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FC4A-J2A1 데이터시트(PDF) 9 Page - List of Unclassifed Manufacturers |
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FC4A-J2A1 데이터시트(HTML) 9 Page - List of Unclassifed Manufacturers |
9 / 29 page MicroSmart Series 16 Programmable Logic Controllers Communication Modules AS-Interface Module AS-Interface Master Module Appearance Part Number Description FC4A-AS62M MicroSmart AS-Interface Master Module The Actuator Sensor-interface (AS-Interface) is the simplest and most cost-ef- fective of the PLC-based , industrial-networking protocols. AS-Interface is a truly open, low-cost electromechanical connection system designed to operate over a two-wire cable carrying data and power over a distance of up to 100m. It is especially suitable for lower levels of plant automation where simple - often binary (On/Off) - field devices such as switches, sensors, and actuators need to interoperate in a local area automation network controlled by a PLC. IDEC sup- ports this open technology. IDEC offers a plug-in AS-Interface master module (as well as other AS-Interface devices, please see AS-Interface Communication section) that is easy to config- ure; it can also connect up to 62 slaves. With this technology, you’ll reduce the amount of engineering needed, simplify wiring and enhance your operations; requiring less maintenance. With an average cost of savings of 15 to 40% compared with traditional cabling methods, using an IDEC AS-Interface module is the easy choice. Master-Slave Principle The AS-Interface master controls and monitors the status of slave devices con- nected to the AS-Interface bus. Normally, the AS-Interface master is connected to a PLC (sometimes called ‘host’) or a gateway. Various types of slave devices can be connected to the AS-Interface bus, includ- ing sensors, actuators, and remote I/O devices. Analog slaves can also be con- nected to process analog data. Slaves are available in standard slaves and A/B slaves. Standard slaves have an address of 1 through 31 in the standard address range. A/B slaves have an address of 1A through 31A in the standard address range or 1B through 31B in the expanded address range. Among the A/B slaves, slaves with an address of 1A through 31A are called A slaves, and slaves with an address of 1B through 31B are called B slaves. (see AS-Interface Communication section for more details) Controller Master Master call A-Slaves Master call B-Slaves Slave answer A-Slaves Slave answer B-Slaves Slave 1A Slave 2A Slave 31A Slave 1B Slave 2B Slave 1A Slave 2A Slave 31A Slave 1B Slave 2B |
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