ABB COMMANDER 1900 Series Programming Manual page 31

4.1 Set Points
Information.
• Two local set points – Local and Dual.
• Remote set point facility – with Ratio and Bias.
• Remote set point tracking options – for bumpless Remote-to-Local set point transfers.
• Cascade control on second controller with optional output tracking.
• Adjustable high and low limits for all set point types.
• Set point tracking for bumpless Manual-to-Auto transfers.
Digita y Se ectab e Set Points
Set Point 1
Set Point 2
Set Point 3
Programmable Set Point Types
Dual
Remote Ratio
Cascade* Ratio
Controller 2 only
100
Set
Point 50
0
Adjustable
Bias Limits
Bias Limits
Ratio Setting
(0.010 to 9.999)
SP = 75
1.5
1.0 SP = 50
0.1
SP = 5
Fig. 4.2 Set Point Types
4 CONTROL CONFIGURATION LEVEL...
Adjustable
Local Set Point Local Set Point
Second Set Point
Bias Setting
(within Eng. range)
SP = 85
+10
–20
SP = 30
SP = 10
+5
* Set Point cannot be adjusted outside the limits set
Control Set Point
Limits
(within Eng. range)
High Limit*
90
10
Low Limit*
29