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ICP DAS USA’s M-2018-16 is an analog input module that is equipped with 16 differential analog input channels. The M-2018-16’s voltage input range can be from ±15 mV to ±2.5 V, the current input range can be either +4 to +20 mA, 0 to +20 mA, or ±20 mA, and types J, K, T, E, R, S, B, N, C, L, M, LDIN43710 thermocouple can be used for the thermocouple input. Overvoltage protection of up to 120 VDC is provided. The M-2018-16 module also features per-channel open wire detection for the thermocouple input types, and provides 4 kV ESD protection as well as 3000 VDC intra-module isolation.
Analog Input
Channels
16
Wiring
Differential
Sensor Types
Thermocouple
Voltage
Current
J, K, T, E, R, S, B, N, C
±15 mV, ±50 mV, ±100 mV, ±500 mV, ±1 V, ±2.5 V
±20 mA, 0 ~ +20 mA, +4 ~ +20 mA (requires an optional external 125 ? resistor)
Voltage
±15 mV, ±50 mV, ±100 mV, ±500 mV, ±1 V, ±2.5 V
Current
±20 mA, 0 ~ +20 mA, +4 ~ +20 mA (requires an optional external 125 Ω resistor)
Resolution
16-bit
Accuracy
0.1% of FSR
Sampling Rate
10 Hz (Total)
Input Impedance
> 400 kΩ
Common Voltage Protection
25 VDC
Individual Channel Configuration
-
Overvoltage Protection
120 VDC
Open Wire Detection (for thermocouple only)
Yes
Temperature Outputs Consistency
-
Stable Temperature Output in the Field
-
Communication Interface
Interface
RS-485
Bias Resistor
Switch Selectable (10 kΩ resistor)
Format
(N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1)
Baud Rate
1200 to 115200 bps
Protocol
Modbus RTU, DCON
Dual Watchdog
Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicators/Display
System LED Indicator
Yes, 1 as Power/Communication Indicator
I/O LED Indicators
-
7-segment LED Display
-
Isolation
Intra-module Isolated, Field-to-Logic
3000 VDC
EMS Protection
ESD (IEC 61000-4-2)
±4 kV Contact for each Terminal
±8 kV Air for Random Point
EFT (IEC 61000-4-4)
±4 kV for Power Line
Surge (IEC 61000-4-5)
±1 kV for Power Line
Power
Reverse Polarity Protection
Yes
Input Range
+10 ~ +48 VDC
Consumption
0.5 W
Mechanical
Dimensions (W x L x H)
132 mm x 157 mm x 31 mm
Installation
DIN-Rail or Wall Mounting
Environment
Operating Temperature
-25 to +75°C
Storage Temperature
-40 to +85°C
Humidity
10 to 95% RH, Non-condensing
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