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Supported Devices

The Honeywell Mercury protocol module can communicate with Mercury EC-AT, MINI-AT, MINI-MAX-AT, ER, ERX, EC350, ERX350 (ER350)¹, Pulse Accumulator and Turbo Corrector compatible devices. Other devices that use the same protocol, or use protocol emulators can also be supported.

Supported Features

The Honeywell Mercury device object provides support for a number of documented Honeywell Mercury variations. Reading real time data values and historical data upload are supported.

Further Information

For further information regarding the Honeywell Mercury device, please refer to the vendor documents.

What's New

The Honeywell Mercury - New* protocol driver was developed using AUTOSOL's newest protocol driver software framework. This new framework allows for faster development of new features and improved software testing and issue resolution. This driver provides the same functionality, except as listed below, as the existing Honeywell Mercury protocol driver.


Note
  • Mercury devices already configured in ACM will continue to work using the existing protocol driver, but should be converted to the new protocol driver by the end of year 2020.
  • The existing Mercury protocol driver will be deprecated at the end of the year 2020 and will no longer be included in the ACM install. 
  • If you have objects configured with the previous version of the Honeywell Mercury (ACM 8.0 and earlier) AUTOSOL will provide assistance and a method for converting existing ACM devices to the new protocol driver.  Contact your AUTOSOL Sales Representative or AUTOSOL Customer Support when ready.
  • AUTOSOL suggests that testing is done with the new protocol driver using devices in your system to ensure correct operation.
  • New Honeywell Mercury devices being added to an existing system should be added using this new protocol module.
  • A new Call-in Schedule object is part of the new protocol module. Call-in Schedule objects created with existing protocol module are not compatible with new protocol module devices.

New Features and Changes

  • Support for EC350 and ERX350 devices, both real time and historical data.
  • Support for 5 audit trails with 20 items on 350 series devices.
  • Uses new history, alarm, and event upload commands for faster uploads on 350 series devices.
  • Support for Secure Sign-on on 350 series devices².
  • Support for item addresses up to 9999.
  • Support for up to 20 audit fields on non-350 series devices.
  • Support for Advanced Meter Configuration object in addition to pre-defined meter configuration properties read from the RTU.
  • Support for reading Gas Quality meter configuration values.
  • Option to do EFM upload at the end of a user initiated Demand Poll.
  • Option to always request only 'New' events using RE command.
  • Reading and writing item authorization is no longer supported.
  • Changing device's access code is no longer supported.
  • Audit upload using RR command is no longer supported.
  • Units file unitmap.txt is no longer supported.
  • Shut down command ES is no longer supported.
  • Changing site name on device is no longer supported.
  • Currently, reading items directly from a CloudLink modem is not implemented³.

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The terms ERX350 and ER350 both refer to the same Honeywell device.

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Secure sign-on functionality is not available in the first release of the new protocol module. This functionality will be added and an update released when correct authorization is obtained from Honeywell.

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