1766-RM001A-EN-P MicroLogix 1400 Programmable Controllers ...

Process Control Instruction 339Tuning ParametersThe table below shows the tuning parameter addresses, data formats, andtypes of user program access. See the indicated pages for descriptions ofeach parameter.Table 1:Tuning ParameterDescriptionsAddress Data Format Range Type UserProgramAccessKC - Controller Gain - K c PD10:0.KC word (INT) 0…32,767 control read/write 340TI - Reset Term - T i PD10:0.Ti word (INT) 0…32,767 control read/write 340TD - Rate Term - T d PD 10:0.TD word (INT) 0…32,767 control read/write 341TM - Time Mode PD10:0.TM binary 0 or 1 control read/write 342LUT - Loop Update Time PD10:0.LUT word (INT) 1…1024 control read/write 342ZCD - Zero Crossing Deadband PD10:0.ZCD word (INT) 0…32,767 control read/write 343FF - Feed Forward Bias PD10:0.FF word (INT) -16,383…+16,383 control read/write 343SE - Scaled Error PD10:0.SE word (INT) -32,768…+32,767 status read only 343AM - Automatic/Manual PD10:0/AM binary (bit) 0 or 1 control read/write 344CM - Control Mode PD10:0/CM binary (bit) 0 or 1 control read/write 344DB - PV in Deadband PD10:0/DB binary (bit) 0 or 1 status read/write 344RG - PLC 5 Gain Range PD10:0/RG binary (bit) 0 or 1 control read/write 345SC - Setpoint Scaling PD10:0/SC binary (bit) 0 or 1 control read/write 345TF - Loop Update Too Fast PD10:0/TF binary (bit) 0 or 1 status read/write 346DA - Derivative Action Bit PD10:0/DA binary (bit) 0 or 1 control read/write 346UL - CV Upper Limit Alarm PD10:0/UL binary (bit) 0 or 1 status read/write 346LL - CV Lower Limit Alarm PD10:0/LL binary (bit) 0 or 1 status read/write 347SP - Setpoint Out of Range PD10:0/SP binary (bit) 0 or 1 status read/write 347PV - PV Out of Range PD10:0/PV binary (bit) 0 or 1 status read/write 347DN - Done PD10:0/DN binary (bit) 0 or 1 status read only 347EN - Enable PD10:0/EN binary (bit) 0 or 1 status read only 348IS - Integral Sum PD10:0.IS long word(32-bit INT)AD - Altered Derivative Term PD10:0.AD long word(32-bit INT)-2,147,483,648…2,147,483,647-2,147,483,648…2,147,483,647status read/write 348status read only 348For MoreInformationPublication 1766-RM001A-EN-P - October 2008