RS-485 I/O Modules: ADAM-4000 I/O Module Selection Guide Analog Input Analog Output Digital Input/Output Model ADAM-4018+ ADAM-4019+ ADAM-4021 ADAM-4024 ADAM-4050 ADAM-4051 Resolution 16 bit 12 bit 12 bit - - Analog Input Channels 8 differential 8 differential - - - - Sampling Rate 10 Hz 10 Hz - - - - Voltage Input - ± 100 mV ± 500 mV ± 1 V ± 2.5 V ± 5 V ± 10 V - - - - Current Input 4 ~ 20 mA ±20 mA 4 ~ 20 mA ±20 mA - - - - Direct Sensor Input J, K, T, E, R, S, B Thermocouple J, K, T, E, R, S, B Thermocouple - - - - Burn-out Detection Yes Yes (4 ~ 20 mA & All T/C) - - - - Channel Independent Configuration Yes Yes - - - - Analog Output Channels - - 1 4 - - Voltage Output - - 0 ~ 10 V ±10 V - - Current Output - - 0 ~ 20 mA 4 ~ 20 mA 0 ~ 20 mA 4 ~ 20 mA - - Digital Input/ Output Input Channels - - - 4 7 16 Output Channels - - - - 8 - Alarm Settings - - - Yes - - Counter (32-bit) Channels - - - - - - Input Frequency - - - - - - Isolation Voltage 3,000 VDC 3,000 VDC 3,000 VDC 3,000 VDC - 2,500 VDC Digital LED Indicator - - - - - Yes Watchdog Timer Yes (System & Comm.) Yes (System & Comm.) Yes (System) Yes (System & Comm.) Yes (System) Yes (System & Comm.) Safety Setting - - - Yes - - Modbus Support * Yes Yes - Yes - Yes Page 16-9 16-9 16-10 16-10 16-11 16-11 *: All ADAM-4000 I/O Modules support ASCII Commands Chapter 16 Table of Contents Table of Contents