1 To avoid personal injury or property damage, it is important to carefully read, understand, and follow all of the contents of this manual, including all safety cautions and warnings. If you have any questions about these instructions contact your Emerson Process Management sales office before proceeding.
- Page 2 Instruction Manual HF340 HART Filter July 2011 D102796X012 Table 1. Specifications Mounting Electromagnetic Compatibility Standard 35 mm DIN rail mounting with filtering Meets EN 61326-1 (First Edition) components. Immunity—Industrial locations per Table 2 of the EN 61326-1 standard. Performance is Connections shown in table below 2.
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Page 3: Specifications
Instruction Manual HF340 Filter D102796X012 July 2011 The filter is normally installed near the field wiring terminals of the control system I/O. HART communication is only possible between the filter and the field instrument and at the filter COMM terminals, but not on the control system side of the filter. - Page 4 Instruction Manual HF340 HART Filter July 2011 D102796X012 Figure 2. Typical Fisher HF340 HART Filter Installation HART COMMUNICATION NETWORK HART COMMUNICATION INTERFACE COMM TERMINALS FLD TERMINALS FIELD DEVICES SYS TERMINALS − − − − − − CONTROL SYSTEM OUTPUT TERMINALS...
- Page 5 Instruction Manual HF340 Filter D102796X012 July 2011 Corrective Maintenance The most likely malfunction of a loop containing an HF340 filter is reverse polarity installation of one of the wire pairs. The HF340 filter will work with either polarity, but misconnection could result in the wrong polarity reaching the field instrument.
- Page 6 D102796X012 Note Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use, or maintenance of any product. Responsibility for the selection, use, and maintenance of any product remains with the purchaser and end user.
- Page 7 Instruction Manual HF340 Filter D102796X012 July 2011...
- Page 8 Fisher and FIELDVUE are marks owned by one of the companies in the Emerson Process Management business division of Emerson Electric Co. Emerson Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. HART is a mark owned by the HART Communication Foundation.
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