Technical Specifications – M8FI-Module 8 Frequency Signal Inputs:

Number of inputs – 8;
Input type – Frequency inputs with common GND;
Power supply – typical 24 Vdc (18 Vdc – 28 Vdc);
Isolation – 2 KV/min;
Hot Swappable – Yes;
Input refresh rate – 1s;
Input impedance – Minimum 2.5k/ Maximum 10k;
Minimum detectable pulse width – 222ns;
Operating temperature – 0 ºC to 50 ºC;
Minimum recognized voltage – 3Vac;
Maximum input frequency – 32kHz;
Input filter cutoff frequency – 100kHz;
Indication – LEDs PWR, Fail, PWR-ST, FB-Err;
Mounting – BMIO-1 base;
Protection Degree – IP20;
Weight – 210g;
Dimension (mm) – 65 x 133 x 91 (WxHxD);

The base used for this module is the BMIO-1. Its characteristics are:
Assembly – DIN Rail 35 mm;
Weight – 240g;
Dimension (mm) – 74 x 185 x 54.3 (WxHxD).