USB-4718 8-ch Thermocouple Input USB Module with 8-ch Isolated Digital Input

Analog Input

• • Accuracy: ±0.1% for voltage input
  • Bandwidth: 13.1 Hz @ 50 Hz,

15.72 Hz @ 60 Hz

• • Channels: 8 differential
  • Independent Channel Configuration: Yes
  • CMR @ 50/60 Hz: 92 dB min.
  • Resolution: 16 bits
  • Input Impedance: 1.8 MΩ
  • lnput Range: 0 ~ 15 mV, 0 ~ 50 mV, 0 ~ 100 mV,

0 ~ 500 mV, 0 ~ 1 V, 0 ~ 2.5 V,
0 ~ 20 mA, 4 ~ 20 mA

• • lnput Types: Thermocouple, mV, V, mA
  • Sampling Rate: 10 S/s (shared for all channels)
  • Note: Because of the hardware design, the sampling rate for each channel is fixed at

10/8 = 1.25 S/s per channel regardless of the number of channels used.

• • Span Drift: ±25 ppm/°C
  • T/C Type and Temperature Ranges

J: 0 ~ 760 °C
K: 0 ~ 1370 °C
T: -100 ~ 400 °C
E: 0 ~ 1000 °C
R 500 ~ 1750 °C
S 500 ~ 1750 °C
B 500 ~ 1800 °C

• • TVS/ESD Protection: Built in
  • Zero Drift: ±0.3 µV/°C

Isolated Digital Input

• • Channels: 8
  • Input Voltage: Logic 0: 3 V max.

Logic 1: 5 V min. (30 V max.)

• • Isolation Protection: 2,500 VDC
  • Opto-Isolator Response: 25 µs

Isolated Digital Output

• • Channels: 8
  • Output Type: Sink (NPN)
  • Isolation Protection: 2,500 VDC
  • Output Voltage: 5 ~ 30 VDC, 1.1 A max./ total
  • Sink Current: 200 mA max./channel
  • Opto-Isolator Response: 25 µs

General

• • Bus Type: USB 2.0
  • I/O Connector: Onboard screw terminal
  • Dimensions (Lx W x H): 132 x 80 x 32 mm (5.2″ x 3.15″ x 1.26″)
  • Power Consumption: 100 mA @ 5 V
  • Watchdog Timer: 1.6 sec. (system)
  • Operating Temperature: 0 ~ 60 °C (32 ~ 140 °F)
  • Storage Temperature: -20 ~ 70 °C (-4 ~ 158 °F)
  • Storage Humidity: 5 ~ 95% RH non-condensing