{
    "card_type": 2,
    "chan": [
        {
            "active": true,
            "automatic_threshold": false,
            "events_per_revolution": 1,
            "hysteresis": 2,
            "id": 1,
            "normal_voltage_range": [
                0,
                21
            ],
            "threshold": 0
        },
        {
            "active": true,
            "automatic_threshold": false,
            "events_per_revolution": 1,
            "hysteresis": 2,
            "id": 2,
            "normal_voltage_range": [
                0,
                21
            ],
            "threshold": 0
        },
        {
            "active": true,
            "automatic_threshold": true,
            "events_per_revolution": 1,
            "hysteresis": 2,
            "id": 3,
            "normal_voltage_range": [
                0,
                21
            ],
            "threshold": 0
        },
        {
            "active": true,
            "automatic_threshold": false,
            "events_per_revolution": 1,
            "hysteresis": 2,
            "id": 4,
            "normal_voltage_range": [
                0,
                21
            ],
            "threshold": 0
        }
    ],
    "slot": 5,
    "version": 1
}