Publication 1766-RM001A-EN-P - October 2008
Process Control Instruction
339
Tuning Parameters
The table below shows the tuning parameter addresses, data formats, and
types of user program access. See the indicated pages for descriptions of
each parameter.
Table 1:
Tuning Parameter
Descriptions
Address
Data Format Range
Type
User
Program
Access
For More
Information
KC - Controller Gain - K
c
PD10:0.KC
word (INT)
0…32,767
control
read/write
TI - Reset Term - T
i
PD10:0.Ti
word (INT)
0…32,767
control
read/write
TD - Rate Term - T
d
PD 10:0.TD
word (INT)
0…32,767
control
read/write
TM - Time Mode
PD10:0.TM
binary
0 or 1
control
read/write
LUT - Loop Update Time
PD10:0.LUT
word (INT)
1…1024
control
read/write
ZCD - Zero Crossing Deadband
PD10:0.ZCD
word (INT)
0…32,767
control
read/write
FF - Feed Forward Bias
PD10:0.FF
word (INT)
-16,383…+16,383
control
read/write
SE - Scaled Error
PD10:0.SE
word (INT)
-32,768…+32,767
status
read only
AM - Automatic/Manual
PD10:0/AM
binary (bit)
0 or 1
control
read/write
CM - Control Mode
PD10:0/CM
binary (bit)
0 or 1
control
read/write
DB - PV in Deadband
PD10:0/DB
binary (bit)
0 or 1
status
read/write
RG - PLC 5 Gain Range
PD10:0/RG
binary (bit)
0 or 1
control
read/write
SC - Setpoint Scaling
PD10:0/SC
binary (bit)
0 or 1
control
read/write
TF - Loop Update Too Fast
PD10:0/TF
binary (bit)
0 or 1
status
read/write
DA - Derivative Action Bit
PD10:0/DA
binary (bit)
0 or 1
control
read/write
UL - CV Upper Limit Alarm
PD10:0/UL
binary (bit)
0 or 1
status
read/write
LL - CV Lower Limit Alarm
PD10:0/LL
binary (bit)
0 or 1
status
read/write
SP - Setpoint Out of Range
PD10:0/SP
binary (bit)
0 or 1
status
read/write
PV - PV Out of Range
PD10:0/PV
binary (bit)
0 or 1
status
read/write
DN - Done
PD10:0/DN
binary (bit)
0 or 1
status
read only
EN - Enable
PD10:0/EN
binary (bit)
0 or 1
status
read only
IS - Integral Sum
PD10:0.IS
long word
(32-bit INT)
-2,147,483,648…2,1
47,483,647
status
read/write
AD - Altered Derivative Term
PD10:0.AD
long word
(32-bit INT)
-2,147,483,648…2,1
47,483,647
status
read only
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive