1756-CFM 具有外部 I/O 设备之间的插槽
【产品详情】
制造者 | 罗克韦尔自动化 |
品牌 | 艾伦-布拉德利 |
零件号/目录号 | 1756-CFM |
系列 | ControlLogix |
输入 | 2 个流量计输入,2 个浇口输入 |
操作模式 | 累加器填充和证明 |
Allen-Bradley 的 1756-CFM ControlLogix 可配置流量计是位于 ControlLogix 机箱上的一个模块,带有一个用于连接 LogixController 和外部 I/O 设备之间的插槽。它有 4 个输入(2 个流量计和 2 个栅极输入),在 24V DC 和最大输入频率为 100 KHz 时,IEC 认证的额定电流在 6 至 30mA 之间。它的流量计输入电压范围为 +/- 30V DC,可选输入阈值为 50mV、1.3V 和 4V,阻抗为 5kΩ。
1756-CFM 具有两个电流源(IEC 1A、24V DC)输出,输出额定值为 4.5-5.5V DC(每点 3-20 mA 负载)和 10-31.2V DC(每点 40mA 至 1A 负载)。输出具有 2A 的浪涌电流,持续 50ms,每 2s 重新固化一次,在 31.2V 时具有 <300μA 的 OFF 状态电流泄漏。其输出开关时间为 1ms,过载电流为 4A,可提供短路保护。1756-CFM 在 5.1V DC 时的背板电流为 300mA,在 24V DC 时为 6mA,最大功耗为 6W (20.4 BTU/hr)。其工作温度范围为 0 至 60°C(32 至 140°F),非冷凝相对湿度限制为 5-95%,可承受高达 30G 的操作冲击。
1756-CFM 具有外部 I/O 设备之间的插槽
【英文介绍】
Allen-Bradley's 1756-CFM ControlLogix Configurable flowmeter is a module located on the ControlLogix chassis with a slot for connecting the LogixController and external I/O devices. It has 4 inputs (2 flowmeters and 2 gate inputs) and an IEC certified current rating of between 6 and 30mA at 24V DC and a maximum input frequency of 100 KHz. It has a flow meter input voltage range of +/- 30V DC, optional input thresholds of 50mV, 1.3V and 4V, and an impedance of 5kΩ.
The 1756-CFM has two current source (IEC 1A, 24V DC) outputs with output ratings of 4.5-5.5V DC (3-20 mA load per point) and 10-31.2V DC (40mA to 1A load per point). The output has a surge current of 2A, lasts for 50ms, recures every 2s, and has an OFF state current leak of <300μA at 31.2V. Its output switching time is 1ms, overload current is 4A, can provide short circuit protection. The 1756-CFM has a backplane current of 300mA at 5.1V DC and 6mA at 24V DC, with a maximum power consumption of 6W (20.4 BTU/hr). It operates in a temperature range of 0 to 60°C (32 to 140°F) with a non-condensing relative humidity limit of 5-95% and can withstand operating shocks of up to 30G.
1756-CFM 具有外部 I/O 设备之间的插槽
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