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I-7018/I-7018R/M-7018/M-7018R
8-channel Analog Input Module
 
   
Model: I-7018/I-7018R Model: M-7018/M-7018R
 
  • I-7018
    • ±120 VDC Overvoltage Protection
    • 8-channel Differential or 6-channel Differential and 2-channel Single-ended Analog Input
  • I-7018R and M-7018R
    • Overvoltage Protection can be up to 240 Vrms
    • 8-channel Differential Analog Input
  • Current, Voltage or Thermocouple Input
  • 3000 VDC Intra-module Isolation
  • Dual Watchdog
  • Wide Operating Temperature Range: -25 to +75°C
 
The I-7018/M-7018 is an 8-channel Analog Input module that provides current and voltage input, as well as thermocouple input. The I-7018R/M-7018R is an upgraded version of the I-7018/M-7018 that includes an extremely high-quality protection mechanism where the overvoltage protection can be as high as 240 Vrms. The I-7018R/M-7018R is more suitable for critically harsh environments, and the newly-added open thermocouple detection feature makes the I-7018R/M-7018R more attractive than ever. The I-7018/M-7018/I-7018R/M-7018R also features 4 kV ESD protection and 3000 VDC intra-module isolation. The specifications for the M-7018 and M-7018R are the same as the I-7018 and I-7018R, but provide additional support for the Modbus RTU protocol as well as the DCON protocol.
 
  • Building Automation
  • Factory Automation
  • Machine Automation
  • Remote Maintenance
  • Remote Diagnosis
  • Testing Equipment
 
Models I-7018 I-7018R M-7018 M-7018R
Analog Input
Channels 6 Differential and 2 Single-ended, or 8 Differential 8 Differential 6 Differential and 2 Single-ended, or 8 Differential 8 Differential
Wiring Differential
Sensor Types Thermocouple 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)
Resolution 16-bit
Accuracy 0.1% of FSR
Sampling Rate 10 Hz (Total)
Input Impedance > 400 kΩ
Common Voltage Protection 25 VDC 200 VDC 25 VDC 200 VDC
Individual Channel Configuration -
Overvoltage Protection ±120 VDC 240 Vrms ±120 VDC 240 Vrms
Open Wire Detection
(for thermocouple only)
- Yes - Yes
Temperature Output Consistency -
Stable Temperature Output in the Field -
Note: For highly-accurate thermocouple measurement, ICP DAS recommends selecting the I-7018Z/I-7019Z module,which features automatic cold-junction compensation for each channel, ensuring consistent and stable temperature output.
 
Models I-7018 I-7018R M-7018 M-7018R
Communication
Interface RS-485
Bias Resistor No (Usually supplied by the RS-485 Master. Alternatively, add a tM-SG4 or SG-785.)
Format (N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1)
Baud Rate 1200 to 115200 bps
Protocol DCON Modbus RTU, DCON
Dual Watchdog Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicator/Display
System LED Indicator Yes, 1 as Power/Communication Indicator
I/O LED Indicator -
7-Segment LED Display -
Isolation
Intra-Module Isolation, Field-to-Logic 3000 VDC
EMS Protection
ESD (IEC 61000-4-2) ±4 kV Contact for each Terminal
EFT (IEC 61000-4-4) ±4 kV to Power
Surge (IEC 61000-4-5) ±0.5 kV for Power Line
Power
Reverse Polarity Protection Yes
Input Range +10 ~ +30 VDC
Consumption 1.0 W
Mechanical
Dimensions (L x W x H) 123 mm x 72 mm x 35 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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