43 ADAM-4000 Series User Manual
Chapter 3 I/O Modules
3.8 ADAM-4017/4017+/4018/4018M/4018+ 8-channel
Analog Input Modules
3.8.1 ADAM-4017/4018 8-channel Analog Input Module
The ADAM-4017/4018 is a 16-bit, 8-channel analog input module that provides pro-
grammable input ranges on all channels. This module is an extremely cost-effective
solution for industrial measurement and monitoring applications. Its opto-isolated
inputs provide 3000 VDC of isolation between the analog input and the module, and
protect the module and peripherals from damage due to high input-line voltages.
The ADAM-4017/4018 offers signal conditioning, A/D conversion, ranging and RS-
485 digital communication functions. The module protects your equipment from
power surges at the ground terminal by providing opto-isolation of A/D input and up
to 3000 VDC transformer based isolation.
The ADAM-4017/4018 uses a 16-bit microprocessor-controlled sigma-delta A/D con-
verter to convert sensor voltage or current into digital data. The digital data are then
translated into engineering units. When prompted by the host computer, the module
sends the data to the host through a standard RS-485 interface.
3.8.2 ADAM-4018M 8-channel Analog Input Data logger
The ADAM-4018M is a 16-bit, 8-channel analog input data logger featuring program-
mable input ranges on all channels. This reliable and easy to use analog input logger
can store up to 38,000 measurements for a maximum duration of 20 years.
The ADAM-4018M can accept various analog inputs such as thermocouple, mV, V
and mA. It also offers three configurable logging modes, standard log, event log, and
mixed log. Optically isolated inputs provide 3000 VDC of isolation between the mod-
ule and the analog input, and protect the module and peripherals from damaging due
to high voltages on the input lines.
The ADAM-4018M is an extremely cost-effective solution for industrial measurement
and monitoring applications.
3.8.3 ADAM-4017+ 8-channel Differential Analog Input Module
Similar to its counterpart, ADAM-4017+ enables eight differential channels with multi-
ple input ranges. This multi-channel/multi-range structure allows channels with differ-
ent input ranges at the same time. It provides a solution to the demand for more
analog input channels.
For example, channel 1 can have the range ± 5V meanwhile the others are ± 10V
and ± 20 mA.
Instead of leaving two single-ended channels in ADAM-4017 module due to the limit
number of pins, ADAM-4017+ uses a switch to switch AGND and INIT* to Vin6- and
Vin7- respectively to allow 8- channel input. Moreover, the ADAM-4017+ has been
expanded to accept 4 ~ 20 mA, so the user can employ it in various applications
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