
Watlow EZ-ZONE
®
RMC Module • 151 • Chapter 7 Features
7
Chapter 7: Features
Saving and Restoring User Settings .........................153
Tuning the PID Parameters ...............................153
Autotuning with TRU-TUNE+
® .......................................154
Inputs .............................................155
Calibration Offset ........................................155
Calibration .............................................155
Filter Time Constant ......................................156
Sensor Selection .........................................156
Sensor Backup ..........................................156
Set Point Low Limit and High Limit ..........................156
Scale High and Scale Low .................................156
Range High and Range Low ................................157
Receiving a Remote Set Point ..............................157
Ten Point Linearization ....................................157
Outputs ............................................157
NO-ARC Relay ..........................................157
Retransmitting a Process Value or Set Point ...................158
Cool Output Curve .......................................158
Control Methods ......................................158
Output Configuration .....................................158
Auto (closed loop) and Manual (open loop) Control .............158
On-Off Control ..........................................159
Proportional (P) Control ...................................160
Proportional plus Integral (PI) Control ........................160
Proportional, Integral and Derivative (PID) Control ..............160
Dead Band .............................................160
Variable Time Base .......................................161
Single Set Point Ramping ..................................161
Cascade Control .........................................162
Compressor Control ......................................162
Differential Control .......................................162
Ratio Control ...........................................163
Motorized Valve Control ...................................163
Alarms .............................................163
Process and Deviation Alarms ..............................163
Alarm Set Points .........................................163
Alarm Hysteresis ........................................163
Alarm Latching ..........................................164
Alarm Silencing .........................................164
Alarm Blocking ..........................................164
Resetting a Tripped Limit ................................164
Current Sensing ......................................165
Open Loop Detection ...................................165
Programming the EZ Key/s ...............................165
Using Password Security ................................166
Modbus - Using Programmable Memory Blocks ................167
Kommentare zu diesen Handbüchern