The ICP DAS I-87042W offers 16 channels for digital input and 16 channels for digital output.Each of which features Photo-couple isolation.
This module supports sink type output with short-circuits protection. There are option for power on value and safe value for your consideration. About Input, you can chose sink type or source type input by wire connection. All channels are able to be used as 16-bit counter.
The I-87042W also has 32 LED indicators for channel status, 4KV ESD protection and 3750VDC intra-module isolation are standard.