The F741-C is a high-noise-resistant weighing indicator by which stable indicated values can be obtained. Compatible with a fieldbus (PROFIBUS), and serial and analog outputs, it can be combined with a wide variety of plant devices.
ANALOG SECTION｜SETTING SECTION｜INPUT/OUTPUT SECTION｜DISPLAY SECTION｜GENERAL SPECIFICATIONS｜ACCESSORIES
| ANALOG SECTION | |
| Excitation voltage |
DC10V±5％ Output current：within 120mA Remote sense type （Up to four 350Ω load cells can be connected in parallel.） |
|---|---|
| Signal input range | －0.2～2.2mV/V |
| Zero adjustment range |
0～2.0mV/V Automatic adjustment by digital operation |
| Span adjustment range |
0.3～2.0mV/V Automatic adjustment by digital operation |
| Minimum input sensitivity | 0.3μV/count |
| Accuracy |
|
| Analog filter | Bessel type low-pass filter (-12dB/oct) Cutoff frequency 2Hz |
| A/D converter |
|
| Minimum indication resolution | 1/10000 |
| Secondary calibration | Equivalent input calibration |
| Minimum indication resolution for secondary calibration | 1/1000(ordinary temperature) |
| SETTING SECTION | |
| Setting method |
''Settings are made by operating the membrane keys. Also, settings can be made from a host computer through the RS-232C interface.'' |
|---|---|
| Memory of set values | NOV RAM (nonvolatile RAM) |
| Setting item |
・Upper/lower Limit Comparison mode：Upper Limit / Lower Limit / Hold time / Near Zero / Tare setting / Tare display ・Over/Under Comparison Mode：Target value / Over / Under / Hold time / Near Zero / Tare setting / Tare display ・Discharging control Mode：Final / Compensation / Set point 1 /Comparison Inhibit Time / Judging Time / Complete Output Time / Near Zero / Tare setting / Tare display Password / Digital Filter / Motion Detection (Period)/ Motion Detection (Range) /Zero Tracking (Period) / Zero Tracking (Range) / Weighing Function 1 / Weighing Function 2 / Function key invalid・LOCK / Balance Weight Value / Capacity / Min. Scale Division / DZ Regulation Value / Display Selection / Gravitational Acceleration / Equivalent input calibration / Zero Calibration / Span Calibration / RS-232C I/F / D/A Output Mode / D/A zero Output / D/A Full Scale / PROFIBUS I/F / PROFIBUS Baud rate / Station No. |
| INPUT/OUTPUT SECTION | |
| Output signals(3points) |
HI／GO／LO（Can be changed to COMPL／SP2／SP1） With short-circuit current limiting function by external power source. Transistor open collector output (Emitter = COM terminal) Output LO with transistor ON. |
|---|---|
| Input signals(1point) |
TARE ON when shorted with COM terminals by contact (relay, switch, etc.) or non-voltage-contact (transistor,TTL open-collector output, etc.) |
| Interface |
|
| DISPLAY SECTION | |
| Numerical display tube | 14mm in character height Numerical display by 7-segment green LED (6 digits) |
|---|---|
| Indicated value | 6-digit, sign: negative display at the highest digit |
| Display frequency | Select from 3, 6, 13 or 25 times/sec.(The system speed is 100 times/sec.) |
| Unit | g, kg, t, lb, N, oz, and kN selectable (kg printed: Others are changed by the attached label.) |
| Capacity | 5 digit |
| Min. Scale Division | Setting allowable in the range of 1～100. |
| Decimal point | Select from 0, 0.0, 0.00 or 0.000 (Zero blanking display by decimal point position) |
| Over display |
|
| Center zero | A true zero point or the center of each value is displayed. |
| Status display | NZ／HOLD／ZALM／STAB／TARE／NET／CZ／HI／GO／LO／COMPL／SP2／SP1 |
| GENERAL SPECIFICATIONS | |
| Power supply voltage | AC100 ~ 240V (+10%, -15%) [free power source 50/60Hz] |
|---|---|
| Power consumption | Approx. 12W |
| Rush current |
18A, 1.5mSec…100V AC mean load state (ordinary temperature, at cold-start time) 42A, 1.6mSec…240V AC mean load state(ordinary temperature, at cold-start time) |
| Operating conditions |
Temperature: Operation：－10～＋40℃ ; Storage：－20～＋85℃ Humidity: 85%RH or less （non-condensing） |
| External dimensions | 144（W）×72（H）×160（D）mm（Projections excluded） |
| Weight | Approx. 1.0kg |
| ACCESSORIES | |
| AC input cable (3 m) | 1 |
|---|---|
| Unit and status indication label | 1 |
| Mini screwdriver for terminal block connection | 1 |
| Jumper line | 2 |
| Connector for D/A converter (with D/A converter option) | 1 |
| Operation Manual | 1 |
| Model | Description |
| PRF | PROFIBUS interface |
|---|---|
| DAC | D/A converter interface |
| Model | Description |
| CAAC2P-B3 | AC input cord 3 m |
|---|---|
| CAAC3P-CEE7/7-B2 | AC input cord (withstand voltage: 250V) 2 m |
| CN80 | Loadcell input connector terminal |
| CN70 | D/A converter connector |
