NEW
Compact Strain Gauge Module with RS-485 (Modbus RTU) Interface
VWM30R series
High-efficiency digital filter adopted!
Reliable weighing even in environment subject to frequent vibration
- DIN rail mounting type suitable for installing into control box
- Flow rate calculation function included
- High-speed sampling 1000 times per second
- Internal resolution Approx. 16,000,000
- High-performance dual digital filter included
- Remote I/O functions (Input terminal status monitoring, output terminal ON/OFF)
- Control I/O (6 inputs, 8 outputs) included as standard feature
- Other functions include: Gravity acceleration correction, higher order linearity correction (digital linearization), HI/LO limit detection, hold, dual digital filter, load cell connection diagnosis, etc.
Analog unit
| Input sensitivity | Over 0.15µV/d (d=minimum division) |
|---|---|
| Maximum measurement range | -35mV to +35mV (-7mV/V to +7mV/V) |
| Zero adjustment range | -35mV to +35mV (-7mV/V to +7mV/V) |
| Load cell excitation | DC5V±5%, 60mA Remote sensing function included Up to 4 × 350Ω load cells can be connected |
| Temperature coefficients | Zero: ±0.02µV/°C (Typ.), ±0.1µV/°C (Max.) Span: ±3ppm/°C (Typ.), ±15ppm/°C (Max.) |
| Nonlinearity | 0.005% of F.S. Max. |
| Input noise | Less than 0.3µVp-p (Typ.) |
| Input impedance | 10MΩ and above |
| A/D conversion method | Delta-sigma modulation |
| Internal resolution | Approx. 16,000,000 |
| Display resolution | Max. 99,999d (within 20,000d recommended) |
| Sampling rate | 1000 times per second |
| Calibration | Actual load calibration or digital span calibration not using actual load. |
Digital unit
| Display elements | Measurement display: 5-digit red LED 7-segment display, Character height 5.3mm Polarity display: 1 red LED Status display: 6 red LED |
|---|---|
| Measurement display | Adjustable net/gross weight display Display range: -99,999 to 99,999 (Minimum division (d) options 1, 2, 5, 10, 20, 50) |
| Status display | GROSS, NET, HOLD, STABLE, ZERO, and custom user-defined function |
| Key switches | F/ESC, →(Zero), ↑(Zero offset), ENT |
| Communication display range | -99999 to 99999 (5 digits) or -999999 to 999999 (6 digits) selectable |
Interface
| Load cell input terminal | 7-pin spring-clamp terminal block |
|---|---|
| RS-485 | Power clamp Board mount header (3M) |
| Control I/O / Standard serial output |
20-pin MDR connector (Female) * Cable-side connector not included. |
General specifications
| Memory backup | Nonvolatile memory can hold data for more than 10 years |
|---|---|
| Power supply voltage | DC24V |
| Power consumption | 6W (Max.) |
| Operating temperature and humidity range | -10°C to 50°C/ Below 85%RH (Condensation must be avoided) |
| External dimensions | 35(W) × 110(H) × 101(D) mm |
| Attachment method | DIN rail mount |
| Weight | Approx. 200g |
| Function | Dual digital filter (HPDF1, HPDF2), Control I/O can be assigned with functions as desired, Sequential weighing, Remote I/O, Gravity acceleration correction, Linearity correction function, HI/LO limit detection function, Hold, Load cell connection diagnosis, Near zero detection, Zero tracking, Power-on zero, Flow rate calculation function (Calculates flow rate per hour/min./sec.) |
| Accessories | Basic instruction manual, RS-485 connector (3M, 35505-6200-A00 GF) |
Selection
Application Guide
Conveyor weight checker
Dimensions (Unit: mm)
Digital Panel Meter