Description
16-channel Differential Analog Input
+-30 VDC Overvoltage Protection
Current, Voltage or Thermocouple Input
3000 VDC Intra-module Isolation
Adjustable CJC offset
Open Thermocouple Detection
Dual Watchdog
Wide Operating Temperature Range: -25 to +75C
Applications
Building Automation
Factory Automation
Machine Automation
Remote Maintenance
Remote Diagnosis
Testing Equipment
Analog Input
Channels 16
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 ohm resistor)
Resolution 16-bit
Accuracy 0.1% of FSR
Sampling Rate 10 Hz (Total)
Input Impedance > 400 kohm
Common Voltage Protection 25 VDC
Individual Channel Configuration –
Overvoltage Protection +-30 VDC
Open Wire Detection
(for thermocouple only) Yes
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 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) +-2 kV for Power Line
Power
Reverse Polarity Protection Yes
Input Range +10 to +30 VDC
Consumption 0.5 W
Mechanical
Dimensions (L x W x H) 120 mm x 76 mm x 42 mm
Installation DIN-Rail or Wall Mounting
Environment
Operating Temperature -25 to +75C
Storage Temperature -40 to +85C
Humidity 10 to 95% RH, Non-condensing
Manufacturer:Electronic Components
Datasheet:M-7018-16.pdf
