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ASAHI

AM-749 Setpoint  Comparator from ASAHI KEIKO CO., LTD.


AM-749

1/8 DIN Size
Four Setpoint
DC Voltage Measurement
Input Range Measuring Range Display Adjustable Input Impedance Max. allowable input voltage
DV 11 ±199.99mV Offset ± 19999 Fullscale ±0~19999 100M Ohms ±250V
DV 12 ±1.9999V 100M Ohms ±250V
DV 13 ±19.999V 1M Ohms ±250V
DV 14 ±199.99V 10M Ohms ±500V
DV 15 ±700.0V 10M Ohms ±700V
DV 1V 1~5V 1M Ohms ±250V

DC Current Measurement
Input Range Measuring Range Display Adjustable Input Impedance Max. allowable input voltage
DA 23 ±19.999mA Offset ± 19999 Fullscale ±0~19999 10M Ohms ±150mA
DA 24 ±199.99mA 1M Ohms ±500mA
DA 25 ±1.9999A 0.1M Ohms ±3A
DA 2A 4~20mA 10M Ohms ±150mA


Ordering Code
AM-749-(Range)-(PowerSupply) (DataOuput)-(Comparator Output)
Range DV (11,12,13,14,15,1V)
DA (23,24,25,2A)
Power Supply 1. AC90V~264V
Data Output 1. none
2. BCD (open collector)
3. RS-485
4. RD-232C
5. ANALOG
Comparator Output 1. relay
2. photo




Common Specifications
Memory backup Set data is stored for approx. 10 years by using EEPROM
Operating Temperature and humidity ranges 0~50 ° C
35~85% RH
Power Supply 90~264V AC (50Hz/60Hz)
Power Consumption Approx. 5VA (at 100V AC)
Dimensions 48(H) x 96mm(W) x 161mm(D), DIN size
Dielectric strength 500V DC between input/earth E and case
500V DC between input terminal/common, digital common, sensor power supply and relay output 1500V AC between power supply terminal/common, digital common, sensor power supply, case and relay output
Insulation Resistance More than 100M Ohms at 500V DC between each terminal described above
Noise Rejection Power terminals, normal/common mode ± 1500V square waveform for 1ns at rise noise, width, 500ns (by noise simulation)
Sensor Power Supply 12V± 10% 80mA
Ripple, less than 200mVp-p
Accessory Instruction manual
 

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