I. Basic Information
Brand: Schenck Process (Germany, a leading company in the weighing industry)
Series: DISOMAT® Tersus Multi-functional Weighing Terminal
Model: VEG20450 (VEG = Panel mount cabinet-mounted type)
Position: Special-purpose industrial static weighing instrument, integrating weighing collection, batching control, logic interlock, and data communication. Standard for blast furnace material tanks, silos, and batching systems
Status: Mainstream in stock at the original factory, widely used by steel mills, cement, chemical, and coking industries, with sufficient spare parts circulation
Order suffix: V096000.B1 / VO54000.B11 represent the hardware version of power supply and expansion board
Hardware Installation and Protection
Installation form: Standard control cabinet embedded and panel-mounted
Dimensions (width × height × depth): 288 × 144 × 195 mm (excluding the protrusion of the terminal connectors 25mm)
Protection level: Front panel IP54, back of the body IP20 (limited to use within the cabinet)
Shell: Engineering plastic casing, 33-key membrane operation keyboard (including 12 custom functions F1~F6)
Display and Core Measurement Parameters
1. Display Screen
Color backlit LCD, resolution 320×240, visible area 120×90mm
Main weighing digital height 22mm, supports multi-unit switching: kg / t / g / lb / kN
Multiple pages: real-time weighing value, cumulative, batch formula, fault alarm, bus diagnosis
2. Weighing Collection Performance
Sensor input: 0~35mV strain-type weighing sensor, sensitivity 0.4μV/d
Sampling rate: 132 times/second, high-speed filtering to suppress on-site vibration interference
Measurement accuracy: OIML trade certification, maximum 8000 divisions, supports multiple scales and intervals of weighing instruments
Dual measurement channels: can simultaneously connect two sets of weighing sensors, independent measurement for each material tank
3. Power Supply Specifications
Two options for universal power supply:
AC: 85~250V AC, 47~63Hz
DC: 18~36V DC (standard DC 24V cabinet power supply)
Maximum power consumption of the entire machine 20VA
4. Operating Temperature Range
Operation: -30℃ ~ +60℃; trade measurement certification range: -30~+40℃
Storage: -40℃ ~ +60℃
IV. Standard Interfaces and Expansion Slots
Built-in on the machine
USB Host: USB for exporting weighing records, program backup, external keyboard and mouse
Built-in Ethernet port: TCP/IP, connecting to the upper computer/PLC, DISOPLAN debugging software
Multiple serial ports: RS232/RS422/RS485, printing, Modbus communication
Modular expansion slots (optional card insertion)
VEA20450: 4~20mA analog output card (0/4-20mA remote weight signal)
VPB8020: Profibus-DP bus card
VCB8020: DeviceNet bus card
VPN28020: Profinet industrial Ethernet card
VMM20450: Legal trade measurement storage module
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