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MINT – IO
REF NO: m25A/om/101
Issue No: 11
4.3 mINT
– 08AI – Analog Inputs
4.3.1 Description:
This module is supplied with Thermocouple, RTD, Voltage and current Inputs.
All 8 channels are supplied with user selectable universal Inputs. We can
configure this module with mINT Plus configuration software or any Modbus
Master device. All user Zero values and Span values of connected sensors
are configurable through the mINT Plus Software.
4.3.2 Technical Specifications:
Voltage Requirements:
Logic Supply voltage
18 - 32Vdc
Logic Supply Current
100mA max @24V
Power Consumption
<3W
Field components
50 ohms connected externally for Current
inputs
Input Specifications:
Input Points
08
Input Types
Thermocouple -> E ,J ,K ,T ,B ,R ,S ,N
RTD -> Pt100, Cu-53, NI-120
Current -> 0-20mA , 4-20mA
Resistor Input -> 0 Ohms to 2k Ohms
Voltage -> 0 to +10V, 0 to +5V
0 to +100mV,
-50mV to +50mV,
0 to +250mV
Isolation
1500Vrms
– Field To Logic
Isolation
1500Vrms
– Field To RS485
Isolation
1500Vrms
– RS485 To Logic
Resolution
16 Bit ADC
CMRR/NMRR
CMRR>120dB NMRR>60dB at 50Hz
Accuracy
0.1% of FS
Temperature Drift
≤ 0.01% of span/°C
CJC Error
±2°C (0 to 55°C)
Input Impedance
V>1 MΩ, mA<100Ω, mV/TC>1 MΩ
Sensor Burn-out Current
0.5uA
RTD Excitation Current
250uA
Scan Rate
T/C & Voltage/Current:
50mSec/Channels
RTD: 100mSec/Channels
Environmental Specifications:
Operating Temperature
0˚ C to 55˚ C
Storage Temperature
-
10˚C to 70˚ C
Humidity (Non-condensing)
30 to 95% RH
