1756-L62 Allen-Bradley is a ControlLogix controller. 1756-L62 contains 4 MB of user memory and 478 kb of I / O memory. An optional non-volatile memory store is available for the controller. If you want to use non-volatile memory, you can only use the 128 MB CompactFlash 1784-CF128, which is sold separately. The 1756-L62 Allen-Bradley controller is only compatible with some 1756 chassis, that is, 1756-A4, 1756-A7, 1756- A10, 1756-A13 and 1756-A17. There are two types of 1756-L62, series A and series B.
The 1756-L62 has three main controller tasks, each task specifically 100 items, 32 tasks and event tasks: all triggers. The 1756-L62 also has a built-in RS-132 serial port, allowing access to multiple communication options. These available communication options include remote I / O, ControlNet, SynchLink, EtherNet / IP, third-party process and device networks, Data Highway Plus, and DeviceNet. 1756-L62 serial port communication includes DH-485, DF1 wireless modem, DF1 full / half duplex, Modbus and ASCII via logic. It can support up to 250 controller connections and also fully supports controller redundancy.
The controller has a maximum total I / O of 128,000, a maximum analog I / O of 4000, and a maximum digital I / O of 128,000. Its current consumption is 14 mA at 24V DC and 1200 mA at 5.1V DC. The 1756-L62 has an isolation voltage of 30V (continuous) and has been type tested for 60s at 720V DC. The 1756-L62 has a heat dissipation of 11.9 BTU / hour and a power consumption of 3.5W. The 1756-L62 has a storage temperature range of -40 to 85 degrees Celsius and an operating temperature of 0 to 60 degrees Celsius. It also has a non-condensing relative humidity of 5% to 95% and an upper ambient temperature of 60 degrees Celsius. The 1756-L62 has a vibration of 2 g at 10 to 500 Hz, an operating shock of 30 g, and a non-operation shock of 50 g.
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