Safety grid not required：load cell interface intrinsic safety loop design
Color screen display：Certification accuracy: 6000e ；4.3 “full color screen
Square structure design：llC explosion-proof rating；High utilization of intemal space, easy installation and maintenance. 26-Keypads design. good operation experience
Common Communication interface: Standard isolated RS232 and isolated RS485;CAN,LAN Optional Analog output;4-20mA/0-10V; discreteI/O port, 8 inputs and 8 outputs
PLC fieldbus interface: Profibus-DP,CC-Link, Profinet, EtherNet/IP, Modbus-RTU, Modbus-TCP
Typical application programming: basic weighing, check-weigh,filling/dosing, lose-in-weigh application
EM301 is an industrial process controlling explosion-proof weight indicator and controller, using flameproof and intrinsic safety design. It can be used in dynamic weighing. Equipped with a variety of PLC bus interfaces, also provides humanized HMI interface, it is convenient for the special weighing applications
| Parameter | ||||
| Product model | EM301-0-2 | EM301-0-0 | EM301-1-2 | EM301-1-0 |
| Materials | stainless steel (0Cr18Ni9) | cast aluminium (ADC12) | stainless steel (0Cr18Ni9) | cast aluminium (ADC12) |
| Cavity size (L×W×H)/mm | 226×207×132 | 226×175×115 | 259×207×132 | 226×175×115 |
| Weight (Kg) | 24 | 12 | 25 | 13 |
| Explosion-proof sign | Ex db [ib Gb] IIB+H2 T6 Gb; Ex tb [ib Db] IIIC T80°C Db | Ex db [ib Gb] IIC T6 Gb; Ex tb [ib Db] IIIC T80°C Db | ||
| AC/DC Power | 85-264VAC/18-36VDC | |||
| Protection degree | IP68(2m/2h) | |||
| Operating temperature | -20 ~ +60 | |||
| Service entrance | G3/8″ M16x1.5 | G1/2″ M20x1.5 | G3/4″M25x1.5 | |
| Applicable cable diameter | φ4~φ9 | φ6~φ12 | φ6~φ13 | |
| Intrinsic safety parameter | Loop Uo(V) | Lo(mA) Po(mW) | Co(µF) Lo(mH) | |
| +EXC 7.14 | 342 397 | 13.5 0.7 | ||
| +SEN 7.14 | 342 397 | 13.5 0.7 | ||
| +SIG 7.14 | 342 397 | 13.5 0.7 | ||
| -SIG 7.14 | 342 397 | 13.5 0.7 | ||
| -SEN 7.14 | 342 397 | 13.5 0.7 | ||
| -EXC 7.14 | 342 397 | 13.5 0.7 | ||
| Display screen | 4.3″TFT full color screen | |||
| Number of verification scale intervals (e) | 6000 | |||
| Number of scale intervals for indicator (d) | 100000 | |||
| Number of sensors | Up to 6 350 ohm load cells (2 or 3mV/V) | |||
| AD sampling rate | 1000Hz | |||
| Load cell Excitation | 5VDC | |||
| Minimum sensitivity | 0.5µV/e | |||
| Accuracy class | III | |||
| KeyPad | 4 key top bar button; Film keyboard (expandable up to 32 keys) | |||
| Communication protocol | Command output, continuous output, Modbus RTU, Modbus TCP,EtherNet/IP | |||
| Calibration function | Weight calibration; Weight-free calibration; Remote calibration | |||
| Scale | 1 | |||
| Capacity | 1-500,000kg (default 60) | |||
| Increment size | 0.0001/0.0002/0.0005 | |||
| 0.001/0.002/0.005 | ||||
| 0.01/0.02/0.05 | ||||
| 0.1/0.2/0.5 | ||||
| 1/2/5 | ||||
| 10/20/50/100 | ||||
| Serial ports | 1 way RS485 (isolation) | |||
| 1 way RS232 (isolation) | ||||
| 1 way CAN (isolation) | ||||
| 1 way LAN | ||||
| Baud rate | 1200,2400,4800,9600(default),19200,38400,57600,115200 | |||
| DIO interface | 4 inputs(optocoupler isolation)/4 outputs(relays,transistors) | |||
| Analog quantity※ | 1 way 4-20mA or 0-10v | |||
| 8 DIO Interface expansion board※ | 8 inputs (optocoupler isolation)/8 outputs (relays,transistors) | |||
| 8 RLY Interface expansion board※ | 8 inputs (optocoupler isolation)/8 outputs (relays,transistors) | |||
| Industrial bus option board※ | PROFINET、Ether/IP、Profibus-DP、CC-Link | |||
The list marked with ※ is optional, customers need to purchase separately.
