JP2005122744A5 - - Google Patents

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Publication number
JP2005122744A5
JP2005122744A5 JP2004300044A JP2004300044A JP2005122744A5 JP 2005122744 A5 JP2005122744 A5 JP 2005122744A5 JP 2004300044 A JP2004300044 A JP 2004300044A JP 2004300044 A JP2004300044 A JP 2004300044A JP 2005122744 A5 JP2005122744 A5 JP 2005122744A5
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JP
Japan
Prior art keywords
pair
electrical connections
process control
wire process
current loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2004300044A
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English (en)
Japanese (ja)
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JP2005122744A (ja
JP4722447B2 (ja
Filing date
Publication date
Priority claimed from US10/685,167 external-priority patent/US7016741B2/en
Application filed filed Critical
Publication of JP2005122744A publication Critical patent/JP2005122744A/ja
Publication of JP2005122744A5 publication Critical patent/JP2005122744A5/ja
Application granted granted Critical
Publication of JP4722447B2 publication Critical patent/JP4722447B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2004300044A 2003-10-14 2004-10-14 信号変換装置 Expired - Lifetime JP4722447B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/685167 2003-10-14
US10/685,167 US7016741B2 (en) 2003-10-14 2003-10-14 Process control loop signal converter

Publications (3)

Publication Number Publication Date
JP2005122744A JP2005122744A (ja) 2005-05-12
JP2005122744A5 true JP2005122744A5 (enExample) 2007-04-05
JP4722447B2 JP4722447B2 (ja) 2011-07-13

Family

ID=34423122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004300044A Expired - Lifetime JP4722447B2 (ja) 2003-10-14 2004-10-14 信号変換装置

Country Status (5)

Country Link
US (1) US7016741B2 (enExample)
JP (1) JP4722447B2 (enExample)
CN (1) CN100437397C (enExample)
DE (1) DE102004050079B4 (enExample)
RU (1) RU2328763C2 (enExample)

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US8787848B2 (en) 2004-06-28 2014-07-22 Rosemount Inc. RF adapter for field device with low voltage intrinsic safety clamping

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US10554644B2 (en) 2016-07-20 2020-02-04 Fisher-Rosemount Systems, Inc. Two-factor authentication for user interface devices in a process plant
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US11605037B2 (en) 2016-07-20 2023-03-14 Fisher-Rosemount Systems, Inc. Fleet management system for portable maintenance tools
US10599134B2 (en) 2016-07-22 2020-03-24 Fisher-Rosemount Systems, Inc. Portable field maintenance tool configured for multiple process control communication protocols
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Publication number Priority date Publication date Assignee Title
US8787848B2 (en) 2004-06-28 2014-07-22 Rosemount Inc. RF adapter for field device with low voltage intrinsic safety clamping

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