The I-7053_FG features a long effective distance measurement for dry contact digital input of up to 500 meters. The I-7053_FG supports source-type input. All 16 channels are also able to be used as 16-bit counters, each of which are non-isolated. The I-7053D_FG has 16 LED indicators for channel status monitoring. The M-7053 has the same hardware specifications as the I-7053_FG, but provides additional support for the Modbus RTU protocol as well as the DCON protocol.