1756-LSC8XIB8I/A 是 Allen-Bradley(罗克韦尔自动化)生产的 ControlLogix 系列的低速计数器模块。这个模块具有 8 个输入点和 8 个计数器,支持 24V 高速 DC 隔离输入。它具备标准输入或计数器控制功能,每个计数器都是独立隔离的,最大计数频率可达 40 kHz。模块的计数范围是 0 到 2,147,483,648(31 位计数器)。
该模块需要与 1756-TBS6H 或 1756-TBCH 可拆卸接线盒(RTB)配合使用,以连接到兼容的 ControlLogix 机箱。1756-LSC8XIB8I 模块的工作电压范围是 10 至 30 伏 DC,标称输入电压为 24 伏 DC。在 5.1V DC 时的电流消耗为 275 mA,在 24V DC 时的电流消耗为 3 mA。背板总功率为 1.47W,关断状态下最大电压为 5V,最大电流为 1.5 mA。导通状态下电流范围从 10V DC 时的最小 2 mA 到 30V DC 时的 5 mA。此外,模块还具有 250V 的连续隔离电压,并通过了 1500V 交流电 60 秒输入到输入和 2300V 交流电 60 秒输入到背板的类型测试。热耗散为 12.97 BTU/hr,螺钉至背板输入的延迟时间(从关到开,反之亦然)为 14 μs 标称值/23 μs 最大值+用户可配置的 0 至 30,000 μs 滤波时间。工作温度范围为 0 至 60 摄氏度,非工作温度范围为 -40 至 85 摄氏度。在 10 至 500 Hz 时的振动为 2 g,工作冲击为 30g,非工作冲击为 50g
The 1756-LSC8XIB8I/A is a low-speed counter module in the ControlLogix series manufactured by Allen-Bradley (Rockwell Automation). This module has 8 input points and 8 counters and supports 24V high-speed DC isolated inputs. It has standard input or counter control, each counter is independent and isolated, and the maximum count frequency is up to 40 kHz. The counting range of the module is 0 to 2,147,483,648 (31-bit counter).
The module needs to be used with a 1756-TBS6H or 1756-TBCH detachable junction box (RTB) to connect to a compatible ControlLogix chassis. The 1756-LSC8XIB8I module operates in a voltage range of 10 to 30 volts DC, with a nominal input voltage of 24 volts DC. The current consumption is 275 mA at 5.1V DC and 3 mA at 24V DC. The total power of the backplane is 1.47W, the maximum voltage is 5V and the maximum current is 1.5mA when the backplane is turned off. The current in the on-state ranges from a minimum of 2 mA at 10V DC to 5 mA at 30V DC. In addition, the module has a continuous isolation voltage of 250V and has passed type tests of 1500V AC 60 seconds input to input and 2300V AC 60 seconds input to backplane. The heat dissipation is 12.97 BTU/hr, and the delay time from screw to backplane input (from off to on and vice versa) is 14 μs nominal value /23 μs maximum + user-configurable filtering time of 0 to 30,000 μs. The operating temperature range is 0 to 60 degrees Celsius and the non-operating temperature range is -40 to 85 degrees Celsius. The vibration at 10 to 500 Hz is 2 g, the working shock is 30g, and the non-working shock is 50g
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