Case color: Black.
Control output: Voltage output (for driving SSR).
Control mode *1: Standard or heating/cooling.
No. of auxiliary outputs: 2.
Detection of heater burnout, SSR failure, and heater overcurrent: -- E3S-AT21-M1J-C1 PDF.
No. of event inputs: --.
Transfer output *2: --.
Communi cations: RS-485.
Previous model: Thermocouple input, --;
Resistance thermometer input, --.
New 48 x 24-mm Basic Temperature,
Controller with Enhanced Functions and,
Performance E3S-AT21-M1J-C1 Improved Indication Accuracy,
and Preventive Maintenance Function.
Indication Accuracy.
Thermocouple input: ±0.3% of PV (previous models: ±0 E3S-AT21-M1J-C1 PDF. 5%),
Pt input: ±0.2% of PV (previous models: ±0.5%),
Analog input: ±0.2% FS (previous models: ±0.5%),
Models are available with screw terminal blocks or screwless,
clamp terminal blocks.
A PV/SV-status display function can be set to automatically alternate,

between displaying the status of the Temperature Controller (auto/
manual, RUN/STOP, and alarms) and the PV or SV E3S-AT21-M1J-C1 PDF E3S-AT21-M1J-C1 Manual.
Preventive maintenance for relays in the Temperature,
Controller using a Control Output ON/OFF Counter.
Switch the PV display between three colors.
Compatible with Support Software (CX-Thermo version 4 OMRON INSTRUCTION sheet. 2 or higher).
Eleven-segment displays.
Models are available with one or two alarm outputs. Name: Temperature Controller (See note 1.).
Power supply: 24 VDC.
No. of control points: 2.
Control output: Voltage output (for SSRs).
Auxiliary output: Transistor output: 2 pts (sinking).
Functions: Heater burnout alarm (See note 3 OMRON INSTRUCTION sheet. ), Heating or heat/cool,
control is selectable (See note 4.)Event input: 1 point per Unit.
Communications functions: RS-485.
Input type (See note 5.): Platinum resistance thermometer.
New DIN Track Mounting Temperature.
Controller.
Two channels of temperature control available despite width of,
only 22 OMRON INSTRUCTION sheet. 5 mm.
The Temperature Controller itself can be replaced without,,
changing terminal wiring E3S-AT21-M1J-C1 INSTRUCTION sheet.
Use in combination with a compact Setting Display Unit to,
reduce communications programming requirements.
Front-panel LED indicators for easy operation monitoring.
Power supply and communicatiions wiring not required between,
Units when mounted side-by-side E3S-AT21-M1J-C1 Manual.
CompoWay/F communications protocol supported.
UL, CSA, and CE Marking compliance.