User manual

OceanWorks International
120 – 6741 Cariboo Road
Burnaby, BC V3N 4A3
Canada
www.oceanworks.com
Document Number: 0848-RPT002 Subsea System User Manual
Author: Graham Cunliffe Page 13 of 27 Revision 1.0
Table 6.3.2.1. Subsea Software Breaker Shut Down Conditions
Breaker Fault Condition Breaker Status
Bit
Bit = 0 Bit = 1
Over-current Fault 3 NO FAULT FAULT
Ground-fault 4 NO FAULT FAULT
Low Voltage Fault 5 NO FAULT FAULT
High Voltage Fault 6 NO FAULT FAULT
7. Maintenance Procedures
7.1. Periodic Maintenance Requirements
The following mechanical items should be checked when the JB has been recovered from a
subsea deployment:
- Check pressure vessel for signs corrosion.
- Check cable pins for signs of corrosion.
- Replace SeaCon connector o-rings.
- Replace pressure vessel can head o-rings if JB is opened.
- Check the alignment of paint marks on pressure vessel fasteners, pressure
release valve and purge plug.
Updated firmware should be flashed to the JB upon availability. This firmware includes:
- Subsea software
- MOXA EDS510A firmware
- MOXA EDS508A firmware
- MOXA NPort 5450I firmware
7.2. Test Equipment and Special Tools Required
It is recommended that the test equipment and special tools given listed below be utilized
when bench testing the JB to allow for complete testing and operation of the device.
- 400VDC Power Supply
- LV DC Load Bank
- HV (400VDC) DC Load Bank
- HV Insulation Strength Tester
- Digital Multimeter
- Current Clamp Meter
- Oscilloscope
- Laptop
- Managed Ethernet Switch
- Junction Box Serial Isolation Card Assembly
- Ethernet Serial Server
- 6 x CAT5e Patch Cables
- 2 x EIA232 Crossover Cable
- 2 x EIA485 Crossover Cable