Specifications, Control Adjustments | Chromalox CN2110 manual

Section 8—Specifications

Control Modes	ON/OFF; PI—Proportional with integral
Control Adjustments
Proportional Band	1 to sensor span maximum
Automatic Reset	0.0 to 100.0 repeats/minute
Cycle Time	0.1 to 60.0 seconds
On/Off Deadband	1° to 100°F or °C
Set Point Upper Limit	sensor range °F or °C
Set Point Lower Limit	sensor range °F or °C
Output Limit	0 to 100%
Alarm Adjustments
Type	Absolute High or Low
Set Point	Sensor range °F or °C
Alarm Dead Band	0° to 100°F or °C
Control/Alarm Outputs
Relay (R1)	1 Amp Form A, 120/240VAC
Relay (R20)	Form A, 120/240VAC resistive loads at 30 sec. cycle time
	20 Amps, 500,000 Operations
	15 Amps, 1 Million Operations
	10 Amps, 5 Million Operations
	5 Amps, 5 Million Operations
Solid State Relay Drive (DC)	24VDC at 40mA
Solid State Relay (T1)	1A Triac, up to 240VAC
Solid State Relay (T5)	5A, up to 240VAC at 40°C
Solid State Relay (T10)	10A, up to 240VAC at 40°C
Alarm	Form C, Relay 5 Amps at 120VAC,
	2.5A at 240VAC
Sensor Input	Switch selectable; J,K Thermocouple; RTD
Input Update Rate	Four samples per second

Range °C -73 to 760°C -73 to 1316°C -128 to 538°C

Accuracy at 77°F ambient 0.2% Span +/-1 least significant digit 0.2% Span +/-1 least significant digit 0.2% Span +/-1 least significant digit

J and K TC	+/-1°F per 10°F change in ambient temperature
RTD	+/-0.5°F per 10°F change in ambient temperature
Open Sensor and
Out-of-Range Conditions	Displays “SEnS”, Control output 0%
Instrument Power	90 to 260VAC Less than 10 VA
Operating Environment	0° to 65°C (32° to 150°F)
Dimensions
Overall	4.0 x 4.0 x 4.0 inches (102 mm)
Depth Behind Display	3.6 inches (92 mm)
Front Panel Projection	0.4 inches (10 mm)
Panel Cutout	3.6 x 3.6 inches (92 mm x 92 mm)
Enclosure Material	High temp ABS plastic rated for 0° to 175°F
Front Panel	NEMA 4X construction, requires surface finish not rougher
	than 0.000032 inch
Influence of Line Voltage Variation ....	+/-0.1% of sensor span per 10% change in
	nominal line voltage
Noise Rejection	Less than 2°F with 240 VAC, 60 Hz applied from sensor
Common Mode Noise	Less than 2°F with 240 VAC, 60 Hz applied from sensor
	input to earth ground
Series Mode Noise	Less than 2°F with 100mV, peak to peak series mode noise
RFI	Typically less than 0.5% of sensor span at distance
	of 1 meter (3.1 feet) from a transmitter of 4W at 464MHz
Sensor Leadwire Effect	+1°F for 1000 feet of 18 AWG thermocouple extension wire
J Thermocouple	+1°F for 1000 feet of 18 AWG thermocouple extension wire
K Thermocouple	+2°F for 1000 feet of 18 AWG thermocouple extension wire
RTD	+/-0.1% of sensor span per 20Ω balanced leadwire resistance
	(20Ω is the total loop resistance)

Section 8–Specifications

CN 2110