ALTEC - DC220 Temperature Differential Controller
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Products > Temperature Differential Controllers > DC220

 

Coding

Panel Description

Dimensions & Mounting

Wiring

Specifications

Typical Applications

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

0
None
232
RS232, 3 wire, comms distance: 15 m
485
RS485, 2 wire, comms distance: 1.2 Km

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
96*96*100mm
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


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