Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 155)

Publication 900-UM007D-EN-E - January 2011
Parameter Adjustments & Application Considerations 4-19
Multi-SP
Selecting Multi-SP by Event Input
Multi-SP by event input is a function for setting the value of set points 0…3 in
advance, and selecting these set points by a combination of Event Inputs 1 and
2.
Multi-SP selection from external (event) inputs can be used when the proper
option event input unit is mounted in the Bulletin 900 and the Number of
Multi-SP Uses parameter is set to 1 or 2 (refer to Tables 4.G and 4.H).
Note: In order for the controller to begin the multi-set point function, the
physical input must be ON for 50 ms minimum.
Selecting Multi-SP by Keypad Operation
You can select Set Points 0…3 from the controller keypad by properly
configuring the value of the Multi-SP Uses parameter. in the adjustment
function group.To change set points from the controller keypad, the multi-SP
conditions are as follows.
When the option event input unit is:
• When the option event input unit is NOT mounted in the Bulletin 900,
and Multi-SP is configured to ON.
• When the option event input unit is mounted in the Bulletin 900, the
Number of Multi-SP Uses parameter is configured to 0 and the
Multi-SP parameter is configured to ON.
Table 4.G — When Number of Multi-SP Uses Parameter is Set to 1
Event Input 1 Selected Set Point
OFF Use Set Point 0
ON Use Set Point 1
Table 4.H —When Number of Multi-SP Uses Parameter is Set to 2
Event Input 1 Event Input 2 Selected Set Point
OFF OFF Use Set Point 0
ON OFF Use Set Point 1
OFF ON Use Set Point 2
ON ON Use Set Point 3