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Instrument, Instrumentation, Intelligent Instrument
1SWP-LED series instrumentsIntroduction |
SWP-LED series intelligent instrumentIt is a generation of intelligent instruments developed by our company based on years of manufacturing experience in digital instruments, extensive research on * products, and the characteristics of industrial field applications in China. |
SWP-LED series intelligent instrumentThe centralized use of multiple * technologies greatly improves the stability and reliability of operation. |
SWP-LED series intelligent instrumentThe appearance and structure have been greatly improved on the original basis, bringing greater convenience to users' installation and maintenance. |
SWP-LED series intelligent instrumentAs a detection and control product in industrial process automation systems, it has been widely used in industries such as national defense, steel, electricity, petrochemicals, machinery, pharmaceuticals, textiles, metallurgy, printing and dyeing. |
2、 Characteristics of SWP-LED series instruments |
1. By adopting higher integration IC chips, SMT surface mount technology, and circuit shielding technology, the instrument has excellent resistance and reliability, and can operate stably in electromagnetic interference environments. |
2. By using * input jumper settings, each instrument can achieve various division marks, standard signals, remote pressure signals, and millivolt signals through simple and quick parameter settings. |
3. By adopting a modular universal circuit structure, various functional transformations of the instrument can be achieved through simple module combinations, significantly enhancing its versatility and flexibility. |
4. Adopting a microcomputer controlled fully automatic digital calibration system, no potentiometer adjustment is required. |
5. The appearance of the instrument is beautiful and elegant, and there are various external structures and sizes. |
6. The whole machine and movement assembly adopt a snap in structure, which is very easy to maintain and disassemble. |
| 7. Power supply options: AC 220V, 50/60HZ, 90-265V switch mode power supply, or DC 24V power supply. |
8. It can be equipped with RS-232/RS-485 or RS-422 communication interfaces, making it convenient to connect with the upper computer to form a control system. |
3、 General Technical Parameters of SWP-LED Series Instruments |
Usage environment |
ambient temperature |
0～50℃ |
relative humidity |
≤ 85RH Avoid strong corrosive gases |
power supply voltage |
Conventional type AC220V+10-15%（50Hz±2Hz） |
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Special type AC90~260V - Switching power supply DC24V ± 2V - Switching Power Supply |
power waste |
≤ 6W (powered by AC220V linear power supply) |
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≤ 6W (powered by AC90-265V switching power supply) |
≤ 6W (powered by DC24V switching power supply) |
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input signal |
| Analog quantity |
Thermocouples: Standard thermocouples - B, S, K, E, J, T, WRe, etc |
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Resistance: Standard thermistor - Pt10, Pt100, Cu50, Cu100 and other remote pressure resistors, etc |
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Current: 0-10mA, 4-20mA, 0-20mA, etc. - Input resistance ≤ 250W |
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Voltage: 0-5V, 1-5V, mV, etc. - Input impedance ≥ 250KW |
| discrete signal |
Pulse signal: waveform - rectangular, sine or triangular wave |
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Radiance - greater than 4V (or as per user requirements) |
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Range -0-10KHz (or as per user requirements) |
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Contact signal: electrical contact input signal |
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output signal |
Analog output |
DC 0-10mA (load resistance ≤ 750W) |
DC 4-20mA (load resistance ≤ 500W) |
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DC 0-5V (load resistance ≥ 250KW) |
DC 1-5V (load resistance ≥ 250KW) |
switch output |
Relay control output - relay ON/OFF return differential. |
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AC220V/3A； DC24/6A (resistive load) |
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Controllable silicon control output - SCR (thyristor zero crossing trigger pulse) output, |
| 0.5A/ 400V |
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Solid state relay output - SSR (Solid State Relay Control Signal) output, |
| 5-24V/30mA (voltage not adjustable) |
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Bidirectional thyristor output - SOT thyristor output, 3A/400V |
Communication output |
Interface Method - Standard Serial Bidirectional Communication Interface: |
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RS-485，RS-232C，RS-422 等 |
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Baud rate -300~9600bps, freely set internally |
Feed output |
DC24V， Load ≤ 30mA |
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feature |
measurement accuracy |
± 0.2% FS ± 1 word or ± 0.5% FS ± 1 word |
resolution |
± 1 word |
measurement range |
-1999 to 9999 words |
display mode |
. -1999 to 9999 word measurement value display |
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. -1999 to 9999 character set value display |
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Display of working status of light-emitting diode |
Method |
The control/alarm mode is to bring back the upper or lower limit alarm of the difference |
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(Users can freely set) |
control accuracy |
± 1 word |
temperature compensation |
0-50 ℃ digital temperature automatic compensation |
Print control |
You can choose to directly connect various types of serial printers |
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(such as LQ-300K, TPuP series micro printers, etc.), with a printing interface of RS-232C |
printing accuracy |
Same instrument accuracy |
Parameter Settings |
Panel touch key numerical setting |
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Save parameter settings after power failure |
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Parameter setting value password lock |
protection method |
Input circuit disconnection alarm (when thermocouple or resistor input) |
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Alarm output status LED indication |
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Input over/under range alarm |
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Automatic reset of power supply voltage under voltage |
Automatic reset for abnormal work (Watch Dog) |
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★ Communication method |
Selection code |
0 |
2 |
4 |
8 |
9 |
contact method |
No communication |
RS-232 |
RS-422 |
RS-485 |
special specifications |
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★ Transmission output mode |
Selection code |
0 |
2 |
3 |
4 |
5 |
8 |
output method |
No output |
4～20mA |
0～10mA |
1～5V |
0～5V |
special specifications |
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★ Control output mode |
Selection code |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
output method |
No output |
relay |
4～20mA |
0～10mA |
1～5V |
0～5V |
SCR output |
SSR output |
special specifications |
SOT output |
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SCR - Zero crossing trigger pulse output of thyristor, SSR - Solid state relay control output, SOT - Bidirectional thyristor output |
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