Omron E5CN User Manual

237
SECTION 6
CALIBRATION
This section describes how the user can calibrate the E5CN and E5CN-U Digital Temperature Controllers.
6-1 Parameter Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
6-2 User Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
6-2-1 Calibrating Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
6-2-2 Registering Calibration Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
6-3 Thermocouple Calibration (Thermocouple/Resistance Thermometer Input). 240
6-3-1 Preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
6-4 Platinum Resistance Thermometer Calibration
(Thermocouple/Resistance Thermometer Input) . . . . . . . . . . . . . . . . . . . . . . 244
6-5 Analog Input Calibration (Thermocouple/Resistance Thermometer Input) . . 245
6-6 Calibrating Analog Input (Analog Input) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
6-6-1 Calibrating a Current Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246
6-6-2 Calibrating a Voltage Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
6-7 Checking Indication Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
6-7-1 Thermocouple or Infrared Temperature Sensor . . . . . . . . . . . . . . . . 249
6-7-2 Platinum Resistance Thermometer . . . . . . . . . . . . . . . . . . . . . . . . . . 250
6-7-3 Analog Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

Omron E5CN Specifications

General

Communication	RS-485 (optional)
Mounting	Panel Mount
Control Method	ON/OFF
Input Type	Thermocouple, RTD
Supply Voltage	100 to 240 VAC
Output Type	Relay, Voltage (for driving SSR), Current
Display Type	7-segment LED
Size	48 x 48 mm
Control Output	Relay, Voltage (for driving SSR), Current
Alarm Output	1 or 2 outputs
Dimensions	48 x 48 x 78 mm
Ambient Operating Temperature	-10 to 55°C
Protection Rating	IP66