Product outline

F701-S is a weighing indicator with high specifications and various functions such as super-low-drift high-precision amplifier, fast-sampling, weighing sequence functions that are useful for automatic weighing machines and control I/O.


Analog section
Excitation voltage DC 5 V±5% Output current:within 90 mA
Ratio metric type (Up to six 350 Ω load cells can be connected in parallel.)
Signal input range -0.5 to 3.0 mV/V,
0 to 3.0 mV/V (when OIML R76-1-compliant)
Zero adjustment range Automatic adjustment by digital operation
-0.2 to 2.0 mV/V,
0 to 2.0 mV/V (when OIML R76-1-compliant)
Span adjustment range Automatic adjustment by digital operation
0.3 to 3.0 mV/V,
0.6 to 3.0 mV/V (when OIML R76-1-compliant)
Minimum input sensitivity 0.15 μV/count
0.5 μV/count (when OIML R76-1-compliant)
Accuracy Non-linearity: within 0.01%/FS
Zero drift: 0.025 μV/℃ RTI typ.
Gain drift: 1 ppm/℃ typ.
A/D converter Conversion rate: 300 times/sec.
Conversion resolution: 24 bit (binary)
Minimum indication resolution 1/10000, 1/6000 (when OIML R76-1-compliant)
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-485 interface.
Memory of set value Calibration value and a part of set value: NOV.RAM (nonvolatile RAM)
Other set values: F-RAM (nonvolatile RAM)
Protect of set value Protect can be set by Lock switch and Lock parameter.
Setting items

Upper limit/ Lower limit/ Near zero/ Set point 1/ Set point 2/ Compensation/ Over/ Under/ Final/ Comparison inhibit time/ Judging time/ Complete output time/ Compensation feeding time/ Auto free fall compensation regulation/ Weighing function 1/ Weighing function 2/ Tare setting/ Tare display/ Digital low pass filter/ Moving average filter/ MD/ZT period/ ZT range/ Total comparison selection/ Total limit (most significant 4 digits)/ Total limit (least significant 5 digits)/ Count limit/ Weighing function 3/ Key invalid・Lock/ Input selection 1/ Input selection 2/ Output selection 1/ Output selection 2/ Error output selection/ Reserve output selection/ Password/ Bag clamp output time/ Discharging time/ Weighing start time/ AZ times/ Judging times/ Sequence mode 1/ Sequence mode 2/ Filling enhancement value/ Expanded function selection 1/ Expanded function selection 2/ Balance weight value/ Capacity/ Min. scale division/ DZ regulation value/ Display selection 1/ Gravitational acceleration/ Net over/ Gross over/ Display selection 2/ RS-485 I/F setting/ RS-485 Communication type/ RS-485 ID/ Transmission delay time/ Zero calibration/ Span calibration/ Equivalent calibration/ Option display

External signal (You can specify whether PNP (Source) type or NPN (Sink) type when order the F701-S.)
Output signals (16) SP1/ SP2/ SP3/ Complete/ Discharge/ Bag clamp/ Error selection 1,2/ Output selection 1 to 6/ Reserve 1,2
At signal ON, output transistor ON.
* External voltage must be prepared separately by customer.
Input signals (16) Operation permission/ Weighing start/ Stop/ Discharge command/ Manual discharge/ Discharge gate open/ Accumulation clear/ Input selection 1 to 6/ Code 1,2,4
Contact (relay, switch etc.) or non-contact (transistor, open collector etc.) can be connected.
* External voltage must be prepared separately by customer.
485 RS-485 communication interface
(Select from Modbus-RTU and original format)
232 RS-232C communication interface (option)
BCO BCD parallel data output interface (sink type) (option)
BSC BCD parallel data output interface (source type) (option)
DAC D/A converter (option)
ODN DeviceNet interface (option)
PRF PROFIBUS interface (option) * PROFIBUS-DPV0
CCL CC-Link interface (option)
Display section
Display 18.5 mm in character height, Numerical display on LCD(7 digit)
Sub display:7.3 mm in character height (14 digit)
Indicated value 5 digit sign: negative display at the highest digit
Accumulation value 9 digit
* This can be changed to “Accumulation count (4 digit)”, “Final(5 digit)”, “Code(1 digit)”, “Total discharge count (6 digit)” and “Discharge count (5 digit)”.
Display frequency Select from 1, 2, 5, 10, 20 times/sec.(System speed is 300 times/sec.)
Capacity 5 digit
Min. scale division Setting allowable in the range of 1 to 50.
* Only the following settings are valid when OIML R76-1-compliant:
0.001, 0.002, 0.005, 0.010, 0.020, 0.050, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50
Decimal point Select from 0, 0.0, 0.00, 0.000
Over display LOAD: A/D converter input over,
OFL1: Net over,
OFL2: Capacity +9 scale division,
-OFL2: Capacity -over or -20 scale division over,
OFL3: Gross over
Center zero A true zero point or the center of each value is displayed.
* Only true zero point is displayed when OIML R76-1-compliant.

General specifications
Power supply voltage AC 100 to 240 V (+10% -15%)(free power source 50/60 Hz)
Power consumption 3 W typ.
Inrush current 2 A, 3 mSec: AC 240 V average load condition (cold start at room temperature)
Operating conditions Operation Temperature:-10℃ to +40℃, Storage Temperature:-20℃ to +85℃
Humidity:85% or less (non-condensing)
Dimensions 192(W) × 96(H) × 140(D) mm (Not including projections)
Weight Approx. 2 kg
AC input cord (Nominal rating 125 V) 2 m 1
Load cell connector 1
Load cell connector rubber 1
External I/O signal connector 1
Operation manual 1
Rubber packing 1
BCD output connector(with BCD output option) 1
DeviceNet connector (with DeviceNet option) 1
CC-Link connector(with CC-Link option) 1


Optional accessories

CAAC3P-P2 AC input cord 2 m
CAAC3P-CEE7/7-P1.5 AC input cord (voltage resistance: 250 V) 1.5 m
CA4131 (6-wired) cable with JR connector at one end 3 m
CA4230 JRC-PRC (6-wired) conversion relay cable 0.3 m
CA4311 JRC-PRC (6-wired) conversion relay cable (4-wired to 6-wired) (for 520 A use) 1 m
CN3P-2P 3P-2P converter plug for AC input cord
CN10 Load cell connector (JR)
CN34 D-Sub 9p connector for RS-232C
CN51 BCD output connector
CN52 FCN series I/O connector (with cover)
CN57 FCN series I/O connector (with diagonal cover)
CN71 CC-Link connector
CN72 Double row connector for CC-Link
CND01 DeviceNet connector

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



Product catalogue(PDF)
⇒Download Page
Operation manual(PDF)
External dimension
Support tools