Omron E5AC User Manual

20
E5@C Digital Temperature Controllers User’s Manual (H174)
4-8 Using ON/OFF Control (Not Supported for Position-proportional Models.) .................... 4-21
4-8-1 ON/OFF Control........................................................................................................................ 4-21
4-8-2 Settings ..................................................................................................................................... 4-22
4-9 Determining PID Constants(AT, ST, Manual Setup) ........................................................... 4-24
4-9-1 AT (Auto-tuning)........................................................................................................................ 4-24
4-9-2 ST (Self-tuning) (Not Supported for Position-proportional Models.)..........................................4-27
4-9-3 RT (Robust Tuning) (Used for AT or ST.) ................................................................................4-28
4-9-4 Manual Setup............................................................................................................................4-30
4-10 Alarm Outputs........................................................................................................................ 4-32
4-10-1 Alarm Types..............................................................................................................................4-32
4-10-2 Alarm Values............................................................................................................................. 4-35
4-11 Alarm Hysteresis ................................................................................................................... 4-38
4-11-1 Standby Sequence.................................................................................................................... 4-38
4-11-2 Alarm Latch...............................................................................................................................4-39
4-12 Using Heater Burnout (HB) and Heater Short (HS) Alarms
(Not Supported for Position-proportional Models.)............................................................ 4-40
4-12-1 HB Alarm...................................................................................................................................4-40
4-12-2 HS Alarm...................................................................................................................................4-42
4-12-3 Installing Current Transformers (CT) ........................................................................................ 4-44
4-12-4 Calculating Detection Current Values ....................................................................................... 4-46
4-12-5 Application Examples................................................................................................................4-46
4-13 Customizing the PV/SP Display ........................................................................................... 4-50
4-13-1 PV/SP Display Selections ......................................................................................................... 4-50
Section 5 Advanced Operations
5-1 Shifting Input Values............................................................................................................... 5-3
5-2 Setting Scaling Upper and Lower Limits for Analog Inputs ................................................ 5-5
5-3 Executing Heating/Cooling Control (Not Supported for Position-proportional Models.) .... 5-7
5-3-1 Heating/Cooling Control.............................................................................................................. 5-7
5-4 Using Event Inputs ................................................................................................................ 5-11
5-4-1 Event Input Settings.................................................................................................................. 5-11
5-4-2 How to Use the Multi-SP Function ............................................................................................ 5-11
5-4-3 Operation Commands Other than Multi-SP .............................................................................. 5-12
5-5 Setting the SP Upper and Lower Limit Values.................................................................... 5-15
5-5-1 Set Point Limiter........................................................................................................................5-15
5-5-2 Setting.......................................................................................................................................5-16
5-6 Using the SP Ramp Function to Limit the SP Change Rate .............................................. 5-17
5-6-1 SP Ramp................................................................................................................................... 5-17
5-7 Using the Key Protect Level ................................................................................................. 5-19
5-7-1 Protection..................................................................................................................................5-19
5-7-2 Entering the Password to Move to the Protect Level ...............................................................5-20
5-8 Displaying Only Parameters That Have Been Changed..................................................... 5-22
5-8-1 Displaying Changed Parameters ..............................................................................................5-22
5-9 OR Output of Alarms............................................................................................................. 5-24
5-9-1 Integrated Alarm........................................................................................................................5-24
5-10 Alarm Delays.......................................................................................................................... 5-26
5-10-1 Alarm Delays............................................................................................................................. 5-26
5-11 Loop Burnout Alarm (Not Supported for Position-proportional Models.)........................ 5-28
5-11-1 Loop Burnout Alarm (LBA)........................................................................................................ 5-28
5-12 Performing Manual Control .................................................................................................. 5-32
5-12-1 Manual MV ................................................................................................................................5-32

Omron E5AC Specifications

General

Mounting Type	Panel Mount
Sampling Period	50 ms
Protection structure	IP66 (front panel)
Control Method	ON/OFF
Input Type	Thermocouple, RTD
Supply Voltage	100 to 240 VAC
Output Type	Relay, Voltage, Current
Control Output	Relay, voltage, current
Dimensions	96 x 96 mm
Display Type	LCD
Number of Displays	2
Alarm Output	Relay
Communication	RS-485
Ambient Operating Temperature	-10 to 55°C
Ambient Operating Humidity	25% to 85% RH