Section 7: Maintenance and troubleshooting

Reference, Installation, and Operations Manual

June 2013

3-9000-743 Rev S

 

 

7.3 Replacing the Mark III Electronics

The Daniel Mark III Ultrasonic Gas Flow Meter electronics consists of the following:

Acquisition board (Base unit)CPU board (Upper Explosion-proof Housing Assembly)I.S. Interface board (Upper Explosion-proof Housing Assembly)Field Termination board (Upper Explosion-proof Housing Assembly)Series 100 Option board or Series 100 Plus Option Board (Upper housing)

See Figure 2-2for board locations within the assembly. Also, see Section 3.3.3 for accessing the Mark III electronics.

Should the Daniel 3400 Series Gas Ultrasonic Flow Meter require disassembly in the field (i.e., check boards, change switch settings, or replace boards), follow the instructions in the Daniel Ultrasonic Mark III Electronic Upgrade Kit Instructions Manual (P/N 3-9000-746) and the Daniel Series 100 Option Boards Field Installation Procedure Manual (P/N 3-9000-749) to disassemble the meter. Both manuals may be downloaded from the Daniel website.

http://www2.emersonprocess.com/EN-US/BRANDS/DANIEL/FLOW/Pages/Flow.aspx

To access the product manual, from the Daniel products page (above link), select the Daniel SeniorSonic 4-Path Gas Flow Meter link, click the Documentation tab, expand the Manuals & Guides tab, then select the manual.

In the event the Daniel Ultrasonic Gas Flow Meter needs repair, the user is advised to contact Daniel Customer Service. The contact information is noted in the preface of this manual.

Record the following information when replacing the meter electronics.Table 7-2 Electronics serial numbers
Board typeSerial number

 

 

Acquisition board

Backplane

I.S. Interface board

Power supply

CPU module

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Replacing the Mark III Electronics