Unipulse F701 basic weighing controllerF701 is a general-purpose weighing controller that is compatible with all weighing systems. This is a practical device excellent in cost effectiveness, which is
Unipulse F701 basic weighing controller
F701 is a general-purpose weighing controller that is compatible with all weighing systems. This is a practical device excellent in cost effectiveness, which is equipped with the final discharge function allowing high-accuracy feeding and discharging weighing control, the weighing sequence function essential to hopper and packing scales, and the interface connectable to various peripherals such as RS-232C and BCD output.
| ANALOG SECTION | |
| Excitation voltage | 10V DC ±5%, Output current; within 120mA, remote sense type (Up to 4 loadcells at 350Ω are parallel-connectable.) |
|---|---|
| Zero adjustment range | 0 - 1.5mV/V for HI gain 0 - 3.0mV/V for LO gain (digital adjustment) Input of approx. 0.5mV/V or 1.0mV/V, Selectable adjust to zero [by dip switch on the rear panel] |
| Gain adjustment range | 2 stages of gain selectable according to the output of loadcell [by dip switch on the rear panel] 0.5 - 1.5mV/V for HI gain, 1.0 - 3.0mV/V for LO gain (digital adjustment) |
| Min. input sensitivity | 0.5μV / count |
| Accuracy | Non-linearity: within 0.01%/FS Zero drift: within 0.2μV/°C RTI (Typ: 0.15μV/°C) Gain drift: within 15ppm/°C (Typ: 7ppm/°C) Noise: within 0.1μVp-p RTI (0.1 - 10 Hz) |
| Analog filter | Bessel low-pass filter (-12dB/oct.) selectable from 2, 4, 6, 8 Hz |
| A/D converter | Speed: 100 times/sec Resolution: 16 bit |
| Min. display resolution | 1/10000 |
| Secondary calibration | Calibration can be carried out without an actual load by connecting a resistor to one of the bridges of a loadcell. |
| SETTING SECTION | |
| Setting method | ? Keyboard operation (membrane switch with a key click buzzer) ? External setting is available by installing a setting point option or RS-232C option |
|---|---|
| Setting value storage | ? Initial set values: NOV RAM (Non-volatile RAM) ? Other set values: C-MOS RAM with backup of a lithium battery (Effective for more than 7 years depending on usage conditions and storage environment.) |
| Setting value protection | Setting operation can be locked to prevent unauthorized modifications of default values and calibration by malfunction |
| INPUT/OUTPUT SECTION | |
| External output signal | Transistor’s open collector output (Emitter = COM terminal); Output is LO when transistor is ON (Near zero, SP1, SP2, SP3, go or comp, over, under, high limit, Low limit, stable, weight alarm or error, run) |
|---|---|
| External input signal | ON when shorted to COM terminal by TTL-level relay, switch, transistor, or open collector output. (Feed / discharge, tare ON, tare OFF, zero, gross / net, hold or judgment, start, stop) (Drive current: 10mA or less) |
| Output Conditions | - SP1: Net weight >= final weight-SP1 - SP2: Net weight >= final weight-before final - SP3: Net weight >= final weight-FF - Under: Net weight < final weight-underweight - Over: Net weight > final weight-overweight - Go: Final weight+overweight >= netweight >= final weight-underweight |
| Interface |
|
| DISPLAY SECTION | |
| Display unit | Numerical display (7 digits) with a character height of 18.5 mm by fluorescent display tube |
|---|---|
| Display value | 5 digits, Minus sign displayed on most significant digit |
| Scale capacity | 5-digit numerical values |
| Min. scale division | 1 to 100 |
| Decimal point | Selectable from 0, 0.0, 0.00, 0.000 (with zero blanking function) |
| Over-scale display | Input of A/D converter overflow, Net weight over the set net value, scale capacity + 9 scale divisions, Gross weight over the set gross weight |
| Center zero | True zero point or the center of each value is displayed. |
| Unit display | Selectable from t, kg, g, N, lb, none |
| Status display | SP3, SP2, SP1, LOCK, ZT, ZALM, STAB, TARE, NET, GROSS, HI LIM, HI, GO, LO, LO LIM, HOLD, NZ |
| GENERAL SPECIFICATIONS | |
| Power supply voltage | 85 - 110V, 102 - 132V, 170 - 220V, 187 - 242V AC (Please specify when ordering), 50/60 Hz |
|---|---|
| Power consumption | Approx. 15VA |
| Operating conditions | Temperature: Working temperature range -10°C - +40°C; Storage temperature range -20 - +85°C Humidity: 85% RH or less (non-condensing) |
| External dimensions | 192 (W) x 96 (H) x 160 (D) [mm] (protruding parts not included) |
| Panel cutout dimensions | 186(+2 / -0) (W) x 92 (+1 / -0)(H) mm (protruding parts not included) *Installation panel thickness: 1.6 mm or more |
| Weight | Approx. 2.2 kg |
| ACCESSORIES | |
| AC input cord (2m) | 1 |
|---|---|
| Spare fuse (1A) | 1 |
| Loadcell input connector | 1 |
| Control signal I/O connector | 1 |
| Flathead screwdriver | 1 |
| Operation Manual | 1 |
| Set point unit connector (when set point unit option is installed) | 1 |
| BCD output connector (when BCD output option is installed) | 1 |
| D/A converter connector (when D/A converter option is installed) | 1 |
| Model | Description |
| SPI | Set point unit interface |
|---|---|
| BCO | BCD parallel data output interface |
| 232 | RS-232C communication interface |
| 485 | RS-485 communication interface |
| DAC | D/A converter interface |
| Model | Description |
| E780 | Set point unit |
|---|---|
| LB01-NH | Lithium battery (with NH connector) |
| CAAC2P-P2 | AC input cord 2 m |
| CAAC3P-CEE7/7-P1.5 | AC input cord (250V withstand voltage) 1.5 m |
| CN3P-2P | 3P-2P conversion plug for AC input cord |
| CA4131 | (6-core) cable with JR connector at one end (cable end is separated) 3 m |
| CA4230 | JR-PRC conversion relay (6-core) cable 0.3 m |
| CA4311 | JR-PRC conversion relay (6-core) 4-wire type / 6-wire type (for 520A) 1m |
| CA7 | Coaxial cable with BCN on both ends 1.5 m |
| CA8 | BNC-alligator clip cable 1.5 m |
| CA3150 | Flexible flat cable with 57F 36 pins at both ends |
| CN21 | 57 series 36p connector for BCD output / set point unit |
| CN23 | 57 series 24p connector for external input / output |
| CN35 | D-sub 25p connector for RS-232C |
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