ALTEC - DC220 Temperature Differential Controller

Coding

①②.Output 1 & Output 2

0	No output
R	Relay, (NO, 3A/250 VAC)
L	Logic, 20 V/10 mA ,drive solid state relay(SSR)
T	Triac, drive SCR
D	Analog output (0-10 mA, 4-20 mA, 0-20 mA, 0-5V, 0-10 V)

④.Communications

③. Alarm 1

0	No alarm output
R	Relay, (NO, 3A/250 VAC)

⑤.Options

0	None

Panel Description

SN	Item	Function Description
	PV display	Indicates the Process Value and parameters
	SV display	Indicates the Setpoint, manual manipulation output, parameter values, alarms code
	OP1	Output 1 indicator (green)
	OP2	Output 2 indicator (green)
	COM	Communication indicator (red)
	MAN	Manual operating mode indicator (red)
	AL1	Alarm 1 indicator (red)
	PAR	Parameter setting key
	A/M	Auto/Manual key
		Raise key
		Lower key

Dimensions & Mounting

Wiring

Specifications

Input	Thermocouple Types: J, K, E, R, S, T, B, N RTD: Pt100, Cu50
Analog Input (DC mA, DC V)	0-20 mA 4-20 mA -10.0-50 mV 0-10 V
Output	Relay, max.250 VAC, 3A Logic, to drive solid state relay(SSR) Analog Output, 0-10mA, 0-20mA, 4-20mA, 0-5V, 1-5V, 0-10V
Resolution	±0.2% FS ±1 digit
Sample Rate	125 ms
Alarms	Output: Relay, max.250 VAC, 3A High alarm Low alarm Deviation band alarm
Control Action	PID, PID self-tuning
Communication	RS-232 RS-485
Displays	Upper, 4 digits, high brightness green LED Lower, 4 digits, high brightness red LED LED indicators: OP1, OP2, COM, RAMP, MAN, AL1
Dimensions	9696100mm
Environmental	Ambient Temp: 0-50 °C Humidity: ≤ 85%
Power Supply	100-240 V AC 50/60 Hz , 24V AC/DC 50/60 Hz

Typical Applications

Fig.1 DC220 in the solution ratio mixing system

Fig.2 DC220 in the central air conditioner energy saving system