10/20-channel Analog Input
High Voltage Protection

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Analog Input
Channels 10 differential or 20 single-ended, software selectable
Differential mode can be used for voltage and current input.
Single-Ended mode can be used for voltage input only.
Type +/-150mV
(jumper selectable)
Resolution Normal mode: 16-bit
Fast mode: 12-bit
Sampling Rate Normal mode: 10 samples/ second
Fast mode: 60 samples/ second
Accuracy Normal mode: +/-0.1%
Fast mode: +/-0.5% or better
Band Width Normal mode: 15.7Hz
Fast mode: 78.7Hz
Zero Drift +/-20uV/°C
Span Drift +/-25ppm/°C
Input Impedance Voltage: 2M Ohms(Differential) / 1M Ohms(Single-ended)
Current: 125 Ohms
Common Mode Rejection 86dB min
Normal Mode Rejection 100dB
Over voltage Protection Differential: 240 Vrms
Single-ended: 150Vrms
ESD Protection 4KV Contact for each terminal
8KV Air for random point
EFT Protection 4KV to Power
1KV to RS-485
Individual Channel Configuration Yes
Intra-module Isolation,
Field to Logic
3000 VDC
Interface RS-485
Format N, 8, 1
Baud Rate 1200~115200 bps
LED Indicators
LED Display 1 LED as Power/ Communication indicator
Input Voltage Range +10 ~ +30 VDC
Power Consumption 2.0W
Physical and Environmental
Operating temperature -25 to 75°C
Storage temperature -40 to 75°C
Humidity 5 to 95%, non-condensing