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Omron E5AZ User Manual

Omron E5AZ
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51
SECTION 4
Applications Operations
This section describes scaling, the SP ramp function, and other special functions that can be used to make the most of the
functionality of the E5AZ/E5EZ Digital Temperature Controllers.
4-1 Shifting Input Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
4-1-1 Shifting Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
4-1-2 How to Calculate Input Shift Values for a Two-point Shift . . . . . . . 53
4-1-3 One-point Shift Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4-1-4 Two-point Shift Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4-1-5 Example of Two-point Temperature Input Shift. . . . . . . . . . . . . . . . 55
4-2 Alarm Hysteresis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4-2-1 Standby Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4-2-2 Alarm Latch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4-2-3 Close in Alarm/Open in Alarm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4-2-4 Alarm Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4-3 Setting Scaling Upper and Lower Limits (for Analog Inputs) . . . . . . . . . . . . 59
4-3-1 Analog Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
4-4 Executing Heating/Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
4-4-1 Heating/Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
4-4-2 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
4-5 Using Event Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4-5-1 Event Input Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4-5-2 How to Use the Multi-SP Function. . . . . . . . . . . . . . . . . . . . . . . . . . 63
4-5-3 Settings by Key Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4-5-4 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4-5-5 Executing Run/Stop Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
4-6 Setting the SP Upper- and Lower-Limit Values . . . . . . . . . . . . . . . . . . . . . . . 67
4-6-1 Set Point Limiter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
4-6-2 Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
4-7 Using the SP Ramp Function (to Limit the SP Change Rate) . . . . . . . . . . . . 69
4-7-1 SP Ramp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
4-8 Moving to the Advanced Function Setting Level . . . . . . . . . . . . . . . . . . . . . . 71
4-9 Using the Key Protect Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4-9-1 Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Table of Contents

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Omron E5AZ Specifications

General IconGeneral
BrandOmron
ModelE5AZ
CategoryTemperature Controller
LanguageEnglish

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