Advanced M52 Microprocessor User's Guide
ADVANCED M52UMCT2019 COLOR
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Co-Work™
Co-Work™ is a six function networking feature that is built into every Advanced M52
controller. Through the use of a three wire cable you can link up to 16 units with up to 32
compressor circuits on one local area network. What this does is it makes all units in the
network operate as one system which improves the system performance, reliability and
manageability.
Refer to page 69 for the wiring details.
Co-Work™ performs the following six functions:
Two Levels of Duty Sharing.
The first level maintains the required number of duty units in the network and automatically
sequences duty and redundant units on to even out run time. This function is time based and is
factory set for 24hrs. This value is adjustable.
The second level of duty sharing automatically initiates lead/lag sequence of the components
among the duty units to equalize run time.
Data Synchronization.
Unit operation data such as set points, time schedule, alarm status (see Setting Summary page
for list of synchronized data) is synchronized among units under the same Co-Work™ network.
Sequential Load Activation.
Co-Work™ coordinates the activation and deactivation of components in a unit and within a
group of units to minimize in-rush current.
Control Redundancy
Co-Work™ allows multiple master units to coexist on the same network. In case any master
requires service the remaining units will automatically take over control of the whole system.
In the event of a controller failure control will be transferred automatically to the other masters
minimizing loss of system control and down time.
Expansion of Control Steps
Co-Work™ improves the system performance by utilizing the limited number of control steps
in individual units and converts them to a maximum of 16 steps. This provides more precise
control and limits on/off cycles by matching capacity to load.
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