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 The automatic ration distribution system of distribution type ration loading control system is composed
of loading controlling instrument, flow meter, thermometer, level meter, ground switch, control valve,
explosion proof LED screen, and upper computer etc; the system is capable of either isolated operation
that is operated and monitored by operators locally or realizing computer operated loading control
through connection with the computers in the control chamber with communication cables; it collects
the loading information on the site to the control chamber for centralized monitoring, management,
displaying, and printing of various loading reports by computers.
Main Functions
1. Functions of automatic oil distribution and centralized management: it can realize automation of oil
distribution process, ensuring a highest loading accuracy that is over ± 0.2%; improving the
efficiency of production.
2. Function of safety alarm and protection: it can alarm for various system faults as well as protect for
static oil spilling and emergency system shutdown.
3. Monitoring function of loading process: it monitors the state of oil distribution of each crane
position on line.
4. Oil distribution upon bill change: it can be set for printing loading bills and save such bills; besides,
it has security code identification function.
5. Offline loading function: in case that the upper computable is inoperable, it can be easily shifted to
local loading mode.
6. Management function: it can arrange production by accepting production data and production
schedule from various higher level management networks, generating many types of reports.
7. Communication connection function: it provides with standard DDE and OPC interfaces that can
realize communication with such controls as DCS and ERP etc as well as the management system.
Main Features:
1. Adopting CFZ ration loading controlling instrument of domestic price and import performance;
2. Unique networking mode that can be shifted between Ethernet and RS 485;
3. The communication of upper computer and the loading controlling instrument adopts two standard
ways as TCP / IP and MODBUSRTU.
4. Software for upper computer can adopt general configuration software that is easy for maintenance.
5. Flexible configuration mode; it is even more easy and flexible for selection of types of local
instruments.
6. Both upper and lower computers are of complete Chinese environment.
7. Easy for extension and easy to integrate with modern network technologies.
Equipment Structure:
1. Industrial grade core intelligent controller.
2. Integrated liquid crystal display (LCD)
operation terminal of industrial grade.
3. Other industrial grade accessories.
Applicable Fields:
1. Ration truck loading and barreling of liquid
materials in such industries as petroleum,
chemical, pharmaceutical industries etc.
2. Rationed dosing of materials for production
processes and rationing control of other
processes.
Main functions:
1. Data acquiring and rationing control functions.
2. Parameter setup and sequencing control functions.
3. Oil spilling interlock, grounding interlock, emergency shutdown interlock, and power failure
protection functions.
4. Remote / local loading shifting function
5. Realizing monitoring and alarm functions
6. Communication networking function.
7. Equipment self check and security code protection functions.
Main Features:
1. Simple structure, extremely stable performance.
2. Module design that is easy for maintenance.
3. Providing with two standard communication interfaces for RS 485 and RJ 45.
4. Providing with standard MODBUSRTU and TCP / IP protocols for the convenience of networking,
configuration and communication with other PLC and DCS systems etc.
5. Providing with many types of data acquiring interfaces such as impulse input, AI, AO, DI, DO etc
which are of wide use range
Power supply AC 220 V, 2 A, 50 Hz Liquid crystal display (LCD) STN LCD module of high lightness
Keyboard input 24 keys (built-in IC card is available for choice) Equipment self check Automatically checking the working state of the equipment,
which can be remotely monitored Flow signals 4 groups of impulse input from 0 to 10 kHz and two channels of
analog signal (4 ~ 20) mA can be connected Valve position signal Valve position signal of up to 13 switch contacts can be
connected Adjusting output 4 – 20 mA, electrical or pneumatic operated adjusting valve can
be controlled with PID loop control to realize constant current or constant voltage control
Relay output AC 220 V, 5 A, which can control 10 valves or pumps System accuracy Accumulated flow error (0.1% FS)
Mode of operation It is capable of 24-hour continuous operation without interruption and can be locally or remotely operated
Operation temperature - 40℃ ~ 70℃ Storage temperature - 50℃ ~ 80℃
RH (relative humidity) 0 ~ 100% Vibration 0.5 mm displacement, (10 ~ 55) Hz, in three direction of X, Y,
and Z in 2 hours Ration range to set 0 ~ 99999999
Communication interface RS 485 Communication protocol Standard Modbus RTU (serial port); direct communication with
third party’s DCS hardware can be realized Communication rate 100 Mbps (Ethernet), 600 ~ 115200 bps (serial port)
MTBF (mean time between failures)
MTBF > 100,000 H (11 years) Mark of explosion proof ExdIIBT6
Installation Wall mount type (cabinet type is available for choice) Size 400 mm x 380 mm x 250 mm
Size of electrical interface G1 ” (4)  
Power supply AC 220 V, 2 A, 50 Hz Liquid crystal display (LCD) STN LCD module of high lightness
Keyboard input 24 keys (built-in IC card is available for choice) Equipment self check Automatically checking the working state of the equipment,
which can be remotely monitored Flow signals 4 groups of impulse input from 0 to 10 kHz and two channels of
analog signal (4 ~ 20) mA can be connected Valve position signal Valve position signal of up to 13 switch contacts can be
connected Adjusting output 4 – 20 mA, electrical or pneumatic operated adjusting valve can
be controlled with PID loop control to realize constant current or constant voltage control


© 2012 Changzhou Chengfeng Flowmeter Co.,Ltd All Rights Reserved   Main Products:Electromagnetic Flow meter  Metal Tube Flow Meter  Glass Tube flow Meter
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