{
    "version": 1,
    "slot": 7,    
    "chan": [
        {
            "id": 1,
            "active": true,
            "normal_voltage_range": [-21.3, 21.0],
            "automatic_threshold": true,
            "threshold": 0.0,
            "hysteresis": 2.0,
            "events_per_revolution": 1,
            "record_output": "none", // or speed
            "two_ma_clamp": true,
            "alert_latching": false,
            "overspeed_latching": false
        },        
        {
            "id": 2,
            "active": true,
            "normal_voltage_range": [-21.3, 21.0],
            "automatic_threshold": true,
            "threshold": 0.0,
            "hysteresis": 2.0,
            "events_per_revolution": 1,
            "record_output": "none", // or speed
            "two_ma_clamp": true,
            "alert_latching": false,
            "overspeed_latching": false
        },
        {
            "id": 3,
            "active": true,
            "normal_voltage_range": [-21.3, 21.0],
            "automatic_threshold": true,
            "threshold": 0.0,
            "hysteresis": 2.0,
            "events_per_revolution": 1,
            "record_output": "none", // or speed
            "two_ma_clamp": true,
            "alert_latching": false,
            "overspeed_latching": false
        },
        {
            "id": 4,
            "active": true,
            "normal_voltage_range": [-21.3, 21.0],
            "automatic_threshold": true,
            "threshold": 0.0,
            "hysteresis": 2.0,
            "events_per_revolution": 1,
            "record_output": "none", // or speed
            "two_ma_clamp": true,
            "alert_latching": false,
            "overspeed_latching": false
        }
    ]
}