AD485-A High-Speed&High-Accuracy A/D Module

¨Application

²  For making digital weighing & force-measuring sensor.

²  For weighing & force-measuring system with host-slave communication mode [one-host with multi-slave].

²  For remote weighing & force-measuring system.

¨CPU System

²  32-bit ARM CPU with 48MHz clock & higher arithmetic speed.

²  EMC design with high anti-jamming capability, suitable for industrial environment.

¨Loadcell Interface

²  Excitation Voltage / Max. Current: DC5V/20mA [1-350Ω loadcell].

²  Signal Input Range: ±35mV.

²  Output Sensitivity of Loadcell: 1.0~7.0mV/V.

²  24-bit ADC with resolution 1/1,000,000.

²  Sampling Frequency: 640Hz.

²  Special anti-vibration digital filtering algorithm with cutoff frequency setting range 0.7~112Hz.

²  Zero Drift: ±0.1μV/℃ RTI (Relative to Input).

²  Gain Drift: ±5ppm/℃.

²  Non-linearity: 0.005%FS.

¨Digital Communication Interface

²RS485 output Ad value: -1,000,000~+1,000,000.

²Communication Protocol: Host-slave Modbus RTU.

²Setting range of Communication Address: 0~99.

²Optional Baud Rate: 9600, 19200, 115200bps.

²Parity Check: None.

¨Operating Specification

²Power Supply: DC5~24V, Max 0.25W.

²Outline Size: 63×33×17mm [W×H×D].

²Operating Temperature: -30℃ to +50℃.

²Storage Temperature: -30℃ to +60℃.

²Relative Humidity: Max. 85%RH.

²Protection Level: IP50.

²Weight: Approx. 200g.