Bộ hiển thị điều khiển cân, RAMSEY MINI 11-100 weighing instrument MT3101F MT9101F MT9101P MT101P Bộ hiển thị điều khiển cân, RAMSEY MINI 11-100 weighing instrument MT3101F MT9101F MT9101P MT101P Weighing the meter. Belt scale. Coal feeder. feeding machine. The spiral scale is used above. Wall-mounted, built-in weighing controller. Weighing control instrument is a dynamic belt scale and batching control instrument based on microcomputer. Using human-machine dialogue on the VFD screen, the weighing flow is directly displayed in Chinese form, and the relevant information is accumulated. Operation and calibration are especially convenient. The instrument has automatic zero calibration, automatic interval calibration, fault alarm automatic diagnosis, optical isolation input / output, standard serial port, built-in PID control output. RAMSEY MINI 11-100 Bộ điều khiển cân băng tải, bàn cân oto Số lượng: 0 cái


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  • Bộ hiển thị điều khiển cân, RAMSEY MINI 11-100 weighing instrument MT3101F MT9101F MT9101P MT101P

  • Đăng ngày 22-05-2019 02:11:37 PM - 466 Lượt xem
  • Mã sản phẩm: RAMSEY MINI 11-100
  • Giá bán: Liên hệ
  • Weighing the meter. Belt scale. Coal feeder. feeding machine. The spiral scale is used above. Wall-mounted, built-in weighing controller. Weighing control instrument is a dynamic belt scale and batching control instrument based on microcomputer. Using human-machine dialogue on the VFD screen, the weighing flow is directly displayed in Chinese form, and the relevant information is accumulated. Operation and calibration are especially convenient. The instrument has automatic zero calibration, automatic interval calibration, fault alarm automatic diagnosis, optical isolation input / output, standard serial port, built-in PID control output.


2, environmental parameters
  1. Storage temperature - 40 ° C - +70 ° C;
     Operating temperature -10 ° C - +50 ° C;
  2. Maximum relative humidity: 95%
3, the power supply
? 220VAC+10%~—15% 50Hz
? Fuse 0.5A
? EMI/RFI filter
4, weighing sensor
    ? The instrument provides 10VDC, 200mA excitation power, and can be connected in parallel with 4 load cells.
    ? Sensitivity, 0.5mV/V-3.5mV/V
    ? Maximum input signal 33mV
    ? Load cell shield grounding
    • When the cable distance is greater than 60 meters (not more than 900 meters), use the excitation compensation circuit jumper to select local or remote compensation.
5, the motherboard digital input port
   The instrument main board provides three programmable input ports to receive dry contact switch signals.
6, the motherboard digital output port
   The instrument main board provides 3 programmable output ports, 24VDC open collector output, which can directly drive the control relay.
7, communication board
   The instrument can be equipped with a communication board. It can use standard RS-232, RS-485 serial interface and host computer communication board to collect instrument data and operate the instrument, and has two-way communication function.
8, the main performance
    ? Four lines display, select through menu
    ? 5 status indicators
    ? Current output of material flow or load
    ? Pulse output of total material weight
    ? Automatic zero adjustment, interval
    ? Automatic zero tracking
    ? Photoelectric coupling digital input and output
    ? Alarm and fault prompts
    Communication function: RS232, RS485 multi-station communication network
    ? One way process control mode: PID control output
9, the main function
    All functional software is solidified in the memory chip. When the user installs an optional expansion board or the operator selects through the keyboard, the controller will automatically open the corresponding function.
   (1) Measurement function
     a, instantaneous flow calculation 
    The load cell output unit weight signal is multiplied by the speed sensor output unit belt speed signal. This result is instantaneous flow.
     b, weight accumulation
The cumulative amount is the total weight of the unit length and the running length, and then converted into engineering units.
C, automatic zero adjustment and automatic adjustment interval
By defining the number of belt turns and belt length is the basis for automatic zero adjustment and automatic adjustment interval.
    To accurately calculate the length of the belt, the controller calculates the number of pulses from the speed sensor. When the required number of pulses is accumulated, the controller ends the calibration test, compares the theoretical value with the actual value, and calculates the calibration constant.
     d. Automatic zero tracking  
    When the belt is running, the flow rate is lower than the predetermined value, and the controller performs automatic zero adjustment according to the following steps.
    -- Wait for half of the test cycle (“Z” will be displayed)
    - Complete a zero test
    - Complete automatic zeroing of a test cycle
    - As long as the flow value is lower than the automatic zero tracking tracking value, the meter will repeat the above steps
e, one input, two current output signals
    Optional input/output expansion board for one voltage/current input and two current output signals
(2) Monitoring function
    Status prompt
    Process alarm
    Setting error
    Equipment failure
    High flow, low flow, high load, low load alarm
(3) Automatic control of feeding function
    The weighing controller provides an independent control current loop. The control current loop is usually used to control the feed amount. The control method is
    —— PID=proportional + integral + differential
    The controllable process variable is the feed amount, and the flow setting can be set via keyboard input or external analog signal. The control output is a 4-20 mA current loop.
Computer totalizer, totalizer, weighing display
Warranty period is 12 months; 
☆ Accuracy: better than 0.025%; 
☆ Dot matrix Chinese character fluorescent display; 
☆ Rolling type, pull-down menu mode; 
☆ Display instantaneous flow, cumulative weight, overflow alarm status; 
☆ Display original parameters Value, new input parameter value, operation status prompt; 
☆ Can display zero point value, tare value, net weight value, A/D conversion digital quantity, speed sensor pulse number; 
☆ 32-bit microprocessor with non-volatile memory EPPOM. The calibration data input by the keyboard is stored in the CMOS RAM of the backup battery, and has a life span of ten years; 
☆ Alarm and control functions: with sound and light alarm function and output control function; 
☆ Touch key input, which can be a dot matrix digital screen Display input status and prompts; 
☆ Analog signal input: 4~20mA and 0~5V; 
☆ Two-way analog output: 4~20mA output; 
☆ Communication interface: RS-232C/RS-485C; (optional) 
☆ PID Control 
1. Proportion: 5-500% ratio band 
2. Integral: 0.01-10min 
3. Derivative: 0.01-10min 
☆ PEIC (periodic error total control) 
1. 
Total calculation: 0.01-10min 2. Relay: 1-100S 
☆ Control loop: two independent control loops

1. Control the feeding amount 
2. It can control the 
full digital operation of other equipments 
, and has the best drift-free stability in processing integral and accumulation; the display is dual-screen display, the upper screen displays the cumulative amount, and the lower screen displays the instantaneous flow rate; The input and output are pressed by the command code, for example: 01P stands for the zero value; the remote count is optional with contact and no contact, and the output is DC 24V when there is no contact; the optional communication board is the upper position. Used when communicating with the machine, communication interface: RS-232C/RS485 can be selected. (Optional) Optional current output board, output standard 0-20mA or 4-20mA signal; optional print expansion board, output interface can be connected to μp or pp series parallel port printer.
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