WF-2000 Series AIO
User’s Manual (Ver. 1.2, May./2014) ------------- 9
Table
1-3 WF-2019 I/O Specification
Modules
WF-2019
Analog Input
Channels
10
Voltage : ±15 mV, ±50 mV, ±100 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V,
±10 V
Current : ±20 mA (External resistor is required)
Input Type
Thermocouple : J, K, T, E, R, S, B, N, C
Resolution
16 bit
Accuracy
±0.1% FSR
Sampling Rate
10 Hz (Total)
Zero Drift
±20
µ
V/°C
Span Drift
±25 ppm/
℃
Common Mode Rejection
86 dB Min.
Normal Mode Rejection
100 dB
Input Impedance
Voltage Input: >400 k
Ω
, Current Input: 125
Ω
Intra-Module Isolation, Field-to-Logic
3000 VDC
Overvoltage protection
240 Vrms
Individual Channel Configuration
Yes
Open Wire Detection
Yes (Software programmable)