Product outline
F331 is a digital indicator for strain gauge sensors to measure load, torque, pressure and displacement. Compact and simple configuration, practical machine with features such as hold and judgment.
Features
- Judgment function
Upper and lower limit comparison and judgment result output
Output (2 points) : Selectable from OK・NG・HH・HI・LO・LL - HOLD function
Hold function with the speed of A/D converting 300 times/sec. (Sample・Peak・Bottom・P-P) - Wealth of interface
USB as a standard feature. BCD output, D/A converter(Current output), RS-485(Select from Modbus-RTU and original format), RS-232C are available as an option. - Special PC application software
We prepared the special software that can easily set up F331, downloading of measured values and analyzing on a PC.
Setting and controlling can be done by a PC for installation and when you got NG judgement result.
■When installing
You can do initial setting and calibration. Installation task is easy because you can do it with confirming waveform data. PC is not required after operation is started.
- Initial setting and calibrations
You can do the read・write of the setting values and calibration.
- Check by waveform
It displays input signal in waveform.
You can see output timing of upper/lower limit comparison and hold at a glance. Saving of waveform data is also possible.
■When continuous control is required for e.g. long term test
When it is required, you can read and record measured value in real time by connecting a PC all the time.
It records measured value and status(Upper/Lower limit, Hold) for up to 10000 times. You can check judgment result by the OK/NG counting function.
■If result is judged as NG（Not good）
You can pursue the cause by comparing parameter set and waveform data of NG result with the data of when it is installed.
Principal use
Suitable for production line quality control such as pressure load of press or swage machine, pass or fail judgment of the automated machines and testing machines.
Specifications
Analog section｜Display section｜Setting section｜External signal｜Interface｜General specifications｜Attachments
| Analog section | |
| Sensor excitation voltage | DC 2.5 V±10% Output current within 30 mA : Standard specification 5 V spec. (Please specify when ordering.) (DC 5 V±10% Output current within 30 mA) |
|---|---|
| Signal input range | -3.0 to +3.0 mV/V |
| Accuracy | Non-linearity : Within 0.02% FS(at 3 mV/V input) Zero drift : Within 0.5 μV/℃ RTI Gain drift : Within 0.01%/℃ |
| A/D converter | Rate : 300 times/sec. Resolution : 24 bits (binary) |
| Hold function | Sample, Peak, Bottom, P-P |
| Display section | |
| Display | Character height 14.2 mm Numerical display (4-digits), by 7-segment red LED |
|---|---|
| Indicated value | Numeric 4-digits -9999 to 9999 (Minus is a most significant digit. It display at the status lamp.) |
| Decimal point | The display position is selectable. (8.888、88.88、888.8、8888) |
| Display items | Status display 3φ red LED ×2 (MINUS, HOLD) 3φ green LED ×1 (OK) |
| Display frequency | Selectable from 5, 10, 20 times/sec. |
| Setting section | |
| Setting method | Setting by specific PC software with USB interface. |
|---|---|
| Preservation of data | Stored in nonvolatile RAM (NOVRAM) |
| Key switch | ZERO |
| Setting items | Calibration: Zero calibration/ Span calibration (actual load calibration,equivalent input calibration) HH limit, HI limit, LO limit, LL limit, Hysteresis, Digital offset, Near zero, Comparison timing, Moving average filter, Digital low-pass filter*, Hold mode, ZERO key valid/invalid, Display frequency, Decimal place, External output selection, Indicator ID, Loadcell ID, BCD output mode, BCD data update rate, BCD output selection, D/A output mode, D/A zero scale, D/A full scale, RS-485 communication mode, RS-485 I/F setting, RS-485 ID, RS-485 transmission delay time, RS-232C communication mode, RS-232C I/F setting, Setting value LOCK (485/232), Calibration value LOCK (485/232) ※3, 6, 12Hz selectable |
| External signal | |
| Comparison output (2 points), Hold/judgment signal input, Digital zero signal input | |
|
Interface |
|
| USB (Standard) |
USB interface Communication standard: Compliant with USB Ver.2.0 Communication speed :Full speed (12 Mbps) Class: Communication device class OS: Windows7/10/11 Virtual COM port: Set values can be read and written by specific PC software. Connector: mini-B TYPE |
|---|---|
| BCD | BCD parallel data output interface (sink type)(Option) |
| DAI | D/A converter (current output)(Option) |
| 485 | RS-485 communication interface (Select from Modbus-RTU and original format)(Option) |
| 232 | RS-232C communication interface(Option) |
| General specifications | |
| Power voltage | DC 24 V(±15%) |
|---|---|
| Power consumption | 2 W typ. |
| Inrush current | 0.7 A, 18 msec: DC 24 V average load condition (cold start at room temperature) |
| Operation conditions | Operation temperature: -10 to +40℃ Storage temperature: -40 to +80℃ Humidity:85% RH or less(non-condensing) |
| Dimensions | 96(W) × 48(H) × 132.5(D) mm (Not including projections) |
| Weight | Approx.550 g |
| Attachments | |
| Quick manual | 1 |
|---|---|
| Signal input/output terminal block (Already mounted on the main unit) |
1 |
| BCD output connector (When BCD output option is selected) |
1 |
| Short bar(When RS-485 option is selected) | 1 |
Optional accessories
| Model | Description |
| CN51 | BCD output connector |
|---|---|
| TSU03 | DC lighting surge unit |
| CN88 | Signal input/output terminal block (Same accessory as the attached one) |
Please note that there are possibilities of individual differences in a color tone on display devices such as LEDs, fluorescent display tubes and LCDs due to manufacturing process or production lots.
Structure of product code
Download
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Product catalogue(PDF)
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Operation manual(PDF)
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External dimension
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DXF
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Support tools
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Software
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