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The M-7018-16 is an analog input module designed with 16 differential analog input channels. The voltage input ranges 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. Designed with overvoltage protection of up to 30 VDC is provided. M-7018-16 features per-channel open wire detection for the thermocouple input types, 4 kV ESD protection and 3000 VDC intra-module isolation.
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 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
±30 VDC
Open Wire Detection
(for thermocouple only)
Yes
Temperature Outputs Consiste
-
Stable Temperature Output in the Field
-
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
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)
±2 kV for Power Line
Power
Reverse Polarity Protection
Yes
Input Range
+10 ~ +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 +75°C
Storage Temperature
-40 to +85°C
Humidity
10 to 95% RH, Non-condensing
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