{
    "card_type": 2,
    "chan": [
        {
            "active": true,
            "alert_latching": false,
            "alert_response_time": 0,
            "danger_response_time": 1073741823,
            "events_per_revolution": 1,
            "hysteresis": 0,
            "id": 1,
            "normal_latching": false,
            "normal_voltage_range": [
                0,
                0
            ],
            "overspeed_latching": false,
            "record_output": "不输出",
            "threshold": 0,
            "two_ma_clamp": true
        },
        {
            "active": true,
            "alert_latching": false,
            "alert_response_time": 0,
            "danger_response_time": 2,
            "events_per_revolution": 1,
            "hysteresis": 0,
            "id": 2,
            "normal_latching": false,
            "normal_voltage_range": [
                0,
                99.98999786376953
            ],
            "overspeed_latching": false,
            "record_output": "不输出",
            "threshold": 0,
            "two_ma_clamp": false
        },
        {
            "active": true,
            "alert_latching": false,
            "alert_response_time": 0,
            "danger_response_time": 0,
            "events_per_revolution": 1,
            "hysteresis": 0,
            "id": 3,
            "normal_latching": false,
            "normal_voltage_range": [
                0,
                0
            ],
            "overspeed_latching": false,
            "record_output": "不输出",
            "threshold": 0,
            "two_ma_clamp": false
        },
        {
            "active": false,
            "alert_latching": false,
            "alert_response_time": 0,
            "danger_response_time": 0,
            "events_per_revolution": 1,
            "hysteresis": 0,
            "id": 4,
            "normal_latching": false,
            "normal_voltage_range": [
                0,
                0
            ],
            "overspeed_latching": false,
            "record_output": "不输出",
            "threshold": 0,
            "two_ma_clamp": false
        }
    ],
    "slot": 8,
    "version": 1
}