Rockwell Automation Publication 1444-UM001D-EN-P - June 2018 19
About the Dynamix 1444 Series Dynamic Measurement Module Chapter 1
System Components
The Dynamix 1444 series is a machinery protection system that is composed of
the following:
• At least one DYN module with four channels for vibration or related
measurements
• Two TTL speed inputs
•One relay output
Expansion modules then provide more output and input capacity that cannot
be accommodated within that DYN module. The use of expansion modules is
entirely optional and dependent on the specific application requirements.
For critical applications, the DYN modules support EtherNet/IP
communication, including Device Level Ring (DLR) configurations and
accept a wide range of (18...32 V, 24V nominal) redundant power inputs.
When expansion modules are used, the following apply:
• Any expansion modules are fitted to the right of their host DYN
module.
• Expansion modules provide more relays, 4…20 mA outputs, and
tachometer signal conditioning facilities.
• A local bus (ribbon cable) connects the main to its expansion modules,
providing:
– Current limited (fuse protected) power for the expansion modules
– Local communication (main with expansion)
– A dual tacho bus that distributes the TSCX modules TTL outputs
• The tacho bus can be extended to other DYN modules. Fit a bus cable
from the end of the expansion module group or from the left side of the
associated DYN module, as required.
The expansion relay module can initiate an alarm or place the machine in a safe
state if it detects that the DYN module is not responding correctly, or that the
DYN module is not responding in a timely manner.
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