MEP500C8-Packing scale weighing controller instrument & weight indicator 1) LCD/OLED displays in English with a nice interface, easy to control and also with user friendly design. 2) Filling mode can be configured with single hopper or double hopper. 3) Three-level feeding flow control (fast, middle and fine), fine feeding can be configured manual or auto mode. 4) Can pre-save 11 groups of quantitative control parameters. 5) Can be configured several quantitative control operation for one bagging. 6) Various time delay functionality for avoid joggling. 7) Available to select the function of automatic zero-setting (with hopper) and automatic taring (no-hopper). 8) Inputs could be configured as material level detection function. 9) Outputs could be configured as clamping and vibrating (Drop/flag) function. 10) 20 I/O (8 inputs/12 outputs), and the port functions can be programmed (pre-assigned). 11) Input may be normally open or close by user configuration. 12) Can be selected pre-act auto adjustment. 13) Set the packaging batch number so that the machine automatically stops when reaching the preset batch. 14) It has a filling accumulative function, and the result of accumulation can be output from the print output interface. 15) It has a sew mechanism controlling function. 16) It has a non-object calibration function. 17) It has I/O test function so that trouble shooting of the electric circuit. 18) Switching power supply and over-voltage protection circuit are used for adapting to a large power supply variation. | Basic parameters | | | Display window | 128*64LCD/OLED English character display | | Scale interval | 1, 2, 5, 10 | | Max number of scale interval | 10000 | | Decimal place | 0, 0.0, 0.00, 0.000 | | Unit of weight | g, kg, t (gram, kilogram and ton) | Overall dimensions | 165（W)x 172（D)x 92（H)mm | | Product weight | About 1.2 kg | | Performance index | | Static accuracy class | OIML R76 Class III | | Maximum signal input range | -3.6mV/V ~ 3.6 mV/V | | Maximum sensitivity | 1.5μV/d (the weakest filter) or 0.75μV/d (the strongest filter) | | Input-end noise | ≤0.5μVp-p (the weakest filter) or ≤0.25μVp-p (the strongest filter) | | Zero drift | ≤0.05μV（@ 0.02mV/V) | | Temperature coefficient | ≤10ppm/°C | | Input impedance at load cell interface | ≥20MΩ | | Non-linear error | ≤0.002%FS | | A/D conversion rate | 100 SPS(samples per second) | | Working parameters | | | Type of interface | RS485 | | function | communication | | Communication distance | ≤1000m | | Baud rate | 2400/4800/9600/19200/38400/57600/115200/256000 | Byte structure | 1 start + 8 datum + 1 verification +1 stop | | Parity check | Configurable | | Data format | MODBUS-RTU protocol | | Type of load cell | resistor strain type weight sensor | | Excitation voltage of load cell | DC 5V, 100mA, max to 4 350Ω analog load cells. | | On-off output (contact) capacity | Relay AC 220V /1A | | On-off input voltage (rated value) | DC 24V | | On-off input current | 4--6mA | | Working condition | | | Power supply range | AC 220V（AC175-245V)，50Hz/60Hz | | Power Consumption | ≤10W | | Operating temperature | -10°C~40°C | | Humidity range | ≤90% relative humidity (non-condensing) |
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