M-7018R to Moduł posiadający 8 różnicowych wejść analogowych 16-bitowych z zabezpieczeniem 240 Vrms do termopar z interfejsem Modbus/RTU.

Analog Input

Input Channels: 8 differential
Input Type:
+/-15 mV, +/-50 mV, +/-100 mV, +/-500 mV, +/-1 V, +/-2.5 V
+/-20 mA (requires optional external 125 Ω resistor)
Thermocouple: J, K, T, E, R, S, B, N, C, L, M
Resolution: 16-bit
Sampling Rate: 10 Samples/ Second
Accuracy: +/-0.1%
Bandwidth: 15.7 Hz
Zero drift: +/-10 uV/°C
Span drift: 25 ppm/°C
Input Impedance: 1 MΩ
Common Mode Rejection: 86 dB min.
Normal Mode Rejection: 100 dB
Over voltage Protection: 240 Vrms
Open Thermocouple Detection: Yes
4 KV ESD Protection: Yes, Contact for each terminal.
Intra-module Isolation, Field to Logic: 3000 Vdc

Interface

Interface: RS-485
Format: N, 8, 1
Baud Rate: 1200 ~ 115200 bps

LED Display

1 LED as Power/ Communication indicator

Power

Input: +10 ~ +30 Vdc
Power Consumption: 1.0 W

Protocol

Support Modbus and DCON Protocol: Yes

Environment

Operating temperature: -25 ~ +75°C
Storage temperature: -40 ~ +85°C
Humidity: 5 ~ 95% RH, non-condensing