Description
The I-7018/M-7018 is an 8-channel Analog Input module that provides current and voltage input, as well as thermocouple input.
I-7018 ±120 VDC Overvoltage Protection
8-channel Differential or 6-channel Differential and 2-channel Single-ended Analog Input
Building Automation
Factory Automation
Machine Automation
Remote Maintenance
Remote Diagnosis
Testing Equipment
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 ? resistor)
Resolution 16-bit
Accuracy 0.1% of FSR
Sampling Rate 10 Hz (Total)
Input Impedance > 400 k?
Common Voltage Protection 25 VDC 200 VDC 25 VDC 200 VDC
Overvoltage Protection ±120 VDC 240 Vrms ±120 VDC 240 Vrms
Open Wire Detection
(for thermocouple only) – Yes – Yes
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
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
Manufacturer:Electronic Components
Datasheet:I-7018(R)_M-7018(R).pdf
