PID Control Smart DDC Direct Digital Controller , RS485 Network control
Quick Detail:
24VAC±10 %
Network Control(RS485,Modbus Protocol)
PID Control
Description:
HL/1-4884 is an intellectual building auto-control system (BAS) controller, which has 8 analog inputs, 8 digita
l inputs, as well as 4 analog outputs and 4 digital outputs. It has both PID automatic adjustment and
enforcement modes, to realize field control and remote network control.Control objects, input and output
signal type are optional.
Applications:
Network Control(RS485,Modbus Protocol)
PID Control
Programmable(7 days 4 periods)
Enforced Output
Alarm
I/O Correlative control
I/O Type Setting
Specifications:
Power:24VAC±10 %,50Hz/60Hz,
Consumption (max.): 5W
Analog Input(AI):
Input Voltage: 0~5V;1~5V;
Input Current: 0-20mA;4~20mA
Sensor Input: Temperature sensor(3K/10K NTC)
Digital signal Input(DI): modulating input(NO/NC Optional)
Analog signal Output:
Voltage Output: Output current(max) 5mA,
Accuracy±0.04V
0~10V2~10V10~0V10~2V1~5V0~5V
Current Output: on load resistance(max) 600ohm,
Accuracy±0.08mA
0~20mA4~20mA20~0mA20~4mA
Digital Output:
Changeable contact(Manually enforced optional),
contact capacity AC250V 3A(Ohmic load).
Network Setting Network Address: 31(max)
Basic function
- Network control (RS485/Modbus,Tcp/Modbus protocol)
- Network expansion can add ambient devices by local bus.
- Input and output modes setting
- Configurable fee parameter
- programmable(2 7days 2 periods and 2 7 days 6 periods)
- PID control
- Configurable logical operation
- Input,intermediate variable,output relevant control
- Switching volume alarm set
- Easy and simple configuration software, Items can be copy breezily