Chapter 4: E2 Controller
4.6 Communication with the Controller
It is possible for the E2 controller to communicate in multiple ways. The controller may be set up to use a pLAN network to link with additional E2 controllers to create a workgroup consisting of multiple A/C units (see Section 4.6.1).
Using an expansion card, the unit may also be connected to a BMS for monitoring and control of data points using a variety of different serial communication protocols (see Section 4.7).
Figure
4.6.1 Workgroup Setup
The controller may be networked with a group of A/C unit controllers to manage their outputs as a system in an N+M (M = number of standby units) group. The controllers from up to seven additional A/C units may be tied to a lead controller. The number of units to be assigned as Active, Capacity Assist, or Standby duty is configured by the factory; however, you can configure this field with the help of Black Box Technical Support. A unit may also be designated as “Out of Service.”
The main screen of each unit in the workgroup will indicate that unit's duty assignment in the bottom field. If the controller is the group Lead, it will be indicated in the bottom field also.
Figure
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