Rockwell Automation 1771-TCM,D17716.5.108 TEMPERATURE CONTROL MOD User Manual
Page 37
Configuring the Module
Chapter 4
4-4
Word Description
Bits
3
0
Always = 0.
1
Control Action
•
0 = Control action is Ċ E = SP-PV
•
1 = Control action is Ċ E = PV-SP
2-3
Always = 00.
4
CV Ramping Ċ Selects whether to use a fixed CV ramp rate (set in word 4) for PV to reach the set point.
•
0 = Disable CV ramping.
•
1 = Enable CV ramping.
5-6
Cooling Method
bit 6 bit 5
selection
•
0 0 = No cooling.
•
0 1 = Air cooling.
•
1 0 = Oil cooling.
•
1 1 = Water cooling.
7
Alarm Enable
•
0 = Suppress all alarms.
•
1 = Report all alarm conditions.
8-9
AutoĆTuning Gains Ċ Selects gains to use during autoĆtuning.
bit 9 bit 8
selection
•
0 0 = Low gains.
•
0 1 = Medium gains.
•
1 0 = High gains.
•
1 1 = Not used (illegal value).
10
Do/Don't Use AutoĆTuning Gains Ċ Selects gains to use after autoĆtuning.
•
0 = Use the gains derived from autoĆtuning.
•
1 = Use the gains blockĆtransferred to the module before autoĆtuning.
11-15 Always = 0 0000.
4
0-15
CV Ramp Rate Ċ If enabled by bit 4 of word 2, the maximum rate (degrees/minute) at which the CV is allowed to increase as the
PV reaches the setĆpoint. (0.00 thru 99.99)
5
0-15
Maximum PV in Engineering Units Ċ (0 thru 999.9
)
6
0-15
Minimum PV in Engineering Units Ċ (0 thru 999.9
)
7
0-15
High CV Limit Ċ The maximum CV percentage allowable. (-100.00 thru +100.00)
8
0-15
Low CV Limit Ċ The minimum CV percentage allowable. (-100.00 thru +100.00)
9
0-15
Forced CV Value on TC Break Ċ The percentage value forced into the CV when a broken TC is detected. (-100.00 thru +100.00)
10
0-15
Forced CV Value on Thermal RunĆaway Ċ The percentage value forced into the CV when thermal runĆaway is detected.
(-100.00 thru +100.00)
11
0-15
Heat Minimum Cycle Time Ċ The minimum cycle time in seconds for which the heat bit is on. (0.00 thru 100.00)
12
0-15
Heat Maximum Cycle Time Ċ The maximum cycle time in seconds for which the heat bit is on. (0.00 thru 100.00)