Advantech ADAM-4118 Robust 8-ch Thermocouple Input Module with Modbus

Advantech's ADAM-4118 is a thermocouple input module with 8 differential & independent thermocouple configuration channels. The module has a wide power input and operating temperature and online firmware updating.

• Power Requirement: 10~48 VDC
• Analog Input
• Channels: 8 differential
• Voltage Range: 15 mV ±50 mV ±100 mV ±500 mV ±1 V ±2.5 V
• Current Input: ±20 mA 4~20 mA
• Direct Sensor Input: J, K, T, E, R, S, B Thermocouple
• Burn-out Detection: Yes (4~20 mA & all T/C)
• Channel Independent Configuration: Yes
• Sampling Rates: 10/100 samples/second (total)
• Resolution: 16-bit
• Input Impedance: Voltage: 20 MOhm Current: 120 Ohm
• Span Drift: ±25 ppm/°C
• Zero Drift: ±6 µV/°C
• CMR @ 50/60 Hz: 92 dB
• NMR @ 50/60 Hz: 60 dB
• High Common Mode: 200 VDC
• Watchdog Timer: System (1.6 second) & Communication
• Connector: 2 x plug-in terminal block (#14~22 AWG)
• Temperature (Operating): -40~85°C (40~185 °F)
• Humidity: 5~95 %RH
• Temperature (Storage): -40~85°C (40~185 °F)
• Interface: RS-485
• Isolation Protection: 3000 VDC
• Communication Protocol: ASCII command & Modbus/RTU
• Communication Speed: Serial: From 1,200 to 115.2 k
• Data Flow Control: Yes