Weighing batching controller ST-CK
Weighing controller
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DETAILS
Compact size, panel mounted weight control indicator, specially designed for flexible batching, dosing, two displays and 10 annunciators show working status of the terminal
General Features
- Compact size, panel mounted weight control indicator
- Specially designed for flexible batching, dosing
- Two displays and 10 annunciators show working status of the terminal
- Sigma-Delta A/D processor with high sample rate upto 200 samples per second
- Stainless steel front and rear panel and long-life membrane keypad
- Support 4 kinds of material, 10 ingredient recipes and auto compensation
- Widely used in agriculture, food, chemical, metallurgy, building materials
- Extended to connect with PLC, PC, DCS, real-time FIELD BUS (Optional)
Technical Specifications
| A/D Converter | Sigma-Delta processor |
| Resolution | Selectable upto 200,000d |
| Conversion rate | Selectable upto 200 samples per second |
| Display | Main : 6 red LED Extra : 6 green LED Status annunciators : 10 Information : current weight, target weight, operation status |
| Keyboard | 4 membrane keys with tactile feedback |
| Number of load cells | Power up to 6 x 350Ω load cells (4 wire or 6 wire), or the load impedance greater than 50Ω |
| Input signal | -20mV ÷ +20mV |
| Filter | 10 adjustable digital filter |
| Inputs | 4 opto-isolated digital inputs |
| Outputs | 12 optical relay outputs 24VDC, 200mA |
| Communication | Serial RS232 : baud rate 2400-19200 programmable Serial RS485 : baud rate 2400-19200 programmable MODBUS - RTU |
| Calibration | 3-point linearity calibration |
| Power supply | 20 ÷ 28 VDC, 200mA |
| Environment protection | Front panel : Stainless steel IP65 Enclosure : Aluminum IP42 |
| Dimension | Front panel : 104 x 59 x 130mm (WxHxD) Enclosure : 92 x 45mm (WxH) |
| Operating environment | -10°C ÷ +40°C (14°F ÷ +104°F) ; 10% ÷ 90% RH, not condensing |
| Storage environment | -30°C ÷ +60°C (-22°F ÷ +140°F) ; 10% ÷ 90% RH, not condensing |