FB3000 RTU Coin Cell Battery Field Installation Guide
D301875X012
June 2021
FB3000 Remote Terminal Unit (RTU)
Coin Cell Battery
Field Installation Guide
Remote Automation Solutions
FB3000 RTU Coin Cell Battery Field Installation Guide
D301875X012
June 2021
Device Safety Considerations
Reading these Instructions
Before operating the device, read these instructions carefully and understand their safety implications. In some situations, improperly using this device may result in damage or injury. Keep this manual in a convenient location for future reference.
Note that these instructions may not cover all details or variations in equipment or cover every possible situation regarding installation, operation, or maintenance. Should problems arise that are not covered sufficiently in the text, immediately contact Customer Support for further information.
Protecting Operating Processes
A failure of this device – for whatever reason -- may leave an operating process without appropriate protection and could result in possible damage to property or injury to persons. To protect against this, you should review the need for additional backup equipment or provide alternate means of protection (such as alarm devices, output limiting, fail-safe valves, relief valves, emergency shutoffs, emergency switches, etc.). Contact Remote Automation Solutions for additional information.
Returning Equipment
If you need to return any equipment to Remote Automation Solutions, it is your responsibility to ensure that the equipment has been cleaned to safe levels, as defined and/or determined by applicable federal, state and/or local law regulations or codes. You also agree to indemnify Remote Automation Solutions and hold Remote Automation Solutions harmless from any liability or damage which Remote Automation Solutions may incur or suffer due to your failure to ensure device cleanliness.
Grounding Equipment
Ground metal enclosures and exposed metal parts of electrical instruments in accordance with OSHA rules and regulations as specified in Design Safety Standards for Electrical Systems , 29 CFR, Part 1910, Subpart S, dated: April 16, 1981 (OSHA rulings are in agreement with the National Electrical Code). You must also ground mechanical or pneumatic instruments that include electrically operated devices such as lights, switches, relays, alarms, or chart drives.
Important: Complying with the codes and regulations of authorities having jurisdiction is essential to ensuring personnel safety. The guidelines and recommendations in this manual are intended to meet or exceed applicable codes and regulations.
If differences occur between this manual and the codes and regulations of authorities having jurisdiction, those codes and regulations must take precedence.
Protecting from Electrostatic Discharge (ESD)
This device contains sensitive electronic components which be damaged by exposure to an ESD voltage. Depending on the magnitude and duration of the ESD, it can result in erratic operation or complete failure of the equipment. Ensure that you correctly care for and handle ESD-sensitive components.
System Training
A well-trained workforce is critical to the success of your operation. Knowing how to correctly install, configure, program, calibrate, and trouble-shoot your Emerson equipment provides your engineers and technicians with the skills and confidence to optimize your investment. Remote Automation Solutions offers a variety of ways for your personnel to acquire essential system expertise. Our full-time professional instructors can conduct classroom training at several of our corporate offices, at your site, or even at your regional Emerson office. You can also receive the same quality training via our live, interactive
Emerson Virtual Classroom and save on travel costs. For our complete schedule and further information, contact the Remote
Automation Solutions Training Department at 800-338-8158 or email us at [email protected]
.
Ethernet Connectivity
This automation device is intended to be used in an Ethernet network which does not have public access. The inclusion of this device in a publicly accessible Ethernet-based network is not recommended.
FB3000 RTU Coin Cell Battery Field Installation Guide
D301875X012
June 2021
Removing/Replacing the Coin Cell Batteries
A 3V lithium coin cell battery (3PBT1) in each of the two power supply modules provides backup power for the SRAM and the real-time clock. These batteries operate continuously with a typical expected cumulative operation of 4900 hours if only one power module is installed or 9800 hours if both power modules are installed.
A separate third lithium coin cell battery (3SBT1) in the CPU module provides backup power for
SRAM and the real time clock only when the CPU module is physically removed from the RTU, or if both power supply modules are physically removed from the RTU. The typical expected cumulative operation for this third backup battery is 1250 hours.
You do not need to power down the unit to replace the SRAM backup batteries.
Important
If you ever power down the unit without the SRAM batteries installed, SRAM data is lost. Always back up your data before you remove the SRAM batteries if you know that main power will also be off.
Important
Replacement SRAM backup batteries must be Renata CR2450HT for the power module(s), and
Renata CR1632 for the CPU module.
DANGER
Ensure the RTU is in a non-hazardous area. Never open the enclosure in a hazardous area.
DANGER
EXPLOSION HAZARD: Do not disconnect equipment unless power has been removed or the area is known to be non-hazardous.
DANGER
EXPLOSION HAZARD: Substitution of any components may impair suitability for Class I, Division
2.
DANGER
EXPLOSION HAZARD: Batteries must only be changed in an area free of ignitable concentrations.
CAUTION
DANGER TO PERSONNEL AND EQUIPMENT
Do not use metallic tools to remove batteries as you could short the battery terminals. If needed, use plastic tweezers or some other non-metallic tool.
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FB3000 RTU Coin Cell Battery Field Installation Guide
D301875X012
June 2021
Removing/replacing the Battery in Power Module (3PBT1)
To remove the power module:
1.
Disconnect the terminal block from the power module you want to remove.
2.
Push a flathead screwdriver into the opening in the lower right of the power module and rotate the handle of the screwdriver upwards to rotate the module upwards.
Note
Do not rotate the handle downwards; that may pop the cover off the power module.
3.
Grasp the old battery and slide it out of the slot.
4.
Safely dispose of the old battery according to local regulations.
5.
Slide the replacement battery in. The positive (+) side with writing on it must be facing downwards, towards the RTU when the power module is installed.
6.
Reinstall the power module.
Removing/replacing the Battery in CPU Module (3SBT1)
1.
Remove the battery access door at the bottom of the CPU module, and the door magnet will pull out the battery. (If this doesn’t work, use your own external magnet to pull out the battery.)
Removing the SRAM Battery
2.
Safely dispose of the old battery according to local regulations.
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FB3000 RTU Coin Cell Battery Field Installation Guide
D301875X012
June 2021
3.
Slide the replacement battery in. The positive (+) side with the label must be facing to the right side of the RTU. Push the battery access door back on.
Replacing the SRAM Battery
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FB3000 RTU Coin Cell Battery Field Installation Guide
D301879X012
June 2021
For customer service and technical support, visit www.Emerson.com/SupportNet
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