Product Description:
9988 super controller provides single-channel input, it can receive RS485 signal, current signal, frequency signal, through the acquisition of the above signals, it can complete the display control of flow, PH/ORP, conductivity, pressure, temperature, liquid level, salinity, dissolved oxygen, batch processing and other output 4-20mA signal sensors.
It features a large (75x47mm) backlit display, with a bar graph at the top that allows you to observe the dynamics of the gauges clearly.
Features:
1: Accurate measurement of various parameters of fluids.
2: The output supports RS485 MODBUS RTU communication protocol.
3: The output supports one way output of 4-20mA signal.
4: The output supports two dry contact relays, which can achieve fast and accurate response
5: The input supports one way mA singal and one way RS485 MODBUS RTU singal, which can be compatible with sensors with mA current output or RS485 MODBUS RTU communication protocol;
6: Power input with anti-reverse protection
Applications:
1: Wastewater treatment
2: Pure water preparation system
3: Chemical Measurement
4: Cooling tower
5: Reverse osmosis system
6: Aquarium life support system
7: Central dosing system
| Channel input |
|
Single channel sensor |
| Signal input type |
Digital signal |
RS485 MODBUS RTU communication protocol signal |
| Frequency signal |
Range, 1-1500Hz |
| Current signal |
Range, 4-20mA |
| Measurement parameters |
|
Flow, PH/ORP, conductivity, pressure, temperature, liquid level, salinity, dissolved oxygen, batch processing and other output 4-20mA signal sensors. |
| Shell material |
|
PBT |
| Display Screen |
|
Shatterproof glass |
| Keyboard |
|
4 keys, membrane keys, injection molded silicone rubber seal |
| Display |
|
LCD display, automatic backlight |
| Refresh rate |
|
1 second |
| Indication |
|
Bar graph , open collector output, LED indicators for relay and alarm/error indication |
| Mounting |
Cabinet mounting |
Mounting hole opening size 92x92mm,appearance size of the instrument 99x99mm |
| |
On-site mounting |
Equipped with corresponding connector to combine with sensor |
| |
Wall mounting |
Equipped with the corresponding installation box |
| Ambient temperature |
|
-10-70ºC |
| Storage temperature |
|
-15-85ºC |
| LCD operating temperature |
|
-10-70ºC |
| IP level |
|
Panel of cabinet-mounted version is IP65, the whole of On-site mounted version is IP65 |
| Terminal block |
|
Shrapnel Press Terminal 28-12AWG |
| Supply voltage |
|
12-24V DC ±10% voltage regulation (power input with anti-reverse connection protection) |
| Supply voltage of sensor |
|
12-24V DC ±10% voltage regulation |
| Open collector output |
|
50mA DC |
| Relay power |
|
30V DC 1A two groups |
| Maximum pulse rate |
400 pulses/min |
| Proportional pulse width |
0.1-3200S |
| PWM |
0.1-320S |
| Output current |
4-20mA, passive, full scale adjustable and reverse output |
| Zero point |
The factory setting is 4.0mA, and the user can fine-tune it at 3.8-5.0mA |
| Full point |
The factory setting is 20.0mA, and the user can fine-tune it at 19.0-21.0mA |
| Precision |
Maximum error value±32uA@25ºC@24V DC |
| Resolution |
6uA |
| Refresh rate |
100mS |
| Current terminal for receiving sensor |
4-20mA,the receiving terminal does not provide external voltage |
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