Chromalox CN2110 manual Off

CN 2110 Temperature Controller

Configuration Menus

continued

Menu	Adjustable	Factory	Security
Code Function	Range	Default	Level
Cycle Time	.1 to 60.0 Sec.	Output R1,	B
The time for the output to		R20 = 30
complete ON to OFF to ON		sec.
cycle. Used only with		T1, T5, T10
proportional control. A fast
cycle time provides better		DC = 1 sec.
control, but can cause
premature wear to contactor or
other power switching devices.
Magnetic contactors should not
be switched at less than a 30
second cycle time. This menu is
active when the dip switch is
set to “PI”.
On/Off Dead Band	1 to 100 °F or °C	5 Foc	B

The range above/below set point in which no control action takes place. Determines at what temperature the output switches ON and OFF. For a 5°F dead band, 2.5°F is above and below the set point. This menu is active when the dip switch is set to “ONOF”.

Alarm Type	Off, Hi or Lo		OFF	B
Select high or low alarm.
Alarm Set Point	Sensor Range		Span High	B
Temperature level that will	F or	C
	°	°
actuate the alarm.
Alarm Dead Band	0 to 100 °F or °C		5	B
Difference of temperature from
alarm set point before an active
alarm resets.
Set Point Lower Limit	Sensor Range		Span Low	B
Lower limit to which set point	F or	C
	°	°

may be set without security code access.

Set Point Upper Limit

Upper limit to which set point may be set without security code access. This prevents an operator from setting the set point temperature to a level which would damage equipment or process.

Sensor Range	Span High	B
°F or °C

Output Limit 0 to 100% 100 B

Limits the percentage of output that can be applied in proportional control.

For calibration menus (CoFF, dFLt, & CALS), see Section 7–Calibration

Section 4–Adjusting Set Point and Configuration 15 CN 2110