Function Blocks
RACK Function Block
308 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
RACK Function Block
Description
The RACK label stands for IO Rack Monitor.
This block is part of the
Alarms/Monitor category.
Function
The rack monitor block is a repository for controller/expansion rack I/O module information, including
diagnostics.
The Rack function block provides Read/Write access to I/O Rack values. This block is always stored in the
reserved block area (96 thru 100), are always in the configuration whether visible in the FBD or not. The
total number is dependent on the controller type.
Each Rack monitor block has a unique identification number that is fixed for all configurations. The Rack
number appears on the function block. The Number is specified as:
1 = Rack #1 (Main Rack)
2 = Rack #2 (Expansion Rack)
3 = Rack #3 (Expansion Rack)
4 = Rack #4 (Expansion Rack)
5 = Rack #5 (Expansion Rack)
Right Click on Block icon to Monitor Block diagnostics.
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