Allen-Bradley micrologix 1500 Reference Manual

Publication 1762-RM001C-EN-P
19-4 Process Control Instruction
Input Parameters
The table below shows the input parameter addresses, data formats, and
types of user program access. See the indicated pages for descriptions of
each parameter.
Setpoint (SPS)
The SPS (Setpoint) is the desired control point of the process variable.
Process Variable (PV)
The PV (Process Variable) is the analog input variable.
Input Parameter Descriptions Address Data Format Range Type User
Program
Access
For More
Information
SPS - Setpoint PD10:0.SPS word (INT)
0 to 16383
(1)
control read/write 19-4
PV - Process Variable user defined word (INT) 0 to 16383 control read/write 19-4
MAXS - Setpoint Maximum PD10:0.MAXS word (INT) -32,768 to +32,767 control read/write 19-5
MINS - Setpoint Minimum PD10:0.MINS word (INT) -32,768 to +32,767 control read/write 19-5
OSP - Old Setpoint Value PD10:0.OSP word (INT) -32,768 to +32,767 status read only 19-5
OL - Output Limit PD10:0/OL binary 1 = enabled
0 = disabled
control read/write 19-6
CVH - Control Variable High
Limit
PD10:0.CVH word (INT) 0 to 100% control read/write 19-6
CVL - Control Variable Low Limit PD10:0.CVL word (INT) 0 to 100% control read/write 19-6
(1) The range listed in the table is for when scaling is not enabled. With scaling, the range is from minimum scaled (MINS) to maximum scaled (MAXS).
Input Parameter
Descriptions
Address Data Format Range Type User Program
Access
SPS - Setpoint PD10:0.SPS word (INT)
0 to 16383
(1)
(1) The range listed in the table is for when scaling is not enabled. With scaling, the range is from minimum scaled
(MINS) to maximum scaled (MAXS).
control read/write
Input Parameter
Descriptions
Address Data Format Range Type User Program
Access
PV - Process
Variable
user defined word (INT) 0 to 16383 control read/write

Allen-Bradley micrologix 1500 Specifications

General

Brand	Allen-Bradley
Model	micrologix 1500
Category	Controller
Language	English