8AI Robust Modbus RS-485 Remote I/O

• 8ch analog input(voltage or current)
• Operation temperature:-40~85°C,Power input:10VDC~48VDC
• Noise protection: 4kV surge(power),4kV EFT,8 kV ESD protection
• Interface: RS-485/USB
• 3000VDC isolation protection
• LED indicator to monitor I/O status

Specifications

General

Connectors:
2 x plug-in terminal blocks (#14 ~ 22 AWG)

Watchdog Timer:
System (1.6 second) & Communication

Supported Protocols:
ASCII Command and Modbus/RTU

Power Consumption:
1.2 W @ 24 VDC

Interface (B version):
RS-485, micro-USB

Certification:
FCC, CE

Analog Input

Channels:
8 differential and independent configuration channels

Input Impedance:
20 MΩ

lnput Type:
mV, V, mA

lnput Range:
0 ~ 150mV, 0 ~ 500mV,
0 ~ 1V, 0 ~ 5V, 0 ~ 10V,
0 ~ 15V, ±150 mV,
±500 mV, ±1V, ±5 V,
±10 V, ±15V, ±20 mA,
0 ~ 20 mA, 4 ~ 20mA

Accuracy

Voltage mode : ±0.1% or better
Current mode : ±0.2% or better

Resolution:
16-bit

Sampling Rate:
10/100 samples/sec (selected by utility)

CMR @ 50/60 Hz:
92 dB

Over Voltage Protection:
±60 VDC

High Common Mode:
200 VDC

Span Drift:
±25 ppm/°C (Typical)

Zero Drift:
±6μV/°C

Built-in TVS/ESD Protection

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