Product Info
The Bray Series 5A and 5B Intrinsically Safe Valve Status Monitors (VSMs) provide visual and electrical indication of position of any VDI/VDE 3845 compliant quarter-turn device. The S5A and S5B I.S. VSMs are designed to operate in multiple hazardous locations.
Preventive Maintenance Schedule
Monthly:
- Verify that the VSM is securely mounted and the cam shaft is properly aligned with the actuator shaft
Annual:
- Perform a full functional test of the VSM
- Lubricate the cam shaft and other moving parts as needed
SemiAnnual:
- Inspect the internal components for any signs of wear or damage
- Check the tightness of all electrical connections
Weekly:
- Check that all conduit entries and cover bolts are properly sealed
Daily:
- Visually inspect the VSM for any damage or deterioration
Parts List
- Dome Bolts: Bolts for securing the indicator dome (Part Number: Not Available)
- Dome Washer: Washers for dome bolts (Part Number: Not Available)
- Dome Assembly: Indicator dome (Part Number: 5B0000-22900536 (Aluminum), 5B0000-22950536 (Resin))
- Dome Gasket: Gasket for indicator dome (Part Number: Not Available)
- Indicator Assembly: Internal assembly for visual position indication (Part Number: Not Available)
- Cover Bolt: Bolts for securing the cover (Part Number: 5B0000-22901536 (Aluminum), 5A0000-72102534 (Resin))
- Cover Bolt Washer: Washers for cover bolts (Part Number: 5B0000-22951536 (Aluminum))
Product Specs Sheet
- Enclosure Rating: NEMA Type 4/4X, IP66/67 (Resin housings are IP66/67/68 (1 meter, 1 hour))
- Hazardous Location Certifications: ATEX, UKEX, IECEx, NEC 500 Class I Division 1, NEC 505 Class I Zone 0/1, CEC
- Ambient Temperature Range: -25°C to 49°C (Zone 0), -25°C to 65°C (Zone 1)
- Elevation: 2000m max
Troubleshooting
- Wiring is not connected inside VSM:
- Rewire field wiring and check applied torque to terminal block
- Cams are set outside of actuator range:
- Adjust cam position
- Damage to switches:
- Check power ratings of switches versus application
- Field wiring is reversed:
- Rewire field wiring
- Condensation forming:
- Seal conduit opening
- Corrosion inside unit:
- Check all seals and possible water entry through conduit
- Visual indication is opposite of actuator position:
- Reverse visual indication or re-mount VSM
- Bracket or adapter does not mate properly with actuator:
- Check bracket and adapter for proper fit and adjust as needed
- Actuator is not moving as commanded:
- Check troubleshooting chart in actuator IOM, check field wiring
Please
note that any procedure, checklist, or other document available on Limble is provided for general education and
information only and does not constitute legal, medical, or financial advice. Limble makes the materials available
AS IS and AS PROVIDED, without warranties of any kind. By downloading or using any such materials, you assume the
risk that they may not be appropriate for your specific situation and agree that you are solely responsible for any
such use, including compliance with applicable law and with meeting any conditions of product warranties. It is
recommended to contact OEM for the most accurate information.
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