Guide: Management of Change-Replacement of TopWorx 4310 Series Wireless Position Monitors with Fisher 4320 Series
Table of contents
Loading...Fisher Guide: Management of Change-Replacement of TopWorx 4310 Series Wireless Position Monitors with Fisher 4320 Series Manuals & Guides
Management of Change Guide
Replacement of TopWorx™ 4310 Series
Wireless Position Monitors with Fisher™
4320 Series
Table of Contents
Management of Change ..................................2
Background ....................................................2
Question & Answer Checklist ..........................2
September 2018
D352642X012
Comparison of TopWorx 4310 Wireless Position
Monitor Series to Fisher 4320 Series ................4
Hardware Differences ......................................................... 4
Hazardous Area Approval Differences ................................. 4
Mountings Differences ........................................................ 4
Electronics Differences ....................................................... 4
Power Module Differences .................................................. 4
On/Off Control Option Differences ..................................... 4
Functionality Differences ................................................... 4
Device Descriptor (DD) Impact .......................................... 5
Conclusion ......................................................5
Management of Change
Management of Change (MOC) is a procedure used to proactively manage changes
that can potentially affect safety or general procedure within a process plant.
Product changes often have a signicant impact on plant efciency throughout
the transition period. In lieu of the complexity of completing an MOC approval
process, this MOC Guide has been developed to prevent delays and difculties while
ensuring a successful product change.
Background
To simplify and streamline our wireless product offerings, the TopWorx 4310
wireless product line will move to the Supported lifecycle status effective October
1, 2016. The Fisher 4320 product line will replace the TopWorx 4310. The
Fisher 4320 uses the same mounting, electronics, power module, housing, and
incorporates all the functionality of the TopWorx 4310, while providing precision
valve position feedback throughout the entire travel range. Technical support and
spare parts for the TopWorx 4310 will remain available in Supported status.
MOC: 4310 to 4320 Positioners
September 2018
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Please reference below for denition of the lifecycle stages and associated support
available.
Current: A product in this lifecycle stage is the most current generation
product available.
Active: A product in this lifecycle stage can still be purchased, but it is not
the latest generation.
Supported: A product in this lifecycle stage can no longer be purchased
new. Spare parts and technical support are still made available for up to
seven years.
Retired: A product in this lifecycle stage can no longer be purchased new.
Spare parts and technical support are not available.
The following sections are design comparisons between the Fisher 4320 product
line and the TopWorx 4310 product line. These comparisons demonstrate how
users of the TopWorx 4310 can quickly and efciently transition to Fisher 4320.
Question & Answer Checklist
Q: Does the proposed modication cause any changes to the piping and
1
instrumentation diagram (P&ID)?
A: No, the P&IDs do not change. However, the supporting wiring
diagrams and other documents that specically identify product types
would need to be updated.
2
Q: Does the proposed modication change process chemistry,
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3
4
5
technology, or operating and control philosophies?
A: No.
Q: Have the operating and design limits of the proposed modication
changed?
A: No.
Q: Have the codes and standards to which the new equipment has been
designed changed?
A: No.
Q: Does the proposed modication change the Hazardous Electrical Area
classication?
A: No.
MOC: 4310 to 4320 Positioners
September 2018
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Q: Does the proposed modication change existing or create new
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7
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demands for battery backup or other power supply redundancy or
reliability?
A: No.
Q: Does the proposed modication introduce new equipment that needs
to be operated and has a new operations list been stated?
A: No.
Q: Does the proposed modication introduce new equipment items
that require spare parts, training manuals, maintenance procedures,
or training to teach the maintenance department how to maintain
them?
A: Yes. The device descriptor (DD) will need to be updated in the 475
Field communicator or AMS Device Manager Software.
Q: Does the proposed modication change the spares for existing pieces
of equipment?
A: No.
Q: Does the proposed modication introduce new equipment items that
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require periodic predictive maintenance?
A: No.
3
Comparison of TopWorx 4310 Wireless Position Monitor Series to Fisher 4320 Series
Hardware Differences
None
Hazardous Area Approval Differences
None
Mountings Differences
None
Electronics Differences
None
MOC: 4310 to 4320 Positioners
September 2018
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Power Module Differences
None
On/Off Control Option Differences
None
Functionality Differences
The 4310 has the measurement output option of 2 discrete switches.
The 4320 has the measurement output option of 2 discrete switches and an Analog
0-100%.
The initial dynamic variable assignments shown in the tables below are different
between the 4310 and the 4320. The 4320 dynamic variables can be reassigned
using the device DD to match those of the 4310.
Dynamic Variable
Assignment
Primary (PV) Switch States Switch States Switch States
Secondary (SV) Set Point Set Point Switch States
Tertiary (TV) Cycle Counter Cycle Counter Cycle Counter
Quaternary (QV) Supply Voltage Supply Voltage Supply Voltage
Table 1. 4310 Wireless Position Monitor - Initial Dynamic Variable Assignments (Default)
Control Snap Control Monitor
Device Structure
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on dark backgroundson light backgrounds
standard
no gradients
watermark
stacked logo (for sharing only)
standard
no gradients
watermark
stacked logo (for sharing only)
MOC: 4310 to 4320 Positioners
September 2018
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Dynamic Variable
Assignment
Control Snap Control Monitor
Device Structure
Primary (PV) Position Position Position
Secondary (SV) Set Point Set Point Switch States
Tertiary (TV) Switch States Switch States Cycle Counter
Quaternary (QV) Supply Voltage Supply Voltage Supply Voltage
Table 2. 4320 Wireless Position Monitor - Initial Dynamic Variable Assignments (Default)
Device Descriptor (DD) Impact
In order to utilize use the 4320, a new DD will need to be installed.
4310 = Device Type E0CE 4320 = Device Type 1308
Device Revision 4, DD Rev 1 Device Revision 3, DD Rev 1
Table 3. Device Descriptions
Conclusion
The Fisher 4320 Wireless Position Monitor with and without on/off control option
provides form, t, and functional replacement capability of the TopWorx 4310
wireless position monitor.
Please refer to the Fisher 4320 wireless position monitor product bulletin and
instruction manual available from your Emerson Automation Solutions sales ofce
or at www.Fisher.com for complete features.
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