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M-6018-16 16-channel Thermocouple/Voltage/Current Input Module, Modbus RTU

Product information "M-6018-16 16-channel Thermocouple/Voltage/Current Input Module, Modbus RTU"

The M-6018-16 is a 16-channel differential analog input module for engineers who need to capture thermocouple, voltage and current signals on one RS-485 network. A single unit can serve a mix of sensor types across its channels.

Voltage inputs span ±15 mV to ±2.5 V, and current inputs cover ±20 mA, 0 to +20 mA and +4 to +20 mA. The +4 to +20 mA range requires an optional external 125 Ω resistor. Thermocouple types J, K, T, E, R, S, B, N and C are supported, with open wire detection for thermocouple inputs. Overvoltage protection up to 120 VDC and 3000 VDC intra-module isolation are provided.

Communication is through one RS-485 port using Modbus RTU or DCON at 1200 to 115200 bps. The module accepts +10 to +48 VDC with reverse polarity protection and operates from -25 to +75 °C.

Applications

  • Building Automation
  • Factory Automation
  • Machine Automation
  • Remote Maintenance
  • Remote Diagnosis
  • Testing Equipment
Product type: Analog Input Module
Interface: RS-485
Protocol: DCON, Modbus RTU
Analog inputs: 16
Ports: 1
Isolation: 3000 VDC
Power input: +10 ~ +48 VDC
Operating temperature: -25 ~ +75 °C

Specifications

CPU Module
Watchdog TimerModule, Communication (Programmable)
Isolation
Intra-module Isolation3000 VDC
EMS Protection
EFT (IEC 61000-4-4)±4 kV for Power Line
ESD (IEC 61000-4-2)±4 kV Contact for each Terminal
±8 kV Air for Random Point
Surge (IEC 61000-4-5)±1 kV for Power Line
LED Indicators
Status1 x Power and Communication
Analog Input
Channels16 Differential
Sensor TypeThermocouple: J, K, T, E, R, S, B, N, C
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)
Resolution16-bit
Accuracy0.1% of FSR
Sampling Rate10 Hz (Total)
Input Impedance> 400 kΩ
Common Voltage Protection25 VDC
Overvoltage Protection120 VDC
Open Wire DetectionYes
COM Ports
Ports1 x RS-485
Baud Rate1200 ~ 115200 bps
Data Format(N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1)
ProtocolModbus RTU, DCON
Bias Resistor1 kΩ (DIP switch selectable)
Power
Reverse Polarity ProtectionYes
Input Range+10 ~ +48 VDC
Consumption0.5 W
Mechanical
Dimensions (mm)116 x 120 x 64 (W x L x H)
Environment
Operating Temperature-25 ~ +75 °C
Storage Temperature-40 ~ +85 °C
Humidity10 ~ 95% RH, Non-condensing

Specifications as published by the manufacturer. Subject to change.

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