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: --.
No. of event inputs: 2.
Transfer output *2: --.
Communi cations: --.
Previous model: Thermocouple input, --;
Resistance thermometer input, -- H3RN-21-B DC12.
New 48 x 24-mm Basic Temperature,
Controller with Enhanced Functions and,
Performance H3RN-21-B DC12 Improved Indication Accuracy,
and Preventive Maintenance Function.
Indication Accuracy.
Thermocouple input: ±0.3% of PV (previous models: ±0.5%),
Pt input: ±0.2% of PV (previous models: ±0.5%),
Analog input: ±0 H3RN-21-B DC12. 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.
Preventive maintenance for relays in the Temperature,
Controller using a Control Output ON/OFF Counter H3RN-21-B DC12.
Switch the PV display between three colors .
Compatible with Support Software (CX-Thermo version 4.2 or higher).
Eleven-segment displays.
Models are available with one or two alarm outputs. Appearance: Round/Projection type LED lighting,
(without Voltage Reduction Unit)A22L-T.
Output: SPST-NO + SPST-NC.
Lighting: LED.
Operating voltage: 12 VAC/VDC.
Operation: Alternate operation (self-holding).
Illumination color: R (red); Y (yellow); G (green); W (white); A (blue).
Install in 22-dia. or 25-dia. Panel Cutout.
(When Using a Ringg) H3RN-21-B DC12.
Lever for easily mounting and removing the Switch Unit .
Increase wiring efficiency with three-row mounting of Switch Blocks.
Finger protection mechanism on Switch Unit provided as a standard feature.
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mounteed using either open-type (fork-type) or closed-type H3RN-21-B DC12.
(round-type) crimp terminals.
IP65 oil resistance (non-lighted models).
IP65 (lighted models).
H3RN-21-B DC12 Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=H3RN-21-B DC12&select=5