General Details

ID551 Rail Type Weighing Control indicator

ID551 Rail Type Weighing Control indicator is an industry weighing process controller, high accuracy, typical for weighing, batching, filling.

id551 is widely used in metallurgy, chemical industry, building materials, paint filling, food and feed industries.


6-bit 0.28″ red LED display and 10 status lights.

100,000 display division, 6000e approved

200Hz A/D sample speed, 200 Hz target compare speed

5-step filter, High Anti vibration

Standard with one serial ports (RS232/485)

Standard with 8 IN / 8 Output(OC)

DIN Rail Housing


Target Control

Checking Weighing

Tension Testing

Bagging Machine


ID551 developed by Kobastar & Webo cooperation

Technical info
Accuracy Class III
EU Approval 100,000 Display Division ,CMC 6000e

Display & Keypad

Display 6 bits 7-segment red LED display,0.28” high
Update Speed 250ms
Status Display Gross,Net,Motion,Center of Zero
Key 4 function keys(Tare, Clear,Zero,Print)


Type&Speed 24-bit 200 Hz
Resolution 0.1mV to 19Mv input range 100,000d,0.06uV/d,1uV/e

Linearity and  Stability

In-linearity & TC  ≤0.0015% FS;≤5ppm/℃
Load Cell
Exciting Voltage 5V DC, max 150mA
Load Cell Number Max 4 x 350Ω
Connect Type  4- wired or 6-wired , Cable:274mR/m2

Scale Basic Functionality

Calibration 2-point with testing weight
Filter 5-step
Scale Process Tare,Zero,Auto Zero,Motion,
Inputs Option 8 Inputs,Can be assigned  remote inputs for
remote host(PLC or DCS)
Outputs Option 8 Outputs,Can be assigned  remote outputs for
remote host(PLC or DCS)

Target Control

Target Control Sequence Control(with Start & Abort command)
Checking Weigh Eye-In trigger checking & Weight trigger checking
Communication I/F
Serial Port COM1-RS232/485,continuous output weight,MODBUS-RTU
Analog Output None
Housing DIN Rail
Power Supply 24VDC,6W