Weighing indicator BST100-B21 is mainly used for weighing, feeding&batching systems of belt scale. It adopts A/D conversion technology and broad-range speed pulse input circuit. Max. 8 loadcells are connectable. The functions of segmenting calibration, zero auto- tracking, key-locking & auto-locking, full digital setting & calibration, system start&stop control, feeding closed-loop control and so on are available. It supports industry configuration software.

Technical Specifications :

Power Supply
Operating Voltage 1: AC220V, -15%~+10%.
Operating Voltage 2: AC85~264V.
Operating Frequency: 50Hz, ±2%.
Max. Power: 20W.
Display
16-bit red LED digital display.
Keypad
6 keys for Menu operation with key tone.
Key-locking and Auto-locking.
Load Cell Signal Input Interface (SENSOR/LOADCELL)
Excitation Voltage Output: DC10V.
1 Weighing Input Signal: 0~30mV or 0/4~20mA.
Wiring Modes: 6-wire, 4-wire and 2-wire.
Max. Connection Number: 8 Loadcells (350Ω, 0.5~3.0mV/V).
A/D Converter
24-bit ADC.
Sampling Frequency: Max. 100Hz.
Speed Sensor Signal Input Interface(SENSOR/SPEED)
1 Speed Pulse Input Signal.
Frequency Range:0.5~5000Hz.
Power Supply Output:DC5~12V(adjustable),Max.100mA.
Analog Signal Output Interface(AO)
Max.3 Analog Output Signals:4~20mA.(AO3:optional)
Accuracy:±0.1%FS.
Definalbe:Flow Set-Point Input,Belt Angle Compensation Input,etc.
Analog Signal Input Interface(AI)
1 Analog Input Signal:4~20mA.
Accuracy:±0.1%FS.
Definalbe:Flow Set-Point Input,Belt Angle Compensation Input,etc.
Totalized Weight High-Speed Pulse Signal Output Interface(PO)
1 Open-Collector Output.
Capacity of Contacts:100mA,DC5~24V.
Weight per Pulse and Pulse Width can be Preset.
Relay/Transistor Switch Signal Output Interface(DO)
4 Normally Open Relays or Transistor Switch Outputs.
Capacity of Relay Switch:AC25V/DC24V,1A.
Capacity of Transistor Switch:DC24V,500mA.
Definable:Flow/Load/Speed/PID/Flow Deviation Limit Alarm,Totalized Weight Low Speed Pulse,Auto[PID]/Flow Outer Setting/Calibrating/Running State,Output DI1/DI2/DI3 Signal,Serial Port Set,Feeder Control,Scale Control,Batch-Finish,etc.
Digital Switch Signal Input Interface(DI)
3 DI Switch Input.
Definalbe:Weighing/PID Control Switch,System Ready,Zero Calibration,Clear Screen,Start Control,Stop Control,etc.
Digital Communication Interface (COM)
COM1 Optional:RS485,Profibus-DP,Ethernet,CANBUS,Wireless Module(Only for BST100-B21),etc.
COM2: RS232.
Connectable: IPC/PLC, Remote Display, Remote Operating Terminal, Serial Printer, Wireless Module, etc.
Power Supply Output: DC5V, 100mA
Weight Record Save&Print
Weight record per Shift/Day/Month of a year can be auto-saved and printed.
Outline Dimension
A11:160 × 84 × 188 mm (W×H×D).
A21:202 × 290 × 90 mm (W×H×D).
Cut Dimension
A11:150+3 × 75+3 mm (W×H).
Weight: Approx. 1.5kg (B11) and 3.4kg (B21).
Temperature and Humidity
Service Temperature: -10℃ to +40℃.
Storage Temperature: -20℃ to +60℃.
Relative Humidity: Max. 85%RH.
IP Grade: IP50 (B11) and IP65 (B21).