Robust 8-ch Thermocouple Input Module with Modbus Robust 15-ch Digital I/O Module with Modbus Robust 8-ch Relay Output Module with Modbus Certification FCC, CE Power Consumption 0.5W @ 24 VDC Certification FCC, CE, UL Power Consumption 0.7 W @ 24 VDC Certification FCC, CE, UL Power Consumption 1.8 W @ 24 VDC Analog Input Channels Input Impedance Input Type Input Range Thermocouple J 0 ~ 760°C K 0 ~ 1,370°C T -100 ~ 400°C E 0 ~ 1,000°C 8 differential and independent configuration channels 20 MΩ T/C, mV, V, mA Voltage mode Current mode Accuracy 0~15 mV, 0~50 mV, 0~100 mV, 0~500 mV, 0~1 V, 0~2.5 V, ±15 mV, ±50 mV, ±100 mV, ±500 mV, ±1 V, ±2.5 V 0~20mA, ±20 mA, 4~20 mA Voltage mode: ±0.1% or better Current mode: ±0.2% or better Resolution 16-bit Sampling Rate 10/100 samples/sec (selected by Utility) CMR @ 50/60 Hz 92 dB Overvoltage Protection ±60 VDC High Common Mode 200 VDC Span Drift ±25 ppm/°C (Typical) Zero Drift ±6μV/°C Built-in TVS/ESD Protection Burnout Detection Digital Input Relay Output Channels 7 Input Level Dry contact: Logic level 0: Close to GND Logic level 1: Open Wet contact: Logic level 0: 3 V max Logic level 1: 10 ~ 30 V (Note: The Digital Input Level 0 and 1 status can be inverted) Supports 3 kHz Counter Input (32-bit + 1-bit overflow) Supports 3 kHz Frequency Input Supports Invert DI Status Over Voltage Protection 40 VDC Output Channels 8 Form A Contact Rating 0.5 A @ 120 VAC (Resistive) 0.25 A @ 240 VAC 1 A @ 30 VDC 0.3 A @ 110 VDC Breakdown Voltage 750 VAC (50/60 Hz) Initial Insulation 1 G Ω min. @ 500 VDC Resistance Relay Response On: 3ms Time (Typical) Off: 1ms Total Switching Time 10 ms Supports 100 Hz pulse output Maximum Operating 50 operations/min Speed (at related load) Digital Output Channels 8, open collector to 40 V (0.8A max. load) Power Dissipation 1W load max RON Maximum 150 mΩ Supports 1 kHz Pulse Output Supports High-to-Low Delay Output Supports Low-to-High Delay Output Common Specifications General Ordering Information Supported Protocols Power Input Watchdog Timer Connector Isolation Voltage Interface (B version) Unregulated 10 ~ 48 VDC System (1.6 second) & Communication 2 x plug-in terminal blocks (#14 ~ 22 AWG) 3,000 VDC RS-485, micro USB ASCII Command and Modbus/RTU Operating Humidity 5 ~ 95% RH Operating Temperature -40 ~ 85°C (-40 ~ 185°F) Storage Temperature -40 ~ 85°C (-40 ~ 185°F) Robust 8-ch Thermocouple Input Module w/ Modbus Robust 15-ch Digital I/O Module with Modbus Robust 8-ch Relay Output Module with Modbus