3 isolated digital input connections, 1 single-ended channel connections, Figure 3.2: isolated digital input connections – Advantech Network Device USB-4761 User Manual
Page 31: 4 relay connections, Figure 3.3: relay output channel connections, Isolated digital input connections, Relay connections, Figure 3.3:relay output channel connections
3 isolated digital input connections, 1 single-ended channel connections, Figure 3.2: isolated digital input connections | 4 relay connections, Figure 3.3: relay output channel connections, Isolated digital input connections, Relay connections, Figure 3.3:relay output channel connections | Advantech Network Device USB-4761 User Manual | Page 31 / 38